Troubleshooting (Engine/mixer)

Practically all breakdowns can be prevented by proper handling and maintenance inspections, but in the event of a breakdown, please take remedial action following

the diagnosis based on the Troubleshooting Tables If the problem cannot be remedied, please leave the unit just as it is and consult or company's service department.

Troubleshooting (Mixer)

Symptom

possible problem

Solution

 

Worn or defective V-belt?

Replace V-belt.

 

Adjustment lever mis-aligned?

Check position of adjustment lever.

 

Adjust if necessary.

 

 

Blades will not rotate.

Material load too heavy, exceeding

Reduce amount of material being

mixer capability?

mixed.

 

 

Object stuck inside mixing drum,

Stop engine. Empty out drum

 

jamming paddle rotation?

contents. Remove obstruction.

 

Improper engine speed?

Check and adjust engine speed.

Material leaking from drum ends.

Worn or defective paddle shaft seals?

Replace seals.

 

Defective or worn drum support

Apply grease to bracket or replace.

 

brackets?

Drum diffi cult to discharge (tilt).

 

Blades adjusted too tight.

Adjust blades until they almost touch

 

 

side walls of drum.

 

 

Troubleshooting (electric Motor)

Symptom

possible Cause

Solution

 

Is there power?

Check power source. Check reset

 

button.

 

 

 

Is power cable plugged in?

Plug in power cable.

 

Is ON/OFF switch placed in ON

Place ON/OFF switch in ON position.

Electric motor will not start.

position?

 

 

Defective electric motor ON/OFF

Replace switch.

 

switch?

 

 

 

Defective motor windings?

Repair windings or replace windings.

 

Defective extension cord?

Replace extension cord.

Electric motor continuously stops.

Reset button OK?

Check power source.

Electric motor RPM's too low.

Low voltage?

Check input voltage.

Electric motor RPM's too high.

High voltage?

Check input voltage.

WM45H/E PLASTER MORTAR MIXER • operation and parts manual — rev. #0 (09/27/12) — page 25

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Multiquip Model WM45H manual Troubleshooting Engine/mixer, Troubleshooting Mixer, Symptom Possible problem Solution