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Step 15 b. Remove the o-ring (936Z) after you can
see it through the hole in bearing plate
(102). Use a sharp scribe or needle
vise and poke the point into the o-ring
(936Z) and twist it out of its seat in the
lube pump (A160) and through the hole
in bearing plate (102). Replace o-ring
with new item. Remove the o-ring
(936Y) and (936TQ) from the bearing
plate (102) replace with new items.
Step 16
Remove the lube pump assembly (A160)
from the bearing plate (102). To achieve
this, the mechanic must grasp the top of
the lube pump shaft with their fingers and
pull straight up and out on that shaft.
Remove the pressure relief valve (175)
from the top of the bearing plate (102)
Inspect the pressure relief valve (175) for
any foreign matter. If any particles or
sludge is found replace with a new
pressure relief valve (175). Remove 1/2”
NPT pipe plug (924M) from the top of the
bearing plate (102).
(underside of bearing plate shown)
Step 17 Remove the vibration key-phasor probe
from the bearing bracket and then remove
gearbox bearing plate (102).
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