EC-42S CONCRETE MIXER — TROUBLESHOOTING (ENG./MIXER)

TABLE 9. ENGINE TROUBLESHOOTING (Continued)

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

Operation not satisfactory

 

 

 

 

 

 

Governor adjustment improper?

Adjust governor to correct lever.

 

 

 

 

Governor spring defective?

Clean or replace ignition.

Rotational speed fluctuates.

 

 

Fuel flow erratic?

Check fuel line.

 

 

 

 

 

Air taken in through suction line?

Check suction line.

 

 

 

 

 

Recoil starter not working

Dust in rotating part?

Clean recoil starter assembly.

 

 

properly.

Spring spring failure?

Replace sprial spring.

 

 

 

 

TABLE 10. MIXER TROUBLESHOOTING

SYMPTOM

POSSIBLE PROBLEM

SOLUTION

 

 

 

 

Defective ring gear?

Check that the ring gear and bearings are not worn . Replace as

 

necessary.

 

 

 

 

 

 

Defective pinion gear?

Check that the pinion gear and bearings are not worn . Replace as

Drum rotates rough.

necessary.

 

 

 

 

 

Worn V-belt?

Replace V-belt.

 

 

 

 

Loose pulley?

Tighten or replace pulley.

 

 

 

 

Incorrect or no voltage being

Check that the electric motor has the correct supply voltage.

 

supplied to electric motor?

 

 

 

 

 

 

Power to electric motor?

Inspect power source and extension cord. Push reset button on

 

electric motor. Make sure correct voltage is being supplied to motor.

 

 

 

 

 

 

 

Check level of fuel in fuel tank. Add fuel if necessary. Make sure

Drum does not rotate at all.

Fuel?

fuel is being supplied to the engine. Check to ensure that the fuel

 

filter is not clogged.

 

 

 

 

 

 

Broken V-belt?

Replace V-belt.

 

 

 

 

Defective ring or pinion gears?

Check that the gears and bearings are not broken. Replace as

 

necessary.

 

 

 

 

 

 

Defective electric motor?

Replace electric motor.

 

 

 

EC-42S CONCRETE MIXER — PARTS & OPERATION MANUAL — REV. #8 (12/16/05) — PAGE 31

Page 31
Image 31
Multiquip manual EC-42S Concrete Mixer Troubleshooting ENG./MIXER