WINCH MOTORS
SUB-SECTION 5K
bearings at the bottom of the body.
NOTE
NOTE
Two different types of isolation plates are used in this
motor. Close examination of the plates will show that
Two different types of isolation plates are used in this
two plates (item 7) have square edges and two plates
motor. Close examination of the plates will show that
(item 18) have rounded edges.
two plates (item 47) have rounded edges and the
other plates (item 42) have square edges.
3. Install isolation plates (47) so that the rounded edge
15. Install isolation plates (18) so that rounded edge enters
enters the body first.
the body first.
16. Install center separator (23), end separators (22), and
4. Install center separator (51), end separators (52) and
sealing strips (19) in the bottom of the body.
sealing strips (48) in the bottom of the body.
17. Lubricate pressure plate (17) with clean hydraulic oil
5. Lubricate pressure plate (45) with clean hydraulic oil
and place the pressure plate, bronze side up, in the opening
and place the pressure plate. bronze side up, in the opening
of the body as level es possible. Carefully slide the pressure
of the body as level as possible. Carefully slide the pressure
plate to the bottom of the body. Do not force the plate
plate to the bottom of the body. Do not force the plate
into position.
into position.
18. Install gear (16) in the bore nearest you. Do not drop
6. Install gear (44) in the bore nearest you. Do not drop
the gear into place, as this will damage the bronze on the
the gear into place, as this will damage the bronze on the
pressure plate. Position the gear so that a valley between
pressure plate. Position the gear so that a tooth lines up
two gear teeth line up with the locating dowel nearest you.
with the locating dowel nearest you. Install gear (43) with
Install gear (15) with the long journal up in the opposite
the long journal up in the opposite bore.
bore.
7. Lubricate pressure plate (42) with clean hydraulic oil
19. Lubricate pressure plate (14) with clean hydraulic oil
and place it, bronze side down, over the protruding end of
and place it, bronze side down, over the protruding end of
the gears and into the opening. Carefully slide the pressure
the gears and into the opening. Carefully slide the pressure
plate into the body.
plate into the body.
8. Install isolation plates (35), center separator (40), end
20. Install isolation plates (7). center separator (12), end
separators (39) and sealing strips (36).
separators (11), and sealing strip (8).
9. Install O-ring (37) and back-up rings (39) on steeI rings
21. lnstall seal (2) in the bore of mounting flange (5). Press
(41). Hold the rings in place with a small amount of clean
the seal into position using a suitable driver and press.
grease.
Install snap ring (1).
10. Coat O-ring (34) with a small amount of clean grease
22. Install O-rings (10) and back-up rings (9) on steel ring
and install the O-ring in its groove in the valve housing (29).
(13), which are in mounting flange (5).
Carefully install valve housing (29) on the rear section of
the motor.
23. Coat O-ring (6) with a small amount of clean grease
and install the O-ring in its groove on mounting flange (5).
11. Coat O-ring (54) with a small amount of clean grease
Install the mounting flange on body (24).
and install the O-ring in its groove in end cover (55). Care-
fully lift the rear motor section and valve housing, and
24. Install a nut (3) and lockwasher (4) on two studs which
install end cover (55). Install two nuts (57) and lockwasher
are 180 degrees apart. Tighten the nuts to 175 ft-lbs (24.2
(56) on studs which are 180 degrees apart. Tighten the nuts
m-kg).
to 175 ft-lbs (24.2 m-kg).
25. Attach a torque wrench to the drive shaft and rotate
12. Install snap rings (27) in coupling (28) if they were
the shaft. The shaft will be tight, but should turn with a
removed Install the coupling on the end of gear (44).
maximum of 5 to 10 foot-pounds of torque (0.69-1.38
m-kg). If the shaft will not turn with 5 to 10 foot-pounds
13. Coat O-ring (26) with clean grease, and install the
(0.69-1.38 m-kg) of torque, the motor should be disas-
O-ring in its groove in body (24). Install body (24) on valve
sembled, inspected, and the problem corrected before
housing (29), with the mark made in step 7 of disassembly
installing the remaining nuts and lockwashers.
facing you.
14. Lubricate the inside of body (24) with clean hydraulic
26. If the shaft turns properly, install the remaining nuts (3
oil. Install the O-rings (21) and back-up rings (20) on the
and 57) and lackwashers (4 and 56). Tighten the nuts to
bearings at the bottom of the body.
175 foot-pounds (24.2 m-kg).
5K-12
