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 TM 55-1905-219-14-11
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 conditions 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 an-d 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.
5-954
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