PAGE 9
OPERATOR'S MANUAL
HOLMAN CONVEYOR BAKERS
MODEL MM14
MAINTENANCE PROCEDURES CONT.
C. REPLACING BELT DRIVE MOTOR
1. DISCONNECT UNIT FROM POWER SOURCE.
2. Remove power supply side panel and control box cover as described in section B
in
previous
procedure.
3. Remove sprocket from motor shaft by loosening the
allen screw on the sprocket collar.
4. Disconnect the Drive Motor leads to the internal wiring. Motors are rated 208
Volts or 240 Volts, note which color leads are being used for these
connections and which lead is capped with white tape. The new Drive Motor
should use the same arrangement.
5. Remove the four screws that hold the Drive Motor in place.
6. Put the new motor in place and loosely attach with the four screws
removed from step 5.
7. Replace the Sprocket onto the motor shaft, then replace the Drive Chain onto the sprockets.
DRIVE SPROCKET WITH SET SCREW
DRIVE MOTOR
DRIVE MOTOR
MOUNTING SCREW
CUT AWAY VIEW OF DRIVE MOTOR
IN CONTROL BOX.
8. Slide the Drive Motor until the Drive Chain has about 1/8" slack when
lightly pushed at the center of its top open run. Tighten the Drive Motor
screws.
9. Rewire the Drive Motor as described in step 4 above. Replace the panels and test
for
proper
operation.
MAINTENANCE PROCEDURES CONT. PAGE 10
REVISED 7/9/01 MJC