Sundyne LMC 341F - Performance Checks; Key Performance Parameter Verification

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Step 26 Remove the oil filter (185) if applicable.
Step 27 Remove the 1/4” NPT socket pipe plugs
(924GB) and (924G) from the lower
gearbox housing (101A)
Step 28 Remove o-rings (936TT) and (936T) and
(936YA) from the lower gearbox housing
(101A) and replace with new items
(936TT), (936T), and (936YA).
Step 29 Remove socket head cap screws
(905AB) from the upper idler journal
bearing (151D) located in the upper
gearbox housing (101B).
Step 30 Insert a 1/2” square drive 1.0” socket into
the center of the upper idler journal
bearing with the 1/2” square drive
pointing toward the thrust face of the
upper idler journal bearing (151D).
Step 31 Remove the upper idler journal bearing
(151D). Use a bearing puller. Thread two
1/4-20 screws into the top of the upper
idler journal bearing. Insert the bearing
puller into the upper idler journal bearing
with the jack screw located against the
1/2” square drive hole in the socket and
pull the upper idler journal bearing
(151D) out of its location. Inspect the
upper idler journal bearing for any
unusual wear, rubs scratches and burns.
If any abnormalities are found replace the
upper idler journal bearing (151D) with a
new item.