KARCHER SP 5 Dirt Submersible Sludge Pump Instruction Manual

: June 3, 2024
: Karcher

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SP 5 Dirt
SP 7 Dirt

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SP 5 Dirt Submersible Sludge Pump

Please read and comply with these original operating instructions and the enclosed safety instructions. Proceed accordingly. Keep both booklets for future reference or subsequent owners.

Warranty

The warranty terms published by the relevant sales company are applicable in each country. We will repair potential failures of your appliance within the warranty period free of charge, provided that such failure is caused by faulty material or defects in manufacturing. In the event of a warranty claim please contact your dealer or the nearest authorized Customer Service centre. Please submit the proof of purchase.
The adhesive-type label must not be removed from the device. Warranty is no longer granted if the label is removed.

Environmental protection

The packaging material can be recycled. Please do not place the packaging into the ordinary refuse for disposal, but arrange for the proper recycling.
Old appliances contain valuable materials that can be recycled. Please arrange for the proper recycling of old appliances. Please dispose your old appliances using appropriate collection systems.

Notes about the ingredients (REACH)
You will find current information about the ingredients at: www.kaercher.com/REACH

Description of the Appliance

Carrying handle
Power cord with plug
Lock (float switch)
Height adjustment (float switch)
Swimmer switch
Automatic venting device
Quick-Connect
Connection nozzle (1¼” hose connection and G1 thread SP 5 Dirt)
Connection nozzle (G1½ – thread SP 7 Dirt)
Pump connecting piece (1″, 1¼” and 1½” hose connection and G1½ – thread SP 7 Dirt)
Pre-filter (SP 7 Dirt)

Proper use

This appliance has been designed for use in private households and is not intended for commercial use. The manufacturer is not responsible for any damages that may occur on account of improper use or wrong operations. The device is mainly intended for draining building parts in case of flooding, but also for pumping over or out containers, for water removal from wells and shafts as well as for draining water from boats and yachts, provided that it is fresh water.

NOTICE The device is not suitable for continuous pump operation (e.g. continuous circulation in a pond) or as a stationary installation (e.g. lifting device, fountain pump).

Approved feed fluids

Fresh water up to a certain degree of soiling
Water from swimming pool (provided the dosing of additives is proper)
Washing lye
SP 5 Dirt
Water with a degree of contamination up to a grain size of 20 mm
SP 7 Dirt
Water with a degree of contamination up to a grain size of 30 mm

DANGER Risk of injury, risk of damage! Caustic, slightly inflammable and other explosive substances (such as petrol, petroleum, diluted nitrogen), greases, oils, salt water and waste water from toilets as well as sludgy water that has a slower flow capacity than water, must not be transported with this pump. The temperature of the delivered fluid must be between 5 °C and 35 °C.

Start up

NOTICE The shorter the hose length and the larger the hose diameter, the higher the pump capacity. To prevent clogging of the pump, use a prefilter with hose diameters of less than 1¼ “.

SP 5 Dirt, special accessories
SP 7 Dirt, integrated in the base

The pump connection is equipped with a plug system (Quick-Connect).
The unmounted connection nozzle (SP 5 Dirt) or the connection nozzle with pump connecting piece (SP 7 Dirt) is enclosed in the device.

IllustrationA
To remove the connection nozzle, press the Quick-Connect (grey button).

IllustrationB
(SP 5 Dirt)
Slide the hose clamp onto the hose. If a ¾” or 1″ hose is used:
Screw pump connecting piece (see special accessory) onto the connection nozzle.
Slide the hose onto the pump connecting piece and secure it by means of a hose clamp.
Slide the connection nozzle into the Quick-Connect.

NOTICE
To increase the flow volume, the pump connecting piece can be shortened according to the hose used. If a 1¼ ” hose is used:
Slide the hose onto the connection nozzle and secure by means of a hose clamp.
Slide the connection nozzle into the Quick-Connect.

IllustrationE
(SP 7 Dirt)
Screw the pump connecting piece onto the connection nozzle.
Slide the hose clamp onto the hose.
Slide the hose onto the pump connecting piece and secure it by means of a hose clamp.
Slide the connection nozzle into the Quick-Connect.

NOTICE
Hoses with a diameter of 1″, 1¼”, and 1½” can be connected to the pump connecting piece.
To increase the flow volume, the pump connecting piece can be shortened according to the hose used.

Illustration **E**
Snap the float switch into the height adjustment.
Safely place the pump on a stable surface in the feed fluid or immerse it using a rope tied to the carrying handle.

NOTICE
The suction area must not be blocked by soiling. In case of muddy ground, place the pump on a brick or the like. Ensure that the pump is level. Do not carry the pump on the cable or the hose.

Operation

DANGER
Risk of mortal danger on account of electric shock! Do not touch feed fluids, the rope attached to the carrying handle as well as objects that are in contact with the feed fluid (e.g. pipelines extending into the water, railings, etc.).

Automatic venting device

IllustrationB
With a low fluid level, possibly drawn air or air that is present in the pump escapes via the automatic venting device. In addition, fluid may leak at this spot. If the pump has suction problems with a low fluid level, unplug and plug in the mains plug repeatedly in order to support the suction process.

Automatic operation

IllustrationG
Adjust the float switch via the height adjustment and the cable length between float switch and height adjustment.

NOTICE
In the automatic mode, the float switch controls the pumping operations automatically.
The pump switches on as soon as the float switch has reached the switch-on height due to the rising fluid level. The pump switches off as soon as the float switch has reached the switch-off height due to the falling fluid level. Ensure that the float switch is not obstructed in any way. The cable between the float switch and the lock must be at least 2.5 cm long.

Switch-on height / switch-off height (float switch in the lowest position):

Min / Max	SP 5 Dirt	SP 7 Dirt
Switch-on height cm*	18 / 21 cm	20 / 24 cm
Switch-off height cm*	4 / 12 cm	6 / 15 cm

Switch-on height / switch-off height (float switch in the upmost position):

Min / Max	SP 5 Dirt	SP 7 Dirt
Switch-on height cm*	28 / 31 cm	33 / 36 cm
Switch-off height cm*	14 / 22 cm	19 / 27 cm

*The switching height can vary depending on the position of the float switch. Likewise, the cable length between the float switch and the lock can influence the switching heights. We recommend retaining the preset cable length.
Insert the mains plug into the socket.

Manual operation

IllustrationF
Secure the nose on the float switch into the opening of the lock pointing up.

NOTICE
In manual operation the pump remains switched on continuously.
In order that the pump draws independently in manual operation, the fluid level must be at least 60 mm (SP 5 Dirt) or 50 mm (SP 7 Dirt). The pump can pump up to a residual fluid height of 25 mm (SP 5 Dirt) or 35 mm (SP 7 Dirt). The stated residual fluid height is only achieved in manual operation.

Insert the mains plug into the socket.

ATTENTION
Risk of damage! Dry running leads to increased wear; never leave the pump unattended during manual operation. Switch off immediately in case of dry running.

Finish operation

NOTICE
Soiling can deposit and lead to malfunctions.
Pump clear water or thoroughly rinse the pump after every use.
This especially applies after pumping chlorinated water or other liquids that leave residue.
Disconnect the main plug from the socket.

Maintenance

The pump is maintenace-free.

Transport

CAUTION
In order to prevent accidents or injuries, keep in mind the weight of the appliance during transport (see Specifications).
Lift and carry the pump on the carrying handle.
If you want to transport the appliance on a vehicle secure it from slipping.

Storage

CAUTION
In order to prevent accidents or injuries, keep in mind the weight of the appliance when selecting a storage location for it (see Specifications).

Storing the pump

Completely drain the pump and allow it to dry.
Store the pump in a frost-free place.

Special accessories

2.997-100.0| Braided hose set| Flexible 1 1/4“ braided hose with hose clamp (30 – 40 mm) with wing
screw for a connection without tools.
Especially recommendable for the immersion pumps when removing large water
quantities.
Max. operating pressure: 5 bar
---|---|---
2.997-201.0| Prefilter for immersion pump,
small| The robust prefilter is easy to attach and protects your immersion pump, which increases the functional reliability. (SP 5 Dirt)
6.997-359.0| Pump connection G1 (33.3
mm) incl. Check valve| For pumps with G1 (33.3 mm) connection thread and 3/4″ as well as 1″ hoses, including union nut, hose clamp, flat packing and check valve. (SP 5 Dirt)
6.997-347.0| Spiral hose, by the meter,
25 m, 3/4″| By the meter for cutting hoses to individual lengths. (SP 5 Dirt)
6.997-346.0| Spiral hose, by the meter,
25 m, 1″| By the meter for cutting hoses to individual lengths.
2.645-142.0| Hose PrimoFlex, 25 m, 3/4″| Phthalate-free 3/4″ garden hose for draining away the water. (SP 5 Dirt)
2.645-247.0| Hose PrimoFlex, 50 m, 1″| Phthalate-free 1″ garden hose for draining away the water.

Troubleshooting

DANGER
Risk of mortal danger on account of electric shock! To avoid risks, all repairs and replacement of spare parts may only be carried out by the authorised customer service personnel.

Fault	Cause	Remedy
Pump runs but does not transport	Air in the pump	Water level below the

minimum fluid level (only in manual operation)
Suction area blocked| Pull out the mains plug and clean the suction area
Water level below the minimum fluid level (only in manual operation)| Immerse, whenever possible, the pump deeper into the feed fluid or proceed as described in Chapter Operation.
Pump does not run or suddenly comes to a standstill during operations| Power supply interrupted| Check fuses and electrical connections
Thermal protection switch has switched off the pump due to overheating| Pull out the mains plug, let the pump cool down, clean the suction area, prevent dry running
Dirt particles have got jammed into the
suction area| Pull out the mains plug and clean the suction area
Pumping capacity is reducing| Suction area blocked| Pull out the mains plug and clean the suction area
Pumping capacity too low| The pumping capacity depends on the flow height, hose diameter, and hose length.| Observe the maximum delivery height, see technical data. If necessary, use a larger hose diameter or a shorter hose length.
Quick-Connect cannot be opened or
closed.| Soiling in the plug system.| Remove and clean clip.

Specifications

| | SP 5 Dirt| SP 7 Dirt
---|---|---|---
Mains voltage| V| 230 – 240 V| 230 V
Mains frequency| Hz| 50| 50
Output Pnom| W| 500| 750
Max. flow rate| l/h| 9500| 15500
Max. pressure| bar| 0,7| 0,8
Max. flow height| m| 7| 8
Max. immersion depth| m| 7| 7
Max. grain size of the dirt particles that can be transported| mm| 20| 30
Minimum fluid height (manual mode)| mm| 60| 50
Residual fluid height| mm| 25| 35
Weight (without accessories)| kg| 4,6| 6,5

Subject to technical modifications!

The possible delivery rate is even larger:

the lower the delivery height
the larger the diameter of the hose used
the shorter the hose used
the lower the pressure loss caused by
the connected accessories

THANK YOU!
MERCI! DANKE! GRACIAS!

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Alfred Kärcher SE & Co. KG
Alfred-Kärcher-Str. 28-40
71364 Winnenden (Germany)
Tel.: +49 7195 14-0
Fax: +49 7195 14-2212

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