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 TM 55-1905-223-24-5
(c) Attach a dial indicator to the housing and locate the stem or plunger, from the indicator, on the
outer machined area of the end of the clutch shaft. Mark a spot next to the indicator stem.
(d) Apply a pushing force of 200 pounds while turning the shaft two complete revolutions in each
direction (the weight of the shaft can be counted as part of the 200 pounds). With the pushing
force applied, stop the plunger or stem next to the mark and zero the dial indicator.
(e) Apply a pulling force of 200 pounds (compensate for shaft weight) to the shaft and rotate, with
force applied two complete revolutions in each direction. Stop with force applied and mark next
to plunger or stem of the dial indicator. The indicator reads the actual end play.
(f)
Adjust nut to obtain the desired end play. Recheck final end play with the dial indicator as
described. Lock nut when play adjustment is between 0.004 and 0.007 inch on the SL111 HP2.
j. After adjustment, install the retainer lock (30, FIGURE 3-55) and secure the lock (30) to the clutch
housing (44) with a capscrew (28) and lockwasher (29). Tighten the capscrew to 21-24 ft-lb torque. Be
sure to lubricate the main bearings through the housing fitting near the shaft exit.
k. Install the lubrication fitting (38) in the rear (output) end of the clutch shaft (if used).
l. Set the clutch hub and back plate assembly on the bench with the hub section facing up.
m. Install four levers (11) and pins (12) in the hub and back plate (8). Secure the levers (11) and pins (12)
to the plate (8) with four cotter pins (14). Spread the cotter pins.
n. Install the driving plate (7) onto the hub and back plate.
o. Install the floating plate (8) onto the hub and back plate (5) against the driving plate (7).
p. Use four pins (13) and cotter pins (15) to attach eight links (16) to the finger levers (11). Spread the
cotter pins. When the cotter pins are spread, the radius of the pin ends must not be greater than 0.31
inch. This is necessary to prevent operating interference.
q. Install the eight spring bolts (10) and pressure springs (9) through the floating plate and into the hub
and back plate. Tighten the spring bolts until their shoulders contact the hub and back plate; then,
tighten them to 160-175 ft-lb torque.
r. Assemble the collar (19) halves and shims (20) to the sliding sleeve (17) with the two capscrews (22)
and two hex-nuts (18). Tighten the hex-nuts to 38-42 ft-lb torque. Install the two guide pins (6) with
flats into the sliding sleeve (17) if they were removed during disassembly.
3-85
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