Nilfisk Terra 28B Industrial Floor Sweeper Instruction Manual

Terra 28B Industrial Floor Sweeper
Instruction Manual Advance Model: 908 4702 010

INTRODUCTION

NOTE
The numbers in brackets refer to the components shown in Machine Description chapter.
MANUAL PURPOSE AND CONTENTS
The purpose of this Manual is to provide the operator with all necessary information to use the machine properly, in a safe and autonomous way. It contains information about technical data, safety, operation, storage, maintenance, spare parts and disposal.
Before carrying out any procedure on the machine, the operators and qualifi ed technicians must read this Manual carefully.
Contact Nilfi sk-Advance in case of doubts regarding the interpretation of the instructions and for any further information.
TARGET
This Manual is intended for operators and technicians qualifi ed to perform the machine maintenance.
The operators must not carry out procedures reserved for qualifi ed technicians. Nilfi sk-Advance will not be responsible for damages coming from the non-observance of this prohibition.
HOW TO KEEP THIS MANUAL
The Instructions for use Manual must be kept near the machine, inside an adequate case, away from liquids and other substances that can cause damage to it.
IDENTIFICATION DATA
The machine model and serial number are marked on the plate (33).
The machine model year is shown after the Date Code on the serial plate (A07 means January 2007).
This information is useful when requiring machine spare parts. Use the following table to write down the machine identifi cation data.
MACHINE model …………………………
MACHINE serial number ………………
OTHER REFERENCE MANUALS

• Spare Parts List (supplied with the machine)
• Service Manual (that can be consulted at Nilfi sk-Advance Service Centers)

SPARE PARTS AND MAINTENANCE
All necessary operating, maintenance and repair procedures must be carried out by qualifi ed personnel or by Nilfi sk-Advance Service Centers. Only original spare parts and accessories must be used.
Contact Nilfi sk-Advance for service or to order spare parts and accessories, specifying the machine model and serial number.
CHANGES AND IMPROVEMENTS
Nilfi sk-Advance constantly improves its products and reserves the right to make changes and improvements at its discretion without being obliged to apply such benefi ts to the machines that were sold previously.
Any change and/or addition of accessory must be approved and performed by Nilfi sk-Advance.
OPERATION CAPABILITIES
This sweeper has been designed and built to clean (by sweeping and vacuuming) smooth and solid fl oors, in civil and industrial environments and to collect dust and light debris under safe operation conditions by a qualifi ed operator.
CONVENTIONS
Forward, backward, front, rear, left or right are intended with reference to the operator’s position, that is to say with the hands on the handlebar (6).

UNPACKING/DELIVERY

When the machine is delivered, check that the packing and the machine were not damaged during transportation. In case of visible damages, keep the packing and have it checked by the Carrier that delivered it. Call the Carrier immediately to fi ll in a damage claim.
Check that the machine is equipped with the following features:
Technical documents:

• Sweeper Instructions for use Manual
• Sweeper Spare Parts List
• No. 1 vacuum system motor fuse

SAFETY

The following symbols indicate potentially dangerous situations. Always read this information carefully and take all necessary precautions to safeguard people and property.
The operator’s cooperation is essential in order to prevent injury. No accident prevention program is effective without the total cooperation of the person responsible for the machine operation. Most of the accidents that may occur in a factory, while working or moving around, are caused by failure to comply with the simplest rules for exercising prudence. A careful and prudenoperator is the best guarantee against accidents and is essential for successful completion of any prevention program.
SYMBOLS
DANGER!
It indicates a dangerous situation with risk of death for the operator.
WARNING!
It indicates a potential risk of injury for people.
CAUTION!
It indicates a caution or a remark related to important or useful functions.
Pay particular attention to the paragraphs marked by this symbol.
NOTE
It indicates a caution or a remark related to important or useful functions.
CONSULTATION
It indicates the necessity to refer to the Instructions for use Manual before performing any procedure.
GENERAL INSTRUCTIONS
Specifi c warnings and cautions to inform about potential damages to people and machine are shown below.
DANGER!

• Before performing any maintenance/repair procedure, turn the main switch to “0” and, if necessary, disconnect the battery.
• This machine must be used by properly trained and authorised personnel only. Children or disabled people cannot use this machine.
• Keep the battery away from sparks, fl ames and incandescent material.
• Do not wear jewelry when working near electrical components.
• Do not work under the lifted machine without supporting it with safety stands.
• Do not operate the machine near toxic, dangerous, fl ammable and/or explosive powders, liquids or vapors.

WARNING!

• Before using the battery charger, ensure that frequency and voltage values, indicated on the machine serial number plate, match the electrical mains voltage.
• Do not pull or carry the machine by the battery charger cable and never use the battery charger cable as a handle. Do not close a door on the battery charger cable, or pull the battery charger cable around sharp edges or corners. Do not run the machine on the battery charger cable.
• Keep the battery charger cable away from heated surfaces.
• Do not charge the batteries if the battery charger cable or the plug are damaged. If the battery charger cable is damaged, contact Nilfi sk-Advance Service Center.
• To reduce the risk of fi re, electric shock, or injury, do not leave the machine unattended when it is plugged in. Before performing any maintenance procedure, disconnect the battery charger cable from the electrical mains.
• If the machine is not working as it should, has been damaged, left outdoors or dropped into water, return it to Nilfi sk-Advance Service Center.
• Do not smoke while charging the batteries.
• Always protect the machine against the sun, rain and bad weather, both under operation and inactivity condition. Store the machine indoors, in a dry place.
• Do not allow to be used as a toy. Close attention is necessary when used near children.
• Use only as shown in this Manual. Use only Nilfi sk-Advance’s recommended accessories.
• Take all necessary precautions to prevent hair, jewelry and loose clothes from being caught by the machine moving parts.
• Do not leave the machine unattended if the main switch is not turned to “0” and without being sure that it cannot move independently.
• Do not use the machine on slopes with a gradient exceeding the specifi cations.
• Do not wash the machine with direct or pressurised water jets, or with corrosive substances. Do not use compressed air to clean this type of machine.
• While using this machine take care not to cause harm to other people, and children especially.
• The machine storage temperature must be between +32°F and +104°F (0°C and +40°C).
• The machine working temperature must be between +32°F and +104°F (0°C and +40°C).
• The humidity must be between 30% and 95%.
• Do not use the machine as a means of transport.
• Do not use the machine on slopes with a gradient exceeding the specifi cations.
• Do not allow the brooms to operate while the machine is stationary to avoid damaging the fl oor.
• In case of fi re, possibly use a powder fi re extinguisher, not a water one.
• Do not bump into shelves or scaffoldings, especially where there is a risk of falling objects.
• Adjust the operation speed to suit the fl oor conditions.
• This machine cannot be used on roads or public streets.
• Do not remove or modify the plates affi xed to the machine.
• Do not tamper with the machine safety guards and follow the ordinary maintenance instructions scrupulously.
• If the machine is used according to the instructions, the vibrations are not dangerous. The machine vibration level is less than 98.4 in/s2 (2.5 m/s2) (98/37/EEC-EN 1033/1995).
• Use only brooms supplied with the machine and those specifi ed in the Instructions for use Manual.
• Using other brooms could reduce safety.
• In case of machine malfunctions, ensure that these are not due to lack of maintenance. Otherwise, request assistance from the authorised personnel or from an authorised Service Center.
• Carefully read all the instructions before carrying out any maintenance/repair procedure.
• To ensure machine proper and safe operation, the scheduled maintenance shown in the relevant chapter of this Manual must be performed by the authorised personnel or by an authorised Service Center.
• If parts must be replaced, require ORIGINAL spare parts from a Dealer or Authorised Retailer.
• The machine must be disposed of properly, because of the presence of toxic-harmful materials (batteries, plastics, etc.), which are subject to standards that require disposal in special centers (see the Scrapping chapter).

MACHINE DESCRIPTION

MACHINE STRUCTURE AND CONTROLS

1. Main switch for vacuum system, main broom and side broom activation
2. Charged battery warning light (green)
3. Semi-discharged battery warning light (yellow)
4. Discharged battery warning light (red)
5. Drive control lever
6. Handlebar
7. Handlebar adjusting knobs
8. Filter shaker knob
9. Hopper
10. Front steering wheel
11. Side broom
12. Side broom lifting/lowering lever
13. Side broom height adjusting knob
14. Main broom
15. Main broom height adjusting knobs
16. Rear driving wheels
17. Can holder
18. Battery charger cable
19. Battery charger cable housing
20. Side broom motor circuit breaker
21. Main motor circuit breaker
22. Battery
23. Dust fi lter
24. Side broom motor
25. Main motor
26. Drive system gear
27. Vacuum fan
28. Battery charger
29. Vacuum system motor lamellar fuse (7.5 A)
30. Hood
31. Hopper upper handle
32. Hopper lower handles
33. Serial number plate/technical data
34. Side skirts
35. Front skirt
36. Rear skirt
37. Drive system belt adjuster

MACHINE STRUCTURE AND CONTROLS – DESCRIPTION
Main switch for vacuum system, main broom and side broom activation (1) – When turned to “0” the machine is off; when turned to “I” the vacuum system and main broom are turned on; when turned to “II”, the vacuum system, main broom and side broom are turned on.
Green warning light (2) – When it is on and the machine is running, it indicates that the batteries are charged. Residual autonomy depends on battery capacity and working conditions. When it is on and the batteries are charging, it means that the
charging cycle has been completed and the batteries are charged.
Yellow warning light (3) – When it is on and the machine is running, it indicates that the batteries are semi-discharged.
Residual autonomy is 10 minutes approximately. When it is on and the batteries are charging, it means that the charging cycle is nearly completed and the batteries are nearly charged.
Red warning light (4) – When it is on and the machine is running, it indicates that the batteries are discharged. The autonomy is over, the batteries must be recharged (see the procedure in the relevant paragraph). When it is on and the batteries are charging, it means that the charging cycle is in progress.
Drive control lever (5) – When pulling it gradually towards the handlebar, the machine starts. Drive speed is increased by pulling the lever further.
Handlebar (6) – Grasp it and use it to manoeuver the machine.
Handlebar adjusting knobs (7) – Loosen the knobs and adjust the handlebar tilting, then tighten the knobs.
Filter shaker knob (8) – By moving it to right and then to the left several times, the fi lter is shaken; perform this procedure periodically while sweeping in order to keep the vacuum system effi cient. Before turning on the fi lter shaker, stop the machine and turn the main switch (1) to “0”.
Hopper (9) – It collects swept and vacuumed debris. When it is full, it must be emptied according to the procedure shown in Use chapter. When the hopper is removed, all machine functions are disabled.
Front caster wheel (10) – It allows the machine to turn.
Side broom (11) – It removes dust and debris on the machine front right end side (along footpaths, walls, etc.) and it conveys it toward the main broom.
Side broom lifting/lowering lever (12) – Disengage it from the slot, then push it forward to lower the side broom and pull it backwards to lift it.
Side broom height adjusting knob (13) – It adjusts the side broom height from the ground (see the procedure in the Maintenance chapter).
Main broom (14) – It removes and collects dust and debris, which are then vacuumed into the hopper.
Main broom height adjusting knobs (15) – They adjust the main broom height from the ground (see the procedure in the Maintenance chapter).
Rear driving wheels (16) – They push the machine forward while sweeping.
Can holder (17) – Compartments to store a can or small objects.
Battery charger cable (18) – It is used to charge the batteries (see the procedure in the Maintenance chapter).
Battery charger cable housing (19) – Store the battery charger cable in this compartment when not in use.
Side broom motor circuit breaker (20) – It activates to protect the side broom motor in case of overload. If the circuit breaker activates, wait for the motor to cool down, then reset the circuit breaker by pushing it inward, until the end-of-stroke.
30 A main motor circuit breaker (21) – It activates to protect the main motor in case of overload. If the circuit breaker activates, wait for the motor to cool down, then reset the circuit breaker by pushing it inward, until the end- of-stroke.
Batteries (22) – They supply current for machine operation. The batteries are GEL type, without liquid electrolyte and do not require maintenance.
Dust fi lter (23) – It retains swept and vacuumed dust and it allows the air to pass. While sweeping it is necessary to move the fi lter shaker knob (8) periodically to remove the dust deposits on the fi lter, thus granting the vacuum system effi ciency.
Side broom motor (24) – It drives the side broom.
Main motor (25) – It drives the main broom and the drive system.
Drive system gear (26) – It supplies the drive force to the wheels.
Vacuum fan (27) – It vacuums dust and debris from the ground.
Battery charger (28) – It charges the batteries (see the procedure in the Maintenance chapter).
7.5 A vacuum system motor lamellar fuse (29) – It opens to protect the vacuum system motor in case of overload. If there is an open, the fuse must be replaced by the authorised personnel.
Hood (30) – It protects the inner components of the machine.
Hopper handles (31) and (32) – These allow to grasp the hopper and handle it.
Serial number plate/technical data/conformity certifi cation (33) – It contains the machine data.
Side, front and rear skirts (34), (35), (36) – They increase the vacuuming effect for dust and debris collection.

ACCESSORIES/OPTIONS
In addition to the standard components, the machine can be equipped with the following accessories/options, according to the machine specifi c use.
NOTE
For further information concerning the optional accessories, contact an authorised Dealer.
TECHNICAL DATA

Machine size with folded handlebar and without side broom (Length x Width x Height)| 39.3 x 31.4 x 24.4 in
(998 x 797 x 501 mm)
Minimum height from the ground (skirts not included)| 1.0 in (25 mm)
Main broom size (diameter x length)| 7.9 x 19.7 in (200 x 500 mm)
Side broom diameter| 12.4 in (315 mm)
Main broom speed| 335 rpm
Side broom speed| 100 rpm
Gradeability| 2%
Hopper capacity| 15.8 US Gal (60 litres)
Total machine weight (with standard battery)| 172 lbs (78 kg)
Front steering wheel size (diameter x length)| 3.0 x 1.3 in (75 x 32 mm)
Rear wheel size (diameter x length)| 11.8 x 1.8 in (300 x 45 mm)
Maximum drive speed| 2.3 mph (3.7 km/h)
Sound pressure level at the operator’s hear (A Lpa)| 59.3 dB(A)
Electrical components| Values
Electrical system voltage| 12 V
Standard battery| GEL, 12 V, 80 Ah
Battery charger| 6:00 AM
Main motor| 200 W, 1,500 rpm
Side broom motor| 40 W
Vacuum system motor| 50 W
Dust vacuuming and fi ltering| Values
Dust fi lter| 5–10 μm (polyester)
Dust fi lter surface| 10.8 ft² (1 m²)
Main broom compartment vacuum| 0.47 in H₂O (12 mm H₂O)

WIRING DIAGRAM

Colour code

USE

WARNING!
On some points of the machine there are some adhesive plates indicating:

• DANGER
• WARNING
• CAUTION
• NOTE

While reading this Manual, the operator must pay particular attention to the symbols shown on the plates.
Do not cover these plates for any reason and immediately replace them if they are damaged.
BATTERY CHECK ON A NEW MACHINE
The machine is supplied with a standard 12 V, 77 Ah GEL battery (which does not require maintenance).
BEFORE MACHINE START-UP

1. Make sure that there are no open doors/hoods and that the machine is in normal operating conditions.
2. If the machine has not been used after being transported, check that all the blocks used for the transportation have been removed.
3. Check that side and main broom are installed, otherwise install them (see the procedure in the Maintenance chapter).

STARTING AND STOPPING THE MACHINE
Starting the machine

1. Adjust the handlebar (6) to reach a comfortable position, by loosening the knobs (7). When the adjustment is completed, tighten the knobs.

2. To use the main broom only (14), turn the main switch (1) to “I”.
   To use also the side broom (11), turn the main switch (1) to “II”, then lower the side broom by disengaging the lever (12) and by pushing it forward.
   Check that the green warning light (2) (charged battery) turns on.
   If the yellow or red warning light (3 or 4) turns on, turn the main switch (1) back to “0” and charge the batteries (see the procedure in the Maintenance chapter).
   NOTE
   The side broom (11) can be lifted and lowered even if it is turned on.

3. Start sweeping by grasping the handlebar (6) and pulling the drive control lever (5) gradually.

Stopping the machine

1. Release the drive control lever (5) to stop the drive system.
2. Turn off the vacuum system and the brooms, by turning the main switch (1) to “0”.
3. Lift the side broom (11) by pulling the lever (12) backwards and by engaging it into the storage slot.

MACHINE OPERATION

1. Avoid stopping for a long time with the machine in the same position and the brooms rotating: this could create unwanted marks on the fl oor.

2. For machine proper operation, the dust fi lter must be as clean as possible. Therefore the fi lter shaker must be used at regular intervals (every 10 minutes, but this interval may vary according to the fl oor conditions), according to the following procedure.
   – Stop the machine and turn the main switch (1) to “0”.
   – To shake the fi lter, move the fi lter shaker knob (8) to the right and then to the left several times.
   – Turn the main switch (1) to “I” or to “II” and start sweeping again.
   NOTE
   When the dust fi lter is clogged, the machine cannot collect dust and debris anymore.
   CAUTION!
   Do not work on wet fl oors to prevent the dust fi lter from being damaged.

3. The hopper (9) should be emptied after each working cycle and whenever it is full.
   NOTE
   When the hopper is full, the machine cannot collect dust and debris anymore.

HOPPER EMPTYING
Stop the machine and turn the main switch (1) to “0”.
Remove the hopper (9) by using the handles (31) and (32), then empty it at the waste collection center.
Then install the hopper.
The machine is ready to start working again.
NOTE
When the hopper is removed, all machine functions are disabled.
AFTER MACHINE USE
After working, before leaving the machine:

1. Turn the main switch (1) to “0”.
2. Clean the fi lter by using the fi lter shaker (8).
3. Empty the hopper (9) (see the procedure in the previous paragraph).
4. Lift the side broom (11) by pulling the lever (12) backwards and by engaging it to the fastener.
5. Make sure that the machine cannot move independently.
6. Charge the batteries (see the procedure in the Maintenance chapter).

MACHINE LONG INACTIVITY
If the machine is not going to be used for more than 30 days, proceed as follows:

1. Perform the daily maintenance procedures (see the Maintenance chapter).
2. Check that the machine storage area is dry and clean.
3. Slightly lift the machine so that the skirts, the main broom and the wheels do not touch the ground.

FIRST PERIOD OF USE
After the fi rst 8 hours, check the machine fastening and connecting parts for proper tightening and check the visible parts for integrity and leakage.

MAINTENANCE

The lifespan of the machine and its maximum operating safety are ensured by correct and regular maintenance.
The following table provides the scheduled maintenance. The intervals shown may vary according to particular working conditions, which are to be defi ned by the person in charge of the maintenance.
WARNING!
To carry out maintenance procedures, the machine must be off and, if necessary, the batteries must be disconnected.
Moreover, carefully read the instructions in the Safety paragraph.
All scheduled or extraordinary maintenance procedures must be performed by qualifi ed personnel, or by an authorised Service Center.
This Manual describes only the easiest and most common maintenance procedures.
NOTE
For other maintenance procedures shown in the Scheduled Maintenance Table, refer to the Service Manual that can be consulted at any Service Center.
SCHEDULED MAINTENANCE TABLE

(*): For the relevant procedure, see the Service Manual.
(1): And after the fi rst 8 hours.
BATTERY CHARGER CABLE CHECK
Carefully check the battery charger cable (18) and the relevant plug for wear, cuts, cracks or other damages.
If the battery charger cable or the relevant plug is damaged, contact the Nilfi sk-Advance Service Center.

SIDE BROOM HEIGHT CHECK AND ADJUSTMENT

1. Check that the side broom is at the correct height from the ground, according to the following procedure:
   ♦ Drive the machine on a level ground and lower the side broom.
   ♦ Keep the machine stationary and turn on the side broom for a few seconds.
   ♦ Turn off the side broom by pressing the switch (1), then lift it and move the machine.
   ♦ Check if the size and orientation of the print left by the side broom are as shown in the fi gure (A, Fig. 1): the side broom must touch the ground along a circle arc ranging from “10 o’clock” position to “3 o’clock” position.♦ If the print is not within specifi cations, it is necessary to adjust the broom height, according to the procedure shown in step 2.

2. Turn the knob (13) clockwise or counter-clockwise to adjust the broom height up or down.

3. Perform step 1 again to check that the side broom is at the correct height from the ground.

4. When the broom is too worn and can no longer be adjusted, replace it according to the procedure shown in the following paragraph.

SIDE BROOM DISASSEMBLY/ASSEMBLY
CAUTION!
It is advisable to use protective gloves when replacing the side broom because there can be sharp debris between the bristles.

1. Drive the machine on a level ground.
2. Turn the main switch (1) to “0”.
3. Lift the side broom.
4. Loosen the knob (A, Fig. 2) inside the side broom, then remove the broom (B) by disengaging it from the pins (C).
5. Install the new broom on the machine engaging it on the pins (C), then tighten the knob (A).
6. Adjust the height of the new broom according to the procedure shown in the previous paragraph.

MAIN BROOM HEIGHT CHECK AND ADJUSTMENT

1. Check that the main broom is at the correct height from the ground, according to the following procedure:
   ♦ Drive the machine on a level ground.
   ♦ Keep the machine stationary and turn on the main broom for a few seconds.
   ♦ Turn off the main broom by pressing the switch (1), then move the machine.
   ♦ Check that the main broom print (A, Fig. 3), along its length, is 1.2-2 in (3-5 cm) wide.♦ If the print is not within specifi cations, it is necessary to adjust the broom height, according to the procedure shown in step 2.

2. Turn the main switch (1) to “0”.

3. On both sides of the machine, loosen the knob (A, Fig. 4).

4. Grasp the support (B) on the points (C) and move it upwards, then lift it or lower it to change the main broom height. For height variation, refer to the indicator (D).
   Then tighten the knob (A) on both sides of the machine.

5. Perform step 1 again to check that the main broom is at the correct height from the ground.

6. When the broom is too worn and can no longer be adjusted, replace it according to the procedure shown in the following paragraph.

CAUTION!
An excessive print (larger than 2 in (5 cm)) of the main broom can lead to machine malfunction and overheating of moving and electric parts, thus reducing machine life. Pay careful attention when performing the above- mentioned checks, and always use the machine according to the indicated conditions.
MAIN BROOM DISASSEMBLY/ASSEMBLY
CAUTION!
It is advisable to use protective gloves when replacing the main broom because there can be sharp debris between the bristles.

1. Drive the machine on a level ground.
2. Turn the main switch (1) to “0”.
3. Remove the hopper (9).
4. Loosen the handwheels (A, Fig. 5) completely on the left side of the machine.
5. Remove the lid (A, Fig. 6) by grasping it on the points (B).
6. Grasp the main broom (A, Fig. 7) on the points (B) and (C), then disconnect it from the drive hub (D) by pulling it in the direction shown by the arrow (E); then remove it in the direction shown by the arrow (F).
7. Install the new broom by performing steps 3 to 6 in the reverse order.
8. Adjust the height of the new broom according to the procedure shown on the previous page.

DUST FILTER CLEANING AND INTEGRITY CHECK, HOPPER GASKET CHECK

1. Drive the machine on a level ground.

2. Turn the main switch (1) to “0”.

3. Remove the hopper (9).

4. Loosen the knobs (A, Fig. 8).

5. Grasp the dust fi lter (B) as shown in the figure.

6. Remove the dust fi lter by turning it in the direction shown by the arrow (A, Fig. 9) to disengage it from the pins (B), then lower the fi lter to disengage it from the fi lter shaker combs (C).

7. Remove the fi lter (A, Fig. 10) from the frame (B) by disengaging the 2 rubber bands (C).

8. In an appropriate outdoor area, clean the fi lter by shaking it on a level and clean surface, tapping the side (D) opposite to the gasket (E).
   Complete the cleaning procedure by using compressed air (F) at maximum 87.0 psi (6 Bars), blowing only from the side of the gasket (E), at a minimum distance of 11.8 in (30 cm).
   Do not use water or detergents to clean it, otherwise it can be damaged.
   Check the fi lter body for tears. If necessary, replace it.

9. Clean the bearing surface of the fi lter rubber gasket (E) and check it for integrity and sealing capabilities. If necessary, replace the fi lter.

10. Clean the bearing surface of the hopper gasket (D, Fig. 9) and check it for integrity and sealing capabilities. If necessary, replace it.

11. Assemble in the reverse order of disassembly.

NOTE
Assemble the fi lter with the gasket (E, Fig. 10) positioned as shown in the figure.
SKIRT HEIGHT AND OPERATION CHECK

1. Drive the machine on a level ground that is suitable for checking the skirt height.
2. Turn the main switch (1) to “0”.
3. Check that the height from the ground of the side skirts (A and B, Fig. 11) is within 0 and 0.08 in (0 and 2 mm). Check the skirts for integrity, cuts or tears, which can reduce the machine vacuum capabilities. If necessary replace the side skirts (see the procedure in the Service Manual).
4. Check that the front and rear skirts (C and D, Fig. 11) slightly rub on the ground. Check the skirts for integrity, cuts or tears, which can reduce the machine vacuum capabilities. Note that the front skirt has typical vertical cuts (E). If necessary replace the front and rear skirts (see the procedure in the Service Manual).

BATTERY CHARGING

1. Drive the machine to the appointed recharging area and ensure that it cannot move independently.

2. Turn the main switch (A, Fig. 12) to “0”.

3. Remove the battery charger cable (B) from the housing (C) and connect it to the electrical mains.
   CAUTION!
   Before connecting the battery charger (B), ensure that frequency and voltage values, indicated on the machine serial number plate (33), match the electrical mains voltage. In case of doubt, do not connect the plug to the electrical mains, but contact the qualifi ed personnel.

4. While charging the batteries, the red warning light (D) and the yellow warning light (E) turn on in sequence. When the green warning light (F) turns on, the batteries are charged.

5. Disconnect the battery charger cable (B) from the electrical mains and place it in the housing (C).

NOTE
When the battery charger is connected to the electrical mains, all machine functions are automatically disabled.

TROUBLESHOOTING

relevant button.
The battery charger cable is connected to the electrical mains.| Disconnect it and place it in the housing.
The batteries are discharged.| Charge the batteries.
The side broom does not operate.| There is an open in a breaker (20).| Reset the breaker by pressing the relevant button.
The machine operates only when stationary, otherwise it turns off and the red warning light flashes.| The batteries are discharged.| Charge the batteries. If the trouble persists, have the batteries replaced at NilfiskAdvance Service Center.
The battery autonomy is low.| The batteries are dead.| Have the batteries replaced at NilfiskAdvance Service Center.
The batteries do not charge: the red warning light (4) does not turn on when the plug is inserted in the electrical mains socket.| There is no power supply at the electrical mains socket.| Check the electrical mains socket by trying to connect another domestic appliance.

For further information, refer to the Service Manual, available at any Nilfi sk-Advance Service Center.

SCRAPPING

Have the machine scrapped by a qualifi ed scrapper.
Before scrapping the machine, remove and separate the following materials, which must be disposed of properly according to the Law in force:

• Battery
• Brooms
• Plastic hoses and components
• Electrical and electronic components (*)

(*) Refer to the nearest Nilfi sk-Advance Center especially when scrapping electrical and electronic components.

146 3081 000(2)2007-06
Terra™ 28B

Documents / Resources

| Nilfisk Terra 28B Industrial Floor Sweeper [pdf] Instruction Manual
908 4702 010, Terra 28B Industrial Floor Sweeper, Terra 28B, Industrial Floor Sweeper, Floor Sweeper, Sweeper
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