TM 10-4320-344-24
4.4.10 Flywheel Maintenance, Models 609-C and US636HCCD-1.
(Continued)
To avoid burns, or other injury to personnel, do not touch heated ring. Use
tongs when handling heated ring gear.
Do not overheat ring gear.
Overheating ring
ring gear may cause damage to equipment.
(3) Heat replacement ring gear (4) to 248°F
NOTE
Place beveled side of ring gear teeth
gear may cause warpage.
Warped
(120°C).
facing away from flywheel.
(4) Place heated ring gear (4) on flywheel (2).
Quickly drive ring gear (4)
until it seats against shoulder of flywheel (2).
c .
Inspect all mounting hardware for damage.
d.
Replace all damaged or defective components.
4.4.10.3 Installation.
a .
Position flywheel (2) on crankshaft (3) and install ten flywheel mounting
screws (1).
Preload screws (1) to 22 ft-lbs (30 N•m).
b .
Using angle-of-turn indicator, tighten screws (1) 30° first stage.
c .
Tighten screws (1) an additional 30° second stage.
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