(18) Remove cotterpin (28), pin (27) and cam
(4) Slide spacer (33) on left end of shaft (38)
(29) from clutch shifter (16).
until snug against bearing (23).
(19) Slide clutch shifter (16) and key (17) off
(5) Press another bearing (23) on left end of
clutch spider (18).
shaft (38) until snug against spacer (33), then install
(20) Remove swing (jackshaft) clutch shoes
spacer (30).
from clutch drum (20) (TM 5-3810-201-12).
(6) Press bearing (23), with oil shield facing the
(21) Remove clutch spider (18), oil seal (19),
outside, into bore of bevel gear (32).
clutch drum (20), O-ring (21), and oil seal (22) from shaft
(7) Install oil seal (22) on hub of clutch drum
(38), then remove pins (24) from clutch spider.
(20), apply lubricant to 0-ring (21), then install into groove
(22) Remove bearing (23) and spacer (30) from
in face of clutch drum bore.
shaft (38).
(8) Press bevel gear (32) into bore of clutch
(23) Use press and remove bevel gear (32),
drum (20) until tight against shoulder, then install oil seal
bearing (23), and spacer (33) from shaft (38).
(19) into bore of bevel gear (32).
(24) Remove keys (36) and (37), then slide
center bearing housing (35) off shaft (38).
CAUTION
(25) Remove retaining ring (43), bearing (41)
from center bearing housing (35).
Exercise care in pressing bevel gear
(26) Remove fitting (46) and bushing (47) from
and clutch drum onto bearing (23).
bearing retainer (50).
Do not bind bearing. Assure that
(27) Remove pin (63) and washer (64) from
clutch drum inner surface has been
shifter collars (14).
checked for round. Runout must not
(28) Remove fitting (1) from bearing retainer (2).
exceed 0.005 inch.
c. Cleaning, Inspection, and Repair.
(9) Apply a heavy coat of grease on spacer (30)
then press clutch-drum and bevel gear on shaft (38) and
(1) Clean all parts and dry thoroughly.
onto bearing (23) installed in step (5) above, until it is
(2) Visually inspect shifter, shifter collars,
snug.
(10) Press pins (24) into clutch spider (18),
excessive wear, chipped teeth, scoring burs, or other
install key (17) in keyway, then install clutch shifter (16)
defect. Inspect clutch drums for cracks, breaks, or wear.
on hub of clutch spider (18). Install cam (29) on clutch
Inspect brake or clutch shoe linings for wear. Replace
shifter (16), insert pin (27), then secure with cotterpins
linings when worn to within 1/16 in. of rivet heads.
(28).
Inspect shaft for wear and straightness.
Inspect
(11) Install two halves of shifter collar (14) on
mounting hardware for damage or defect.
clutch shifter (16) and secure with two capscrews (15),
(3) Repair by straightening bends, welding
lockwashers (25) and nuts (26).
cracks, or replacing defective parts or mounting
(12) Install clutch shoes (TM 5-3810-20112).
hardware. Replace all damaged oil seals and lubrication
(13) Slide cork gasket (13) and washer (12) on
fittings. Replace brake (or clutch) shoe lining that is
shaft (38).
excessively worn.
(14) Slide spacer (11) on shaft (38) until tight
against washer (11). Install key (36) in keyway on shaft
d. Reassembly.
(38); press gear (10) on shaft (38), then install spacer
(9).
(1) Heat bearing (23, fig. 4-7) to 300 F. then
(15) Install bearing housing (8) on shaft (38).
slide on shaft (38) from end opposite spline until center
Heat bearing (6), then slide on shaft (38), until tight
of bearing is 11 inches from outer keyway.
against spacer (9).
(2) Heat bearing (41) and install in center
(16) Install washer (5), nut (3), and secure nut
bearing housing (35) until snug against the shoulder.
with cotterpin (4). Install bearing retainer (2), then install
Secure with retaining ring (42).
fitting (1) in retainer.
(3) Position bearing housing (35) on center of
(17) Slide spacer (33) on splined end of shaft
bearing (23) installed in (1) above, then position key (37)
(38) until it is snug against bearing (23)
in keyway on shaft (38).
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