TRUPER MOTB-2 Water Pump User Manual

: October 30, 2023
: TRUPER

TRUPER MOTB-2 Water Pump

TRUPER MOTB-2 Water Pump

Read this manual thoroughly before using the tool.

CAUTION

To gain the best performance of the tool, prolong the duty life, make the Warranty valid if necessary, and to avoid hazards of fatal injuries please read and understand this Manual before using the tool.

Keep this manual for future references.
The illustrations in this manual are for reference only. They might be different from the real tool.

Use and care recommendations

**** FILL THE PUMP completely with water before starting

DO NOT TURN THE PUMP ON WITHOUT OIL, otherwise the engine could be damaged
USE UNLEADED FUEL with a PON octane equal or greater than 86, or a RON octane equal or greater than 91. Never use contaminated gasoline or gasoline- oil mix

**** Place the pump on a FIRM AND LEVEL SURFACE

**** Perform periodic MAINTENANCE to your machine. (Page 11)

Technical Data

| MOTB-2| MOTB-3| MOTB-4
---|---|---|---
Code| 17116| 17117| 17118
Description| | Water Pump|
Motor Cylinders| 212 cc| 212 cc| 270 cc
Motor Rated Power| 7 Hp| 7 Hp| 9 Hp
Motor Type| | 4-stroke OHV|
No Load Speed| | 3 650 RPM – 3 700 RPM|
Fuel| | Gasoline|
Gas Tank Capacity| 0.60 gal| 0.68 gal| 1.37 gal
Fuel Yield at 100% Fill Up| 1.66 hours| 1.5 hours| 2 hours
Oil Type SAE 10W-30| | SAE 10W-30|
Inlet and Outlet Diameters| 2”| 3”| 4”
Maximum Suction Depth 16.4 feet| | 16.4 feet|
Maximum Height| | 82 feet|
Maximum Flow| 132 gal/min| 238 gal/min| 396 gal/min
Noise Level| Lower than 81 dB at 13’| Lower than 82 dB at 13’| Lower than 83 dB at 13’
Thermal Energy Consumption| 0.36 gal/h| 0.45 gal/h| 0.65 gal/h
Weight| 50.7 lb| 57.3 lb| 92.6 lb

Fuel Specifications

The equipment has an air-cooled 4-stroke motor using pure unleaded gasoline.
For no reason at all mix oil with the fuel.
For no reason at all use fuel mixed with ethyl alcohol (gasohol), ethanol or methane. These attract humidity causing separation and acid build up when stored. Acidity can damage the motor fuel system when stored.
To avoid having problems with the motor, please drain the fuel system before storing the equipment 30 days or longer. Drain the gasoline tank, start the motor and leave it running until the fuel lines are empty. Next season, use fresh gasoline.
Never use inside the gasoline tank products to clean motors or carburetors. Those products can cause permanent damage to the Motor.

Do not use the equipment in closed areas.

Prevent breathing accumulated carbon monoxide, an odorless, toxic and potentially fatal gas.

Never smoke near fuel.

Do not smoke near the filling-up area or while operating the equipment.

General Safety Warnings for Motor Tools

Keep your work area clean, tidy and well lit.

Symbol Cluttered and dark areas may cause accidents ****

Never use the tool in explosive areas or in the presence of flammable liquids.

Before starting the motor keep the tool at least 30 feet away from the fill up area.

Keep children and passersby at a safe distance while operating the tool.

Distractions could cause loosing control and cause accidents.

Avoid contact with power lines and circuits.

Stay alert, use care and common sense.

Symbol Familiarity with the tool operation could lead to distractions. It could cause accidents.

Refrain from using the tool if tired or under the influence of drugs, alcohol or medication.

Being momentarily distracted while using the tool could cause severe personal injury.

Operate the tool with guards and protection devices in place and in good working condition.

Failure to comply with this warning is a hazard of severe personal injury

Do not force the tool.

Symbol Working within the tool’s working design assures a better and safer job.

Keep the tool in a safe place and out of the reach of children.

Motor powered tools are dangerous to inexperienced people.

Wear proper clothes.

Loose clothes, jewelry or long hair could get caught in the mobile parts.

Keep hands away from rotating and/or mobile parts.

Failure to comply with this warning is a hazard of severe personal injury.

Do not operate the tool in enclosed areas.

Avoid breathing accumulated carbon monoxide, a potentially deadly odorless toxic gas. Symbol

Wear adequate protective safety accessories.

Symbol Wear eye protection, dust mask, non-skid safety shoes, helmet and ear plugs. These safety gears reduce the riskof injury.
Symbols

Turn off the tool before adjusting, changing accessories or storin.

Double check the tool switch is in the off position.

Refrain from operating the tool if the switch is not working or is not properly assembled.

Failure to complain with this warning is a hazard of personal injury. Immediately send it to a
Logo Authorized Service Center

Do not overreach.

Symbol Good balance and support lead to better controlling the tool in unexpected situations

Avoid the tool to unintentionally start.

Double-check the tool motor is off before maintenance or putting it away

Remove brackets before turning on the tool.

Additional tools or vices installed in a rotating part could cause severe personal injury

Service the tool and double-check it is in good working conditions before operating

Carefully check mobile parts, alignment and assembly.
Do it periodically. Look for any damaged element or part not working properly. Repair immediately in a Logo Authorized Service Center

Accessories.

Symbol Use only accessories or spare parts indicated in this Manual or certified by Logo

Never leave a running tool unattended.

Turn off and disconnect the tool after using. Set it in a safe position to avoid severe injury

Never smoke in the proximity of fuel.

Do not smoke in the proximity of the fuelling area or when using the tool.

Do not touch parts with high temperatures.

The surface of the engine and the exhaust reach high temperatures during the operation of the tool..

Service and repair.

Always go to a Logo Authorized Service Center to use identical spare parts and maintain the security of the tool.

Safety Warnings for Water Pumps

Appropriate use

Do not use the pump to pump flammable or corrosive liquids such as gasoline, oils and acids, neither pumping sea water, fuels and / or similar substances.
Set the pump on a firm, flat surface, 3,2 feet at least away from any wall and away from flammable things.
Double check you know how to stop and operate the pump. Never let the pump be used under risky conditions or violating safety regulations.
Inadequate use of the pump or modifications, components not approved or tested by the manufacturer, liberates the manufacturer from any legal liability.
Do not install the water pump in areas where there is risk of explosion or near liquid fuels or gases.
• Do not aim the water jet against the water pump or other electrical components. There is danger of death due to electric shock.
Symbols adhered onto the water pump shall not be removed or covered. All information regarding the equipment that is no longer legible shall be immediately replaced.
Read and obey the operation instructions before installing or starting the motor pump. Any malfunction caused by omission of the indications in this manual can damage the pump and make the Warranty void.
The time it takes for the water to start flowing through the pump may vary depending on the suction depth. Do not operate the pump empty (with no water) longer than 12 minutes. This action could damage the mechanical seal in the system.
Before starting the pump verify the suction hose is properly connected. Water leaks in the connection will prevent the right operation of the pump.
The pump is built with an oil level sensor bulb that prevents the motor to start if the level is not the right one.
Purge the pump before each operation once it is connected and set in the working place.

Fuel Handling

Never smoke close to where there is fuel, nor the filling up zone or when operating the pump.
To reduce risk of fire or burns, handle fuel with care. It is extremely flammable.
Prevent gasoline or oil to be in contact with your skin.
Protect your eyes to guard off gasoline or oil splashes. In the event of accidental contact, wash immediately with clear water. If irritations persist, go see a physician.
Store fuel in a dedicated container
Before re-fueling, shut down the motor, set the equipment on clear terrain and wait for it to cool down
Wipe clean all the spilled fuel before operating the equipment.
Check for fuel leaks to prevent fire, or burns. If there are leaks, mend them before using the pump.
Under no reason at all burn spilled fuel to get rid of it.
Under no reason use any other type of fuel than specified in the instruction manual.

Parts

Assembly

Coupling Mounting

Insert the coupling (A) in the nut (B) as shown in figure .
Set the seal (C) in the coupling .
Screw the nut in the inlet / outlet of the pump (D)

Set Up

Place the equipment on a dry, firm, flat and leveled surface.
Connect one end of the suction hose (not included) to the pump water inlet (A), and the other end of the hose to the filter (B).
Set the release hose (not included) to the pump water outlet (C).
All the connections shall be secured with the right clamps (D).
Hoses shall be continuous, with no twists in their structure. Length of the suction hose shall not exceed the required length to operate the pump correctly
Using a filter is essential (B) to prevent particles entering into the system and damage the motor.
Submerge the suction hose end with the filter in the water source.

Fuel and Oil

Oil Supply (A)

Set the equipment onto a flat and leveled surface.
Turn and remove the oil supply cap.
Use 4-stroke motor oil. Using SAE 10W-30 general oil for all temperatures is recommended. As indicated in the following table, other viscosities can be used when the local average temperature is within the indicated range.
Set back the cap and remove it to check oil level in the cap oil measuring rod.
Once the oil tank is in the right level indicated in the rod, tighten the cap to prevent leaks.
Do not exceed the oil maximum level because it causes a lot of smoke when starting the motor.
Check the oil level before each use. If necessary, add oil until the level is between the limits in the cap rod.
Replace oil after 20 hours’ operation or each season. It may be necessary to replace oil more often during dusty or dirt conditions.

High Altitude Operation

In high altitudes, the air-fuel combination in a standard carburetor will be rich in fuel. Performance will be low and fuel consumption will increase.
Performance while operating in high altitudes may improve if the carburetor is regulated adjusting the main knob. The machine is adjusted to operate at altitudes above 6 565 feet over sea level. If noticing the machine is not operating efficiently go to a Authorized Service Center to carry out the modification needed in the carburetor.
Even though the carburetor is having an adequate injection, the motor power will diminish approximately 3.5% per each increase of 1 000 feet after 6 890 feet above sea level. The power decrease will be higher if no modifications are carried out in the carburetor.
If the machine is operated in a height inadequate to the carburetor adjustment, low performance, overheating and severe damage in the motor can be caused due to the excessive air mix in the fuel

Fuel Supply (B)

Set the Pressure Washer on a flat and leveled surface.
Clean and dry the area around the fuel cap.
Remove the fuel cap.
Using a funnel fill slowly the fuel tank up to the lower part of the tank neck. Do not overfill to allow fuel expansion and prevent spillage.
Clean any fuel spills.
Cover the tank rotating the cap until hearing a click.
Clean any spilled fuel before starting up

Start Up

Purge

The system shall be purged of any air bubble by filling the pump with clear water before starting.
Remove the purge cap (F). Fill up with water up to the orifice level and screw back the cap. Only then the pump can be started.
Never star the pump when empty. If it accidentally starts shut down the pump immediately, wait until it cools down and fill it again with clean water.

Start Up

Symbol Before starting the pump some topics need to be taken care of. Otherwise it can get damaged and the Warranty cancelled:

All the hoses shall be disconnected, totally untangled and with no kinks.
Water supply shall be connected and fully open.
Gasoline and oil levels shall be right.
The system shall be purged as previously indicated.
Open the fuel valve (A).
Move the choke lever into the off position (B).
Set the switch (C) in the ON position ( I ).
Move the throttle lever (G) to the high-speed position ( ).
Slowly pull the starter lever (D) until filling resistance in the line. Then, pull with force to start the motor. Carefully return the lever to its place. do not release it, otherwise it would snap back and get damaged.
Allow the motor to run 5 seconds, and then move the choke lever into the “ON” position (E).
Keep on paying CAUTION to the water source level because during the pumping operation the level could go so low until the suction hose end is out of the water. In this situation turn off the pump immediately and correct the suction hose depth. Avoid making the pump function with no water, otherwise it may get damaged.

Shut OFF

Move the throttle lever (G) into the low speed position ( ).
Turn off the switch (C).
Move the fuel lever (A) moving the lever into the closed (OFF) position.
Move the choke lever (D) into the “OFF” position.
To stop the motor during an emergency, set the motor switch directly intp the “OFF” position.

Maintenance

Regular and careful maintenance is essential to maintain the safety levels and the optimal performance of the equipment.
Before cleaning, repairing, inspecting or storing the equipment, shut off the motor and wait until the motor is completely cooled down.
Keep nuts, bolts and screws tight to assure the equipment is in a safe working condition.
Do not alter the safety devises. Verify regularly if they work right.
Any worn or damaged part shall be replaced before using the equipment. Do not try to repair the parts. It can damage the equipment and become a risk to your safety.
Any repair or maintenance works different to those described in this section, for example, adjusting the carburetor, shall be carried out only in a Authorized Service Center.

Regular Maintenance| Before Each Use| Every 20 h| Every 50 h| Every 100 h| Every 300 h
---|---|---|---|---|---
General Inspection| Carry Out| Change| | |
Motor Oil| Check| | | Change|
Air Filter| Check| | Clean (1)| |
Sediment Container| | | | Clean|
Spark Plug| | | | Clean / Readjust|
Valve Clearance| | | | | Clean / Readjust (2)
Fuel Tank and Sieve| | | | | Clean (2)
Fuel Line| | Check and replace every 3 years if necessary (2)|
Fuel Tank Cap| | | | Clean|
Fuel Filter| | | | | Clean

When operating the equipment in dusty places carry out maintenance more frequently.
Go to a Authorized Service Center for this service.

Air Filter

Check the air filter to ensure is in good conditions. Remember, a dirty filter can make starting difficult, loosing performance and shorten the working life of the motor.
Remove the wing nut, then remove the filter cover and the filter element.
Set apart both the sponge filter from the paper filter elements.
Wash the sponge filter with a detergent and hot water solution. Let the filter dry completely.
Soak the sponge filter in clean SAE-20 motor oil. Squeeze out until eliminating excessive oil. The motor may expel smoke during start up if too much oil is left.
Install back the filter in its container and set the cover back in place

Symbol Never use gasoline to clean the air filter.
It could cause and explosion or fire. Never start the motor with the air filter removed. The motor will wear out faster.

Oil Replacement

The oil drain cap is under the motor (B).
Set the dedicated container underneath the motor to receive the oil. Remove the drain cap and then, the tank cap (C). When the oil has drained, set back the drain cap.
Wipe clean any leak or spill.
Fill up the tank with SAE 10W-30 oil.
Check oil level placing the oil tank cap without screwing it back. Oil level shall be between the maximum and minimum marks in the oil measuring rod. Double check the level is not exceeding the maximum mark. When the level is right, tighten the tank cap.
Start the motor. Leave it running a few moments. Stop the motor, wait one minute and check again oil level. Fill up if necessary.
For no reason at all, pour oil in the drain. Take used oil and oil filter to a recycling unit.

Fuel Filter

The fuel filter stops water or dirt present in the fuel tank to enter into the carburetor.
If the motor has not been run after a long period of time, the sediment container need cleansing.
With the motor off and ambient temperature close the fuel key (E).
Remove the sediment container (F). Clean its interior.
Leave the container drying completely.
Verify the washer (G) is in good conditions and set the sediment container back in place.
The tank fuel filter shall be washed according to the maintenance program indicated in page 11.
These instructions apply only for models MOTB-2 and MOTB-3

Fuel Drain

Set a dedicated container under the tank to receive gasoline. Use a funnel to prevent fuel spills.
Close the fuel key. Remove and clean the fuel filter as indicated above.
Before setting the filter, open the filter key to drain all the fuel tank contents. When drained, place the filter and the sediment container.
Set a dedicated container under the carburetor to receive gasoline. Use a funnel to prevent fuel spills.
Remove the drain bolt (A).
When fuel has been drained into the container, set the drain bolt back and the washer. Tighten firmly.
Wipe clean all the fuel spills.

Spark Plug

Before removing the spark plug (B), wipe clean the area around the spark plug base to stop dust and debris entering the motor. Then, using a spark-plug wrench remove the spark plug.
Clean the carbon deposits from the spark plug electrodes using a spark plug cleaner or a wire brush.
Replace the old spark plug with a new one if damaged, worn or if in doubt
Measure the gap between both electrodes. Use a spark plug gauge. The distance between the center electrode and the side electrode shall be between 0,27” and 0,31”
Check the spark plug washer is in good conditions. Insert the spark plug manually to prevent maladjustment.
After setting the spark plug, tighten with a spark plug wrench to compress the washer.
If installing a new spark plug, tighten half-a-turn until the spark plug is in place and can press the washer. If installing a used spark-plug, tighten 1/8 of a turn after the spark plug is in place and can press the washer.
Improperly installed or out of range spark plugs cause overheating and damage the motor.

Storing and Transportation

When moving the equipment, shut down the motor switch and close the fuel key. Keep the equipment leveled to prevent fuel spills.
When storing the equipment long periods of time:
Drain completely all the fuel as indicated in the previous paragraph. Then, start the motor until all the fuel inside the motor is consumed.
Replace oil as indicated in page 11.
Remove the spark plug and pour a spoonful of SAE 10W-30 oil into the cylinder. Pull the jack-line to distribute the oil through the system. Set the spark plug back in place.
Pull softly the jack-line handle until feeling resistance. This indicated the cylinder is reaching the compression phase and the escape and absorption valves are closed. Storing the equipment in these conditions prevents internal corrosion.
Wipe clean the equipment with a damp cloth and cover it to prevent dust accumulation.
Store the equipment in a clean, dry place, away from the reach of children.

Troubleshooting

Problem	Cause	Solution
Motor does not start.

The switch is OFF.
Not enough fuel.
Oil level is too low or there is no oil.

|

Turn ON the switch.
Fill up fuel tank.
Check oil level as indicated in page 9 (Oil Supply (A)).
Having the fuel tank full, verify fuel flow in the carburetor:
1. Set a dedicated container under the carburetor and use a funnel to prevent fuel spills.
1. Disconnect the spark plug cable, wipe clean dust around the spark plug and remove it.
3. Turn on the motor.
4. Make the spark plug electrode contact any metal part in the motor that is free of fuel. Is important to carry out tests in a ventilated area with no fuel spilled, otherwise an explosion may occur.
5. Pull the jack-line handle to generate a spark between the spark plug central electrode and the metal part. If there is no spark, the spark plug needs replacement.
6. If with a new spark plug still is no spark go to a Authorized Service Center.

|

Gasoline is not getting into the carburetor.

|

No spark in the spark plug.

| • Oil level is too low.|

Check motor level as indicated on page 9. Start the motor again.

|

The suction hose is put from the water source.
The filter is blocked.
The hose is tangled.
The suction distance is too high.

|

Submerge the suction hose end.
Remove obstacles from the filter.
Straighten the hose.
Do not go over the 16.4 feet height needed for suction.

Notes

Authorized Service Centers

In the event of any problem contacting a Logo Authorized Service Center, please see our webpage www.truper.com to get an updated list, or call our toll-free numbers 800 690-6990 or 800 0187-8737 to get information about the nearest Service Center.

AGUASCALIENTES
DE TODO PARA LA CONSTRUCCIÓN
GRAL. BARRAGÁN #1201, COL. GREMIAL, C.P. 20030,
AGUASCALIENTES, AGS. TEL.: 449 994 0537

Warranty policy

Codes	Models	Brand
17116	MOTB-2	![Logo](https://manuals.plus/wp-content/uploads/2023/06/TRUPER-

MOTB-2-Water-Pump-User-Manual-1.png)
17117| MOTB-3
17118| MOTB-4

This product is guaranteed for 1 year. To make the warranty valid or purchase parts and components you must present the product in Corregidora 22, Col. Centro, Alc. Cuauhtémoc, CDMX C.P. 06060 or at the establishment where you purchased it, or at any Truper® Service Center listed in the annex to the warranty policy and/or in www.truper.com . Transportation costs resulting from compliance of this warranty will be covered by Logo

For questions or comments, call 800-690-6990. Made in China. Imported by Truper S.A. de C.V. Parque Industrial 1, Parque Industrial Jilotepec, Jilotepec, Edo. de Méx. C.P. 54257
Stamp of the business. Date of purchase:

TRUPER Logo