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 TM 55-1905-219-14-6
3-165.2. EXHAUST VALVE - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION (Cont)
3.
Exhaust
a. Clean the spring with fuel oil
valve
and dry with compressed air.
spring
Inspect the spring for pitted
(4)
or fractured coils. Use spring
tester and an accurate torque
wrench to check the spring load.
b. The exhaust valve spring has an
outside diameter of approximately
61/64 inch (2.4209 cm). Replace
this spring when a load of less
than 25 pounds (11.35 kg) will
compress it to 1.80 inch (4.57
cm) (installed length).
c. Inspect the valve spring seats
and caps for wear. If worn,
replace.
4.
Exhaust
Inspect the valve bridge guide, valve
valve
bridge and adjusting screw for wear.
bridge
Replace excessively worn parts.
(1) and
guide
(6)
3-2801
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