Multiquip operation manual QP40TH Troubleshooting Engine

Page 26

QP40TH — TROUBLESHOOTING (ENGINE)

TABLE 5. ENGINE TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

Difficult to start

 

 

 

 

 

 

Ignition plug being bridge?

Check ignition system.

 

 

 

Fuel is available but spark plug

Carbon deposit at ignition?

Clean or replace ignition.

 

 

will not ignite. (Power available

Short circuit due to defective

Replace insulators.

at high tension cable).

insulators?

 

 

 

 

 

 

 

Improper spark gap?

Set spark plug gap to the correct gap.

 

 

 

Fuel is available but spark plug

Short circuit at stop switch?

Check stop switch circuit. Replace stop switch if defective.

will not ignite. (Power NOT

 

 

 

 

available at high tension cable).

Ignition coil defective?

Replace ignition coil.

 

 

 

 

Muffler clogged with carbon

Clean or replace muffler.

 

deposits?

 

 

 

 

 

Mixed fuel quality is

Check fuel to oil mixture.

Fuel is available and spark plug

inadequate?

 

ignites (compression normal).

 

 

Fuel in use inadequate (water,

Flush fuel sytem and replace with fresh fuel.

 

 

dust)?

 

 

 

 

 

Air Cleaner clogged?

Clean or replace air cleaner.

 

 

 

 

Defective cylinder head gasket?

Tighten cylinder head bolts or replace head gasket.

Fuel is available and spark plug

 

 

Cylinder worn?

Replace cylinder.

ignites (compression low ).

 

 

 

Spark plug loose?

Tighen spark plug.

 

 

 

Operation not satisfactory

 

 

 

 

 

 

Air cleaner clogged?

 

 

 

 

Not enough power available

Air in fuel line?

Bleed (remove air) from fuel line.

 

 

(compression normal, no miss-

Fuel level in carbureator float

 

firing).

Adjust carbureator float

chamber improper?

 

 

 

 

 

 

Carbon deposits in cylinder?

Clean or replace cylinder

 

 

 

 

Ignition coil defective?

Flush fuel sytem and replace with fresh fuel.

Not enough power available

 

 

Ignition plug often shorts?

Replace ignition wires, clean ignition.

(compression normal, miss-

 

 

firing).

Fuel in use inadequate (water,

Flush fuel sytem and replace with fresh fuel.

 

 

dust)?

 

 

 

 

 

Excessive carbon depostion in

Clean or replace crankcase.

 

combustion chamber?

 

 

 

 

Engine overheats.

Exhaust or muffler clogged with

Clean or replace muffler.

 

carbon.

 

 

 

 

 

Spark plug heat value incorrect?

Replace spark plug with correct type spark plug.

 

 

 

PAGE 26 —QP40TH — PARTS & OPERATION MANUAL — REV. #1 (10/01/02)

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Contents GAS Powered Trash Pump Model QP40TH Honda Page Heres HOW to GET Help Table of Contents Parts Ordering Procedures UPS Third Day Service at one-half of actual freight costQP40TH Safety Message Alert Symbols Seriously injured if you do not follow directionsAlways wear approved respiratory protection InstructionsGeneral Safety Rules for Safe OperationRules for Safe Operation Specifications Pump Suction & Discharge SizeSpecifications Engine QP40TH General Information Re-prime later Attempting to remove clean-out coverWater PortQP40TH Basic Engine Cleaner Read safety instructions at Beginning of manualClean the pump, removing dirt Dust, particularly the engine Enclosed area structure thatQP40TH PRE-SETUP Pump Read safety instructions at the beginning of manualPlace the engine ON/OFF switch in the on position Place the engine fuel valve lever to the on positionQP40TH Initial START-UP Engine Place the fuel shut-off lever in the OFF positionPage QP40TH Maintenance Pump Pump Vacuum TestQP40TH Maintenance Pump QP40TH Maintenance Engine Engine Maintenance ScheduleQP40TH Maintenance Engine QP40TH Preparation for Long -TERM Storage Pump StoragePage QP40TH Troubleshooting Engine QP40TH Troubleshooting ENGINE/PUMP Explanation of Code in Remarks Column QP40TH Suggested Spare Parts To 5 UnitsQP40TH Pump Assy Pump AssyCasing Cover ENGINE, Honda GX340K1QA2Casing Delivery Cover NPT4QP40TH Pump Assy Spring Washer M12 NUT DELIVERY/SUCTION Cover M12Pump M10 Spring Washer M10Honda GX340K1QA2 AIR Cleaner Assy AIR Cleaner AssyGROMMET, AIR Cleaner ELEMENT, AIR CleanerCOVER, AIR Cleaner COLLAR, AIR CleanerHonda GX340K1QA2 Camshaft Assy Camshaft AssyARM, Valve Rocker SPRING, Weight ReturnROD, Push LIFTER, ValveHonda GX340K1QA2 Piston Assy Piston AssyRing SET, PISTON- OS BOLT, Connecting RODRing SET, PISTON- Standard Ring SET, PpistonHonda GX340K1QA2 Crankcase Cover Assy Crankcase Cover AssyPIN, Governor Weight WEIGHT, GovernorHOLDER, Governor Weight GASKET, Case CoverHonda GX340K1QA2 Crankshaft Assy Crankshaft AssyWEIGHT, Balancer Honda GX340K1QA2 Cylinder Barrel Assy Cylinder Barrel AssySHAFT, Governor ARM Includes Items WUSE from Engine BOLT, Drain PlugHonda GX340K1QA2 Cylinder Head Assy Cylinder Head AssyCOVER, Head CLIP, Valve GuideGASKET, Cylinder Head TUBE, BreatherHonda GX340K1QA2 FAN Cover Assy FAN Cover AssyCOVER, FAN *R8* Bright RED CLIP, Wire HarnessCLIP, Tube ShroudHonda GX340K1QA2 Flywheel Assy Flywheel AssyFAN, Cooling FlywheelHonda GX340K1QA2 Fueltank Assy Fuel Tank AssyTank Fuel *T34* Simpson Blue RUBBER, Supporter 107MMJOINT, Fuel Tank GASKET, Fuel Filler CAPHonda GX340K1QA2 Ignition Coil Assy Ignition Coil AssyWIRE, Stop Switch 430MM Coil ASSEMBLY, IgnitionGROMMET, Wire Honda GX340K1QA2 Carburetor Assy Carburetor AssyFloat SET Gasket SETValve SET, Float Includes Items W/%Honda GX340K1QA2 Carburetor Assy 25 + 9430520122 Honda GX340K1QA2 Muffler Assy Muffler AssyPROTECTOR, EX. Pipe MufflerPROTECTOR, Muffler PIPE, EXHonda GX340K1QA2 Recoil Starter Assy Recoil Starter AssySPRING, Friction PULLEY, Recoil StarterRATCHET, Starter SPRING, Starter ReturnHonda GX340K1QA2 Control Assy Honda GX340K1QA2 Control Assy Honda GX340K1QA2 Labels Assy Labels AssyMARK, Choke External EmblemLABEL, Caution MARK, OIL Alert ETerms and Conditions of Sale Parts Page Multiquip INC

QP40TH specifications

The Multiquip QP40TH is a robust and reliable portable generator that stands out in the industry for its powerful performance and innovative features. Designed to cater to various applications, including construction sites, outdoor events, and emergency backup power, this generator delivers an impressive balance of power and portability.

One of the key features of the QP40TH is its 40 kW output capacity, which makes it suitable for a range of applications where high power is necessary. This generator is equipped with a three-phase generator system that ensures efficient energy distribution, enabling multiple tools and equipment to run simultaneously. With a fuel-efficient operation, the QP40TH keeps operational costs down while providing consistent power delivery.

The QP40TH utilizes a high-performance diesel engine that boasts reliability and durability, making it ideal for heavy-duty use. Its industrial-grade engine is designed to withstand the rigors of job sites, ensuring long-lasting performance under challenging conditions. Additionally, the generator features a robust frame and protective enclosure, allowing it to endure harsh environments while keeping internal components secure.

In terms of technology, the Multiquip QP40TH is equipped with advanced digital control systems that enhance user experience. The intuitive control panel provides easy access to essential information such as voltage output, frequency, and hour meter. This ease of monitoring ensures that users can manage their power needs effectively without complications.

Furthermore, the generator is designed with improved noise reduction technologies, enabling quieter operation compared to traditional models. This feature is particularly beneficial for events or locations where noise regulations must be adhered to. The QP40TH also includes a fuel tank that ensures extended run times, minimizing downtime for refueling and keeping projects on schedule.

Safety is a priority with the QP40TH, which is equipped with automatic shut-off features that protect the generator from overloads and low oil levels. These safety mechanisms provide peace of mind for users, safeguarding both the generator and connected equipment.

With its combination of power, efficiency, and reliability, the Multiquip QP40TH is a versatile generator that meets the demands of various applications. Its robust features and state-of-the-art technology make it a go-to choice for professionals in construction, events, and emergency services, ensuring that power needs are met with confidence.
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