(7) Replace bearing plate.
b. Inspect bearing for excess radial and end
(8) Replace timing gears if applicable,
play. Replace if required.
Caution: DO NOT CLEAN BEARINGS IN
(9) Check timing and retime if required,
SOLVENT. WIPE CLEAN WITH A CLEAN
refer to paragraph 6-3.
CLOTH.
(10) Replace gear case if applicable.
c. Installation
(11) Lubricate in accordance with the
(1) Clean the bearing bore in the head
current lubrication order.
plate with an approved solvent (fig.
6-6. Impeller Shaft Assembly
(2) Clean the outer race of the bearing
a. Removal
with an approved solvent, but do not
(1) Drain gear case.
submerge the bearing in the solvent,
(2) Remove gear case.
(3) Remove timing gears, (para 6-4).
(3) Re-assemble headplate to impeller
(4) Remove bearing plate.
(5) Remove gear-end bearings, (para 6-
(4) Spread a thin coat of Lot-tight bear-
ing mount on the bearing bore in the
(6) Secure drive-end headplate to work
gear end headplate and on the outer
bench.
race of the bearing.
(7) Remove bearing plate and spring
(5) Insert the bearings in the shaft and
washer.
press fit into position, using a short
(8) Remove impeller shaft assembly by
striking the impeller shaft with a
length of pipe as the driving tool. The
hammer and brass punch as illustrate
inner race of the bearings must make
contact with the sleeves, (fig. 6-2).
ed in figure 6-9.
b. Inspect the impellers excessive erosion
(6) Replace spring washers if applicable,
and other damage.
6-6
