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 TM 55-1905-223-24-3
Shim Thickness
mm
in
0.05
0.002
0.13
0.005
0.25
0.010
0.63
0.025
(6)
Remove the support and install the required number of shims and a new packing (17, Figure 3-38)
on the camshaft bearing support (14).
CAUTION
Do not use lubricating oil on the packing. The packing will increase in size when
in contact with lubricating oil. Use vegetable oil.
(7)
Lubricate the packing (17, Figure 3-38) with oil and install the camshaft bearing support (14) in the
gear cover with the screws (15).
(8)
Tighten the screws to 20 ft-lb (25 N ) torque.
M
f.
Install the plain encased seal (11), as follows:
CAUTION
The oil seal must be installed with the lip of the seal and crankshaft clean and
dry. Do not use any kind of lubricant. The use of lubricant will result in oil
leakage at the seal.
NOTE
Plain encased oil seals for service replacement have an assembly tool which
protects the seal lip during shipment and installation.
(1)
Use hand pressure to push the oil seal from the assembly tool onto the crankshaft as far as
possible. Remove the assembly tool.
(2)
Install P/N ST-1259-1 Top Plate (from P/N ST-1259 Oil Seal Puller/Installer) on the crankshaft, and
use three vibration damper mounting capscrews and flat washers.
(3)
Tighten the three capscrews alternately in 1/2-turn increments until top plate seats against the
crankshaft nose.
g. Install the crankshaft pulley and the vibration damper (paragraph 3-26).
3-82
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