Paragraph 104 (Cont.)
CASE/INTERNATIONAL
Ib disassemble the removed Power Shift unit, re-
fer to Fig. 95 and proceed as follows: Clamp clutch
shaft (28) in a soft jawed vise. Remove snap ring (7),
then using a suitable puller, remove clutch assembly
(8 through 19) and (33 through
37).
Remove Woodmff
key (29) from clutch shaft (28) and slide low drive
gear (30) with sprague clutch (31) and oil seal (32).
Remove oil seal and sprague clutch with brass cup
from low drive gear. Remove snap ring (26) and slide
housing (21) from shaft. Unlock and remove the two
seal rings (23), remove snap ring (24), press bearing
(25) from shaft and remove thrust washer (27).
Place clutch assembly in a press and compress
reduction side clutch plates, then remove retaining
ring
(33).
Remove back plates (34 and 37) clutch discs
(35) and separator plates (36). Turn clutch cup (16)
over and pry out retaining ring (8). Remove back
plates (9 and 12), clutch discs (10) and separator
plates
(11).
Using an Allen wrench, remove pressure
plate bolts (19) and nuts. Remove pressure plate (18),
Belleville washers (17), piston (13) and three wash-
ers from clutch cup. Remove *'O" rings (14 and 15)
from piston.
Clean and inspect all parts and renew any show-
ing excessive wear or other damage. When reassem-
bling, use all new *'O*' rings, seal rings and oil seals
and reverse disassembly procedure keeping the fol-
lowing points in mind: Before installing new friction
discs (10 or
35),
soak discs in clean Hy-Tran Plus flu-
id for three minutes. Using a micrometer, measure
thickness of low clutch components; retaining ring
(33),
back plates (34 and 37), three friction discs (35),
two separator plates (36) and pressure plate (18).
Measure the stack in four places. The thickest meas-
urement will be dimension
'
W. Correct thickness for
dimension *'A" is
1.042-1.055
inches (26.466-26.797
mm).
Refer to chart in Fig. 96 and select shim as re-
quired to obtain dimension
*
'A''.
Shims are available
in thicknesses of 0.014 inch (0.355 mm), 0.024 inch
(0.609 mm) and 0.036 inch (0.914 mm).
Use petroleum jelly to stick the three washers in
piston side of housing. Lubricate new '*0" rings (14
and 15—Fig. 95) on piston with petroleum jelly and
install piston in clutch cup. Tum clutch cup (16) over
and install the three Belleville washers (17) so con-
cave side faces outward. Aligning the holes, install
Fig. 91—With dutch reiease sleeve carrier removed,
withdraw pto drive shaft and
gear.
Fig. 93—View of snap ring and spiined gear installed on
front of direct drive
gear.
Fig.
92—Removal
of
two
speed Power
Shift
unit
from front
of speed gearbox.
Direct Drive
Gear Assenbly
Fig. 94—Remove direct drive gear assembly as shown.
60
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