Multiquip QP2H manual Troubleshooting ENGINE/PUMP, Pump Troubleshooting

Page 27

TROUBLESHOOTING (ENGINE/PUMP)

Table 7. Engine Troubleshooting

Symptom

Possible Problem

Solution

Operation not satisfactory

 

 

 

Governor adjustment improper?

Adjust governor to correct lever.

Rotational speed fluctuates.

Governor spring defective?

Clean or replace ignition.

Fuel flow erratic?

Check fuel line.

 

 

Air taken in through suction line?

Check suction line.

Recoil starter not working properly.

Dust in rotating part?

Clean recoil starter assembly.

Spring failure?

Replace spiral spring.

 

Table 8. Pump Troubleshooting

 

Symptom

Possible Problem

Solution

 

 

 

Not enough priming water in the housing?

Add water.

 

 

 

Engine speed too low?

Increase throttle.

 

 

 

Strainer plugged?

Clean strainer.

 

 

 

Suction hose damaged?

Replace or repair hose, and clamps.

 

 

 

 

 

 

 

 

Air leak at suction port?

Check that fittings are tight and properly

 

 

 

sealed.

 

 

Pump does not take

 

 

 

Pump is located too high above water line?

Move pump closer to water.

 

 

on water.

 

 

 

Debris collecting in pump housing?

Clean pump housing.

 

 

 

Too much distance between impeller

Adjust clearance by adding shims or

 

 

 

and volute.

replace impeller. Min. .006" - Max. .020".

 

 

 

Water leaking out weep hole between pump

Check condition of mechanical seal and

 

 

 

gaskets, between pump end and engine

 

 

 

and engine?

housing.

 

 

 

 

 

 

 

Engine speed too low?

Increase throttle speed.

 

 

Pump takes in water, little or

 

 

 

 

Suction strainer partially plugged?

Clean strainer.

 

 

no discharge.

 

 

 

 

Impeller/Volute worn?

Adjust clearance by adding shims or

 

 

 

 

 

 

replace impeller/volute.

 

 

 

 

 

 

 

Fittings/clamps are not sealed properly?

Tighten, replace or add clamp. (Keep

 

 

 

extra seals on pump).

 

 

Suction hose leaks at inlet.

 

 

 

Hose diameter is too large?

Use smaller diameter hose or replace

 

 

 

 

 

 

hose.

 

 

 

 

 

 

Discharge does not stay on

Pressure too high?

Check pressure, add additional clamp.

 

 

coupling.

Hose kinked or end blocked?

Check hose.

 

 

 

 

 

 

 

 

Impeller jammed or blocked?

Open pump cover and clean dirt and

 

 

 

debris from inside housing.

 

 

Impeller does not turn:

 

 

 

Impeller and volute binding?

Adjust clearance by removing shim from

 

 

pump is hard to start.

 

 

behind impeller.

 

 

 

 

 

 

 

Defective engine?

See Engine Owner's Manual.

 

 

 

 

 

 

 

 

 

 

 

QP2H CENTRIFUGAL PUMP • OPERATION AND PARTS MANUAL — REV. #1 (01/29/14) — PAGE 27

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Contents This Manual Must Accompany the Equipment AT ALL Times Model QP2HProposition 65 Warning Page QP2H Centrifugal Pump Table of ContentsOrdering parts has never been easier Parts Ordering ProceduresSafety Messages Safety InformationSerious damage to the equipment or engine General SafetyPump Safety „ Never open the priming plug when pumpEngine Safety Fuel SafetyBefore servicing equipment Battery Safety Electric Start only Transporting Safety„ Use well-insulated gloves when picking up the battery Label must remain with the engine for its entire life Emissions InformationModel Specifications PumpSpecifications Pump Dry Net WeightEngine Specifications EngineSpecifications Engines DimensionGeneral Information Drain Plug Remove this plug to drain water from the pump Pump ComponentsBasic Engine Initial ServicingMuffler Used to reduce noise and emissions Season Inspection EngineBefore Starting Oil TypeSetup Place the engine fuel valve lever See to the on position Place the engine ON/OFF switch See in the on positionOperation Starting the EngineStopping the Engine Always run engine at full speed while pumpingPlace the fuel shut-off lever See in the OFF position Pump Vacuum Test Maintenance PumpPump Vacuum Tester Do not run pump without waterFirst Every Maintenance EngineEngine Maintenance Engine Maintenance ScheduleEngine OIL Engine AIR CleanerDaily WeeklySpark Arrester Removal Spark Arrester CleaningPump Storage StorageOperation not satisfactory Troubleshooting EngineEngine Troubleshooting Symptom Possible Problem Solution Difficult to startTroubleshooting ENGINE/PUMP Pump TroubleshootingSymptom Possible Problem Solution Explanation of Code in Remarks Column Sample Parts ListQty Description Suggested Spare PartsPump Assembly 0191150520 72041000101889350351 0181050820Engine Service Parts 17218ZE0505 17620Z4H02028462ZH8003 17210ZE0822Freight Policy Terms and Conditions of Sale PartsPage HERE’S HOW to GET Help
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QP2H specifications

The Multiquip QP2H is a high-performance portable generator designed to meet the power needs of both professionals and recreational users. Known for its reliability and robust design, this generator incorporates advanced technologies that ensure efficient operation, durability, and ease of use.

At the heart of the QP2H is its powerful Honda GX160 engine, which provides a maximum output of 2,000 watts. This engine is renowned for its fuel efficiency and low emissions, making it an environmentally friendly choice for users. The generator is equipped with a recoil start system that allows for easy ignition, even in challenging situations. Its lightweight and compact design make it highly portable, allowing users to transport it effortlessly to job sites, campsites, or outdoor events.

One of the standout features of the QP2H is its dual voltage capability. Users can switch between 120V and 240V output with a simple adjustment, making it versatile enough to power a variety of devices. This is particularly useful for contractors who need to run both standard tools and higher-voltage equipment. The generator also includes multiple AC outlets, providing flexibility for connecting multiple devices simultaneously.

Durability is a core characteristic of the QP2H. The generator's frame is built from strong steel, ensuring it can withstand the rigors of daily use in tough environments. It also features a protective roll cage that guards against impacts and enhances stability on uneven surfaces. The generator's design incorporates noise-reducing technology, which minimizes operational sound, making it more suitable for residential areas or noise-sensitive locations.

Another noteworthy aspect of the QP2H is its fuel tank capacity, which allows for extended run times. Users can expect up to 7 hours of continuous operation on a single tank, depending on the load. This efficiency is critical for users who need a reliable power source without the frequent interruptions of refueling.

In conclusion, the Multiquip QP2H stands out in the portable generator market due to its powerful engine, dual voltage capability, robust construction, and user-friendly design. Whether for construction sites, outdoor adventures, or emergency power backup, this generator provides the reliability and versatility needed to meet diverse power requirements. With the QP2H, users can rest assured knowing they have a dependable source of electricity wherever they go.
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