troubleshooting

 

 

 

 

 

 

 

 

 

Troubleshooting (engine) - continued

 

 

Symptom

possible problem

 

Solution

 

 

 

 

 

Air cleaner dirty?

 

Clean or replace air cleaner.

 

 

 

 

Weak in power, compression is proper and

Improper level in carburetor?

 

Check fl oat adjustment, rebuild carburetor.

does not misfi re.

Defective spark plug?

 

Clean or replace spark plug.

 

 

 

 

 

Improper spark plug?

 

Set to proper gap.

 

 

 

 

 

Water in fuel system?

 

Flush fuel system and replace with correct

Weak in power, compression is proper but

 

type of fuel.

 

 

misfi res.

Dirty spark plug?

 

Clean or replace spark plug.

 

Ignition coil defective?

 

Replace ignition coil.

 

Spark plug heat value incorrect?

 

Replace with correct type of spark plug.

 

Wrong type of fuel?

 

Replace with correct type of fuel.

Engine overheats.

Cooling fi ns dirty?

 

Clean cooling fi ns.

Intake air restricted?

 

Clear intake of dirt and debris. Replace air

 

 

 

 

cleaner elements as necessary.

 

 

 

 

 

 

 

 

Oil level too low or too high?

 

Adjust oil to proper level.

 

 

 

 

 

Governor adjusted incorrectly?

 

Adjust governor.

 

 

 

 

Rotational speed fl uctuates.

Governor spring defective?

 

Replace governor spring.

 

 

 

 

 

Fuel fl ow restricted?

 

Check entire fuel system for leaks or clogs.

 

 

 

 

 

Recoil mechanism clogged with dust and

 

Clean recoil assembly with soap and water.

Recoil starter malfunctions. (if applicable)

dirt?

 

 

 

 

Spiral spring loose?

 

Replace spiral spring.

 

 

 

 

 

Loose, damaged wiring?

 

Ensure tight, clean connections on battery

 

 

and starter.

Starter malfunctions.

 

 

 

 

 

Battery insuffi ciently charged?

 

Recharge or replace battery.

 

 

 

 

 

 

 

Starter damaged or internally shorted?

 

Replace starter.

 

 

 

 

 

Over-accumulation of exhaust products?

 

Check and clean valves. Check muffl er and

 

 

replace if necessary.

Burns too much fuel.

 

 

 

 

 

Wrong spark plug?

 

Replace spark plug with manufacturer's

 

 

 

 

suggested type.

 

 

 

 

 

 

 

Exhaust color is continuously "white".

Lubricating oil is wrong viscosity?

 

Replace lubricating oil with correct viscosity.

 

 

 

Worn rings?

 

Replace rings.

 

 

 

 

 

 

 

Air cleaner clogged?

 

Clean or replace air cleaner.

 

 

 

 

 

Choke valve set to incorrect position?

 

Adjust choke valve to correct position.

 

 

 

 

Exhaust color is continuously "black".

Carburetor defective, seal on carburetor

 

Replace carburetor or seal.

broken?

 

 

 

 

 

 

 

 

 

Poor carburetor adjustment, engine runs too

 

Adjust carburetor.

 

rich?

 

 

 

 

 

 

 

 

 

ON/OFF device not activated ON?

 

Turn on ON/OFF device.

 

 

 

 

Will not start, no power with key "ON". (if

Battery disconnected or discharged?

 

Check cable connections. Charge or replace

applicable)

 

battery

 

 

 

 

 

 

 

Ignition switch/wiring defective?

 

Replace ignition switch. Check wiring.

 

 

 

 

WM70SH5C/wm70sh8c Mixer • operation and parts manual — rev. #0 (06/07/11) — page 33

Page 33
Image 33
Multiquip WM70SH8C, WM70SH5C manual Air cleaner dirty? Clean or replace air cleaner

WM70SH8C, WM70SH5C specifications

The Multiquip WM70SH5C and WM70SH8C are cutting-edge water pump models designed for construction and industrial applications. These robust machines are specifically engineered to handle a variety of heavy-duty pumping tasks, making them an essential asset for contractors and industrial operators alike.

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