SUB-SECTlON 5K
WINCH MOTORS
rings (13). Remove isolation plates (7), sealing strips (8),
DISASSEMBLY. To disassemble the motor proceed as
end separators (11), and center separator (12).
follows (see Figure 5K-7):
1. Clean the outside of the motor with a suitable solvent.
7. Mark the side of body (24) nearest gear (16). Grasp the
Matchmark the sections of the motor to assure correct
gear, and lift it slightly with a quick, upward motion to
reassembly.
dislodge pressure plate (14). Remove the pressure plate.
2. Clamp the motor, output shaft up, across the motor
8. Remove gear (16) and gear (15) from body (24).
ports in a vise having protective jaws.
9. Place the thumb of each hand in the gear bores of pres-
3. Remove capscrews (3) and lockwashers (4). Coat the
sure plate (17), and carefully lift the pressure plate straight
end of the output shaft with clean grease. Lift mounting
out of body (24). Do not force or pry the pressure plate
flange (5) straight up until it clears the end of the output
when removing it.
shaft, and then remove the mounting flange.
10. Remove isolation plates (18). sealing strips (19), back-
up rings (20), O-rings (21), end separators (22), and center
NOTE
separator (23) from body (24).
INSPECTION. After the motor has been disassembled,
It may be necessary to tap the mounting flange with a
wash all parts in a suitable solvent and dry with compressed
wooden mallet or plastic hammer to loosen it.
air. All parts should be visually inspected for excessive
wear, cracks, or any other damage which would make them
4. Remove snap ring (1). Place the mounting flange on
unfit for further service, with particular attention to the
wooden blocks with seal (2) facing down. Using a suitable
following:
pin punch and hammer, tap around the edge of the seal
until it can be removed.
1. The gears will wear a groove in the sides of the body
section (item 24) of the motor. The depth of this groove
5. Remove O-ring (6) from the mounting flange.
should be measured. If the depth of the groove is more then
0.005 inch (0.127 mm), the motor must be raplaced.
6. Remove back-up rings (9) and O-rings (10) from steel
Figure 5K-7. Motor (41Q7)
5K-7
