TM 5-3805-280-24-2
Crankshaft, Main Bearings and Flywheel
15
45 MM SINGLE CAP SCREW MOUNTED DAMPERS
14
1. Position damper pulley on crankshaft. Handle damper
with care to avoid impact damage.
IMPORTANT: Damper pulley-to-crankshaft cap screw
must be SAE Grade 8 or higher. If a
lower grade cap screw was previously
used on engine, replace it with an
appropriate SAE Grade 8 or higher cap
screw.
2. Apply 242 Thread Lock and Sealer to cap screw (A)
A--Cap Screw
threads. Install cap screw and 12 mm (0.47 in.) thick
washer (with flat side toward crankshaft).
NOTE: Some engines are equipped with a 10 mm (0.39
in.) thick washer, but cap screw torque remains
the same.
3. Tighten cap screw (A) to specifications.
Crankshaft Damper Pulley (Single 45 mm Cap Screw Mounted)--
Specification
Torque ......................................................................... 183 Nm (135 lb-ft)
112 MM SINGLE CAP SCREW MOUNTED DAMPERS
NOTE: A Series 300 Engine head bolt is used to retain
the vibration damper.
1. Position damper pulley on crankshaft. Handle damper
with care to avoid impact damage.
2. Apply clean engine oil to threads and under head of
cap screw (A). Install washer with the flat side toward
crankshaft.
3. Tighten cap screw to specifications.
Crankshaft Damper Pulley (Single 112 mm Cap Screw Mounted)--
Specification
Initial Torque................................................................ 150 Nm (110 lb-ft)
Crankshaft Damper Pulley (Single 112 mm Cap Screw Mounted)--
Specification
Torque Turn (Final Torque)........................................................... 50--70
RG,15,DT7458 1914NOV973/3
13-192
