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 TM 55-1905-220-14-11
5-70. GOVERNOR - MAINTENANCE INSTRUCTIONS (Continued).
LOCATION
ITEM
ACTION
REMARKS
INSPECTION
5.
Governor
Wear eye protection when using compressed air.
a. Clean all parts with fuel oil and dry with
compressed air.
b. Inspect all governor components and replace
worn or damaged parts.
c.
Revolve the operating shaft bearing (40) and the
governor weight shaft bearing (56) slowly by hand;
replace bearings if rough or tight spots are detected.
d. Inspect the operating shaft (38) and shaft bushing
(45) for excessive wear, and replace if necessary.
e. Examine the riser thrust bearing (57) for excessive
wear, flat spots or corrosion. If any of these con-
ditions exist, install a new thrust bearing assembly.
f.
Inspect the needle bearings (17), bushing (45) and
operating shaft for excessive wear or flat spots.
If one or both conditions exist, install new bearings
and control shaft.
g. Inspect the spring lever shaft (80) and bearings
81 and 83) for excessive wear or flat spots at
bearing surface. If one or both conditions exist,
install a new shaft and bearing.
h. When installing a new bearing in the spring housing
assembly (20), note that the roller type bearing
rides on a hardened bearing pin and is a press-fit
in the spring housing assembly. When installing
the roller type bearing, the pressed-in pin is to
have equal protrusion on both sides of the lever.
i.
Examine the weight carrier pins (60) and bearings
(63) for excessive wear and flat spots. If either
of these conditions exist, install new parts.
5-956
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