CHAPTER 7
REPAIR OF POWER TAKEOFF ASSEMBLY
o. Remove snap ring (43), shaft (44) and lube fitting
7-1. General
(45).
The power takeoff houses the clutch, and when engaged,
p. Remove bolts (46), washers (47), bearing retainer
transmits power from the engine to the vibrator shaft
(48) and, remove bearing (49).
through the drive belt. It is a dry-running clutch with
q. Remove lube fittings (50) from housing (51).
single, one-piece molded driving disc with gear tooth
r. Remove bolts (52), washer (47), and remove driving
engagement.
ring (53).
7-2. Removal
s. Remove lock wires (54), bolts (55), washers (47),
Remove belt (1), bolts (2), and washer (3) (para 5-4).
and remove adapter (56).
7-3. Disassembly (fig. D-3)
t. Remove bearing (57).
a. Remove bushing (4), pulley (5) and key (6).
7-4. Cleaning-Inspection-Repair
b. Remove bolt (71, washer (8), and remove lever (9).
a. Clean all parts with an approved cleaning solvent
c. Remove screw (10), cover (11) and gasket (12).
and dry thoroughly.
d. Flatten washer (14). Remove nut (13) and washer
b. Inspect all parts for cracks, bad threads and
(14).
excessive wear.
e. Remove cotter pins (151 and pins (16).
c. Inspect clutch shaft bearing surface for buildup of
f. Remove hub and back plate group (15), (17), (18),
carbon. Polish with very fine emery cloth. Inspect that
(19), (20), (21), (22), (23), (24), (25) and (26) as a unit.
grease hole in end of shaft is open. Clean out with piece
g. Remove adjusting yoke group (15), (18), (23), (24),
of wire.
(25) and (26) as a unit.
d. Inspect bearing that it is smooth turning. Replace if
h. Remove floating plate (19), driving plate (20),
rough turning or-showing carbon buildup that will not
springs (21) and plate pin (22) from hub and back plate
clean off.
(17).
e.
Inspect floating and back plates for extreme
discoloration on surface that contacts driving plate.
lock pin (25) and spring (26) from adjusting yoke (17).
Replace if excessive.
j. Remove key (27).
f. Inspect driving plate for wear. Replace if wear is
k. Remove lube fittings (28), nut (29), washer (30),
greater than 1/8 inch.
hose fitting (31), hose (32) and hose fitting (33).
g. Inspect release bearing for excessive wear in the
I. Remove sliding sleeve group (15), (34), (35), (36)
groove and that the trunnions have no flat areas.
and (37).
Replace the release bearing as a unit only when
m. Remove cotter pins (15), pins (35), links (36) and
necessary.
release bearing (37) from sliding sleeve (34).
7-5. Reassembly (fig. D-3)
n. Remove bolts (38) and washers (39). Tap end of
Reassembly is the reverse of disassembly.
shaft (41) lightly until keys (401 become visible. Remove
7-6. Installation (para 5-4)
keys (40), shaft (41) and operating yoke (42).
a. Installation is the reverse of removal.
7-1
