Multiquip QP2TH 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.

 

 

 

 

 

 

 

 

 

 

 

QP2TH TRASH PUMP • OPERATION AND PARTS MANUAL — REV. #5 (01/29/14) — PAGE 27

Image 27
Contents This Manual Must Accompany the Equipment AT ALL Times Model QP2THProposition 65 Warning QP2TH Trash Pump Operation and Parts Manual REV. #5 01/29/14 QP2TH Trash 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 QP2TH Pump Application 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 PumpAdjusting Impeller Clearance Pump CleaningPump Vacuum Tester First 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 1889000132 18891000111889100020 1889100171Pump Assembly 0205490080 0151191257M12 X 57 X15 X 39# 0520030310 0204490060Engine Service Parts 28462ZH8003 17620ZH702317620Z4M000 28462ZE2W11Freight Policy Terms and Conditions of Sale PartsQP2TH Trash Pump Operation and Parts Manual REV. #5 01/29/14 HERE’S HOW to GET Help

QP2TH specifications

The Multiquip QP2TH is a versatile and efficient piece of equipment tailored for various applications, including construction, landscaping, and roadwork. This powerful equipment is designed to provide robust performance, easy maneuverability, and a range of features that make it a valuable addition to any job site.

One of the standout features of the QP2TH is its robust construction, which includes a heavy-duty frame designed to withstand the rigors of demanding work environments. The equipment is built with high-quality materials, ensuring longevity and reliability. The QP2TH is equipped with a reliable engine, offering sufficient power to tackle tough tasks while maintaining efficiency. This engine not only provides excellent performance but also ensures lower fuel consumption, making it an economic choice for operators.

The QP2TH boasts advanced technology that enhances its usability, including automated features that simplify operation. Its intuitive control panel allows operators to easily select settings, monitor performance, and troubleshoot issues with minimal downtime. Additionally, the machine features ergonomic controls designed to reduce operator fatigue, enabling longer working hours without compromising comfort.

Maneuverability is another defining characteristic of the Multiquip QP2TH. The compact design coupled with robust wheels allows for easy navigation across various terrains, including rugged landscapes and tight urban spaces. This versatility ensures that the QP2TH can perform effectively in a range of job applications, from grading and trenching to compacting and leveling.

Another noteworthy feature is the machine's ability to accommodate a variety of attachments and accessories. This adaptability makes the QP2TH suitable for multiple tasks, enhancing its effectiveness as a multifunctional tool on the job site. Whether operators need to switch from a compactor to a grader, the QP2TH can meet those needs swiftly and efficiently.

In conclusion, the Multiquip QP2TH is a powerful and adaptable machine equipped with significant features and technologies that enhance its performance and usability. With its durable construction, efficient engine, ergonomic controls, and versatility in attachments, the QP2TH stands out as an essential asset for professionals in the construction and landscaping industries.