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 (2) Inspect brushes. Replace brushes worn to
(3) Align coupling halves leaving a 1/8 inch gap
one-half normal length. Sand new brushes to contour of
between coupling halves.
commutator.
(4) Replace gasket that fits between coupling half
(3) Check brush spring tension. Adjust tension to 1
covers and force lubricant into gap.
pound.
(5) Install grid member by starting into slots in
(4) Check brushes to see that they move freely in
coupling halves. After grid member is partially started in
holders.
coupling halves, drive all the way in with a small hammer.
(5) Keep commutator clean.
(6) Pack grid member with lubricant in accordance
with LO 55-1925-204-12-7.
c. Removal.
(7) Slide covers into position or fasten in place with
(1) Disconnect external wiring from motor
bolts provided.
connection box and mark for assembly.
(2) Disconnect coupling (para 5-45).
NOTE
(3) Position a chain fall above motor; rig lifting
Make sure that neoprene seals are squarely
strap around motor.
seated on hubs and not pinched under
(4) Remove mounting bolts from motor foundation
cover.
and swing motor to engine room deck plates.
(8) Replace gaskets between pump and pipe
d. Disassembly.
coupling flanges and bolt in place.
(1) Remove capscrews holding fan and motor cover
5-46.
Motor
to motor frame.
a. General. The pump is driven by a 10-hp, 115-volt dc
(2) Remove end cover.
electric motor, directly coupled to the lubricating oil pump and
(3) Remove Allen head setscrew from coupling half,
mounted vertically above the pump.
and slide coupling and coupling cover from shaft.
b. Maintenance.
(4) Remove key from shaft and withdraw armature
(1) Lubricate in accordance with LO 55-1925-204-
(2, fig. 5-87) from motor.
12-7.
5-116
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