Scotsman MAR1400 - Manual (Page 29)

Adjustment & Removal & Replacement Procedures
3. REMOVAL AND REPLACEMENT OF THE
DRIVE MOTOR
A. To remove the drive motor assembly:
1) Remove screws and front, top and right side
panels.
2) Slid-off V belt from motor pulley.
3) Loosen and remove hex head screw securing
the pulley to motor shaft.
4) Disconnect wire leads to motor.
5) Remove two hex head bolts, lock washers and
washer, and nut which attach the sleigh support
plate of motor to the side frame of evaporator drum
basin.
6) Lift the sleigh plate with the drive motor out of
the Chassis.
7) Loosen and remove 4 Nuts securing the motor
to the sleigh plate.
B. To replace the Drive Motor Assembly reverse
the removal procedure.
4. REMOVAL AND REPLACEMENT OF GEAR
BOX
A. Remove screws and front, top and right side
panels.
1) Slid V Belt from gear box pulley.
2) Remove screw securing pulley on gear box
input shaft.
3) Remove four nuts and washers which secure
the gear box to the evaporator basin side frame.
4) Gently tap on the gearbox with a mallet to
loosen it from its mounting position.
5) Pry with two screw drivers inserted between
basin wall and flanged end of gear box to force the
gear box away from basin wall. If you encounter
any excessive resistance in this, use a 2-jaw
puller.
6) When gear box is cleared away from the wall
where it is mounted, pull it out from cylinder shaft.
A. To install the Gear Box Assembly reverse the
removal procedure taking care to center keyway of
gear box bore to keys on cylinder shaft.
5. REPLACEMENT OF FIBER KEYS
A. Replacement of the fiber keys is only necessary
when the keys are broken and do not engage the
gear motor output shaft with the evaporator drum
drive shaft.
B. Replacement of the fiber keys requires removal
of the complete gear box.
For this operation perform all steps above in
section 4.
MAR1400 & MAR2000
December 2000
Page 29