p. Adjust the clutch assembly using the following
the gear housing on the clutch housing (58) and secure
the assembly with screws (56) and lock washers (57).
Install seal (60) into clutch housing bore.
(1) With the clutch disengaged, turn the clutch
g. Connect grease fitting (21) with hose elbows (38)
until the adjusting lock pin (28) can be reached through
and (39) and hose (40 Secure elbow (38) to clutch collar
the inspection hole in the clutch housing. Pull the pin out,
and lock in "out" position by inserting a piece of wire or
h. Place the split collar (44) and shims (43) on
small nail through the cross-drilled hole in the pin.
(2) Turn the adjusting yoke assembly in a
sleeve (37) and secure with screws (41) and nuts (42)
Tighten nuts to 38-42 ft-lb (52-57 N. m).
clockwise direction one or two adjusting holes, or until the
hand lever requires a distinct pressure.
i. Secure the eight lever links (36) to sliding sleeve
(3) Remove the piece of wire or nail from the
(37) and secure with lever link pins (35) and cotter pins
adjusting lock pin, and engage the lock pin in the nearest
(34 Secure the four finger levers (31) to adjusting yoke
(33) with lever pins (32) and cotter pins (30).
(4) Engage and disengage the clutch several
times to make certain the clutch is functioning properly.
If proper adjustment has not been accomplished, repeat
cotter pins must not extend beyond 0.38- inch
steps (1) through (3) until proper engagement and dis-
radius of the pin center after spreading.
engagement is obtained.
q. Install a new gasket (55) with cover (54) and
j. Install lock spring (29) and adjusting lock pin (28)
secure with screws (53).
in adjusting yoke (33).
r. Press bearing (71) into the bore of gear housing
k. Place hub and pate (24) on a work bench with
(72). Press shaft (13) into housing (14), making sure
the threaded hub up. Place the release springs (25),
bearing (14) is firmly against shaft shoulder. Insert shaft
friction plate (26) and floating plate (27) in position on the
and bearing assembly into ring gear (15). Install key (11)
hub and plate assembly.
and install entire assembly into position into bearing (71).
l. Install adjusting yoke (33) with the assembled
Secure with setscrew (12).
sliding sleeve (37) on the hub and plate assembly.
s. Install gear cover (9) and secure with screws (8).
Tighten the yoke until it is snug against the floating plate.
Install seal (10) and plug (7). Install gauge tube (64),
Final clutch adjustment will be made later.
gauge (63), breather pipe (62) and breather housing (61).
m. Partially install the clutch hub assembly onto
shaft (70 Align the hub and shaft keyways and install key
(66) into shaft and hub about two-thirds of the key length.
a. Refer to paragraph 2-11 and install the reduction
Lower the clutch assembly further, engaging the throwout
gear assembly as instructed.
yoke with trunnions on the collar. Tap key (66) into final
b. Install clutch lever (4) and secure with screws
(1), lock washers (2) and nuts (3).
n. Secure the clutch assembly to the clutch shaft by
installing a new hub locknut washer (20) and hub nut
(19). Seat the hub, using 30 f-lb (41 N. m) torque on
It is recommended after a new reduction gear
assembly has been installed on the engine, or
nut (19) Then tighten the nut by turning an additional 60
when the bearings have been adjusted, to tap
to 90 rotation. Bend a section of the tabbed lock washer
the shaft on the end to relieve any preloading
(20) against a flat on nut (19) after the nut is securely in
bearing when it is pressed into the flywheel.
o. Install pilot bearing (17) on clutch shaft (70).
Bearing and clearance should be 0.06 inch. Insert
c. Lubricate and fill gear housing with oil in ac-
grease fitting (21) through the hole in the clutch housing
and secure in place with lock washer (23) and jam nut
REPAIR OF CRANE PROPELLER SHAFT
given in TM 5-3810-295-12.
The propeller shaft connects the reduction gear output
shaft to the worm shaft as shown in figure 5-1.
Disassemble the crane propeller shaft in the order
shown in figure 5-3.
Remove propeller shaft in accordance with instructions