Troubleshooting and Repair Instructions
TYPE OF TROUBLE POSSIBLE CAUSE
RECOMMENDED
CORRECTIVE PROCEDURE
Main fuse or circuit breaker out
Reset breaker and change all fuses.
Overload switch tripped Push reset button.
Wire loose or broken Visually check all connections, controls
and motor.
(On timed models)
The timer inoperative Replace timer
Motor runs but will not Speed change lever loose Remove handle, install key, replace
change speed
handle and snap lock ring.
Mixer under too great a load Stop mixer, shift to another speed and
restart unit.
Shifting dog stripped or broken Gear box to be repaired after removal
to workbench.
Unit runs hot or smokes Improper voltage on motor To be checked by electrician.
or motor defective
Motor overloaded thus Have amperage draw checked by
overheating an electrician.
Gear box low on lubricant Drain out old oil, remove cover plate
(which covers the entire gear box and
motor assembly) insert three pints of
S.A.E. 50 oil in vent plug hole. (4 pints
in M5-1505 Transmission)
Attachments strike Bowl support out of adjustment Remove back inspection cover and
bottom of bowl
adjust stop bolt for bowl raising
mechanism located at base of unit.
Attachments striking side Attachments bent or bowl dented Replace damaged part.
of bowl.
Bowl will not raise The drag link spring off of drag link Remove inspection cover from back of
arm machine, replace 2" long heavy spring on
rocker guide, install nut and washer on
drag link and lock in place by tightening
nuts.
Crank casting loose on drag link Remove inspection cover in back of
shaft machine, reposition crank casting, tighten
set screws after being sure crank casting
key is in place on shaft.
Transmission operates Unit overloaded Shift to lower speed or reduce quantity
with a skipping motion
of material being mixed.
Chipped gear in gear box Remove gear box for bench repairs.
Bowl support hard to raise Bowl support binding on bowl slides Clean off bowl slides and lubricate with
and lower
light grade of oil.
Transmission operates in one Broken intermediate shaft Replace intermediate shaft (M-1-15074)
speed only and has a clicking
in transmission.
noise.
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