BPU 2440/2950 Repair Repair Procedures
wc_tx000329gb.fm 39
5.10.7 Remove piston assembly (15) from drive shaft by placing on a wooden
V-block (c). The block should have a hole drilled in it for the guide pin
(11). Press guide pin (d) (DO NOT HAMMER) through shaft until
piston (e) can be removed.
Spin head (23) of piston assembly by hand and check condition of
small bearings (25) inside. Head should rotate smoothly with no side
play. If necessary, remove retaining ring holding head and replace
bearings.
5.10.8 Press idler shaft from exciter.
5.10.9 Use an arbor press or puller to remove bearing race and idler gear
(20).
wc_gr001443
a
wc_gr001444
b
f
d
e
c
wc_gr001445
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