Page 97 of 1701
REPAIRFORCOMPONENT PARTS
High Clutch
SEC. 315
Fa< th.oumh" of,Iuloh ,h.of. (d".,pI".... dd,I ...
PI'@(if)
,,',' to
fh'
"'ow
010.... ""00. ~)~
Driven
plate
Retaining plate* Input
shaft assembly
(High clutch drum)
Except model34X81
Snap ring
f:1
m
@•
Apply petroleum jelly.
@.
ApplyATF
* ;Select proper thickness. Retaining
Snap ring
l
Driven
plate
-- Drive plate Retaining
plate*-
Model
34X81
Driven
plate
1.5
mm
(0.059
in)
Driven plate
i
2.0
mm
•.•. (0.079
in)
SAT0841
•
Nylon cloth
SAT176D
Input shaft
1/5'"
hog
SAT177D DISASSEMBLY
1. Check operation ofhigh clutch.
a. Apply compressed airtooil hole ofinput shaft.
• Stop upahole onopposite sideofinput shaft.
b. Check tosee that retaining platemoves tosnap ring.
c. Ifretaining platedoesnotcontact snapring,
• O-ring mightbedamaged.
• Oilseal might bedamaged.
• Fluid might beleaking pastpiston checkball.
2. Remove sealrings frominput shaft.
AT-97
Page 98 of 1701
Snapring,
REPAIR
FORCOMPONENT PARTS
High Clutch (Cont'd)
3. Remove snapring.
4. Remove driveplates, drivenplatesandretaining plate.
SAT178D
5.Set Tool onspring retainer andremove snapringfrom high
clutch drumwhile compressing returnsprings.
• Set Tool directly abovesprings.
• Donot expand snap
ring
excessively.
6. Remove springretainer andreturn springs.
• Donot remove returnsprings fromspring retainer.
SAT617H
7.Remove pistonfromhighclutch drumbyturning it.
8. Remove O-ringandoilseal from piston.
SAT139E INSPECTION
Reverse clutchsnapring,spring retainer andreturn
springs
• Check fordeformation, fatigueordamage.
• Replace ifnecessary.
• When replacing springretainer andreturn springs, replace
them asaset.
AT-98
Page 99 of 1701

•
Seal
ringclearance
• Install newseal rings ontoinput shaft.
• Measure clearance betweensealringandring groove.
Standard clearance:
0.08 -0.23 mm(0.0031 -0.0091 in)
Allowable limit:
0.23 mm(0.0091 in)
• If
not within wearlimit,replace inputshaftassembly.
REPAIR
FORCOMPONENT PARTS
High Clutch (Cont'd)
High clutch driveplates
• Check facingforburns, cracks ordamage.
• Measure thickness offacing.
Thickness ofdrive plate:
Except model34X81
Standard value2.0mm (0.079 in)
Wear limit1.8mm (0.071 in)
Model 34X81
Standard value1.6mm (0.063 in)
Wear limit1.4mm (0.055 in)
SAT162D •
Ifnot within wearlimit,replace.
High clutch piston
• Make surecheck ballsarenotfixed.
• Apply compressed airtocheck balloilhole opposite the
return spring. Makesurethere isno air leakage.
• Apply compressed airtooil hole onreturn spring sideto
make sureairleaks pastball.
Facing
Core plate
Check airflows
through ball
hole. SAT186D
Input shaft
I
I
Check airdoes not
flow through
ball hole.
SAT187D
ASSEMBLY
1. Install O-ringandoilseal onpiston.
• Take carewiththedirection ofthe oilseal.
• Apply ATFtoboth parts.
2. Install pistonassembly byturning itslowly.
• Apply ATFtoinner surface ofdrum.
AT-99
Page 100 of 1701
REPAIRFORCOMPONENT PARTS
High Clutch (Cont'd)
3. Install returnsprings andspring retainer onpiston.
- Spring
retainer
Snap ring:
Snap ring
Feeler
gauge
SAT191D
4.Set Toolan springretainer andinstall snapringwhile com-
pressing returnsprings.
• Set Tool directly abovereturnsprings.
--j
I
SAT617H
•Donot align snapringgapwith spring retainer stopper.
Snap ring
SAT1930
5.Install
drive
plates,
driven
platesandretaining plate.
• Take carewiththeorder anddirection ofplates.
6. Install snapring.
7. Measure clearance betweenretaining plateandsnap ring.
If not within allowable limit,select proper retaining plate.
Specified clearance:
Standard 1.4-1.8 mm {O.055 •0.071 in}
Allowable limit{Except model34X81} 2.4mm {O.094
in}
Allowable limit(Model 34X81)2.6mm (0.102 in)
Retaining plate:
Refer toSOS, AT-168.
SAT1990
AT-100
Page 101 of 1701
Applypetroleum jelly REPAIR
FORCOMPONENT PARTS
High Clutch (Cont'd)
8. Check operation ofhigh clutch.
Refer to"DISASSEMBLY" in"High Clutch", AT-97.
SAT196D
9.Install sealrings toinput shaft.
• Apply petroleum jellytoseal rings.
SAT197D
/ Thick paper
Tape
SAT198D •
Roll paper around sealrings toprevent sealrings from •
spreading.
AT-101
Page 102 of 1701
andOverrun Clutch
REPAIR
FORCOMPONENT
Forward Clutch PARTS
Spring retainer Overrun
clutch
piston
CD
Snap ring
~ Retaining plate
*
~ Drive plate
o
Driven plate
CID
Dish plate
Oilseal~~
.~
* :
Select
@D:
Applyx~~per thickness.
SAT942HA
DISASSEMBLY
1. Check operat'
~: ~;t~" bearin~o~e~~i~:;ard clutchandov
c. Ch~:k ~ompressed airt~n forward ciutch,;;run clutch.
o see that
011
hole off rum.
retaining plateorwardclutchd
. movestos rum.
nap ring.
Bearing
retainer
•
• •
If
r~taining plated
D~nng mightboesnotconta
0,1
seal m"hedamaged ctsnap ring
F
ig
t
b d' '
luid might beamaged
e leak' '
mg past piston ch
eck ball.
AT.102
Page 103 of 1701
SAT205DSAT203D
SAT204D
4.
Remove snapringforoverrun clutch.
5. Remove driveplates, drivenplates, retaining plateanddish
plate foroverrun clutch.
6. Set Tool onspring retainer andremove snapringfrom for- •
ward clutch drumwhile compressing returnsprings.
• Set Tool directly abovereturn springs.
• Donot expand snapringexcessively.
7. Remove springretainer andreturn springs.
8. Remove forwardclutchpiston withoverrun clutchpiston
from forward clutchdrum
by
turning it.
9. Remove overrunclutchpiston fromforward clutchpiston by
turning it.
SAT216D
REPAIR
FORCOMPONENT PARTS
Forward ClutchandOverrun Clutch(Cont'd)
2. Remove snapringforforward clutch.
3. Remove driveplates, drivenplates, retaining plateanddish
plate forforward clutch.
Snap ring
AT-103
Page 104 of 1701

SAT140E
REPAIR
FORCOMPONENT PARTS
Forward ClutchandOverrun Clutch(Cont'd)
10. Remove D-ringsandoilseals fromforward clutchpiston
and overrun clutchpiston.
@
@
Oilseal
@
@'r:rY;)
, ~~o
~~o:~::'"
"'Ioh
pi","
l\~)t
D-rlng
Overrun clutch piston
INSPECTION
Snap ringsandspring retainer
• Check fordeformation, fatigueordamage.
Forward clutchandoverrun clutchreturnsprings
• Check fordeformation ordamage.
• Measure freelength andouter diameter.
Inspection standard:
Refer toSOS, AT-169.
• Replace ifdeformed orfatigued.
Q
(Length)
SAT138D
Facing
Core plate
SAT162D
t
Forward
clutchandoverrun clutchdriveplates
• Check facingforburns, cracks ordamage.
• Measure thickness offacing.
Thickness ofdrive plate:
Forward clutch
Standard value1.8mm (0.071 in)
Wear limit1.6mm (0.063 in)
Overrun clutch
Standard value1.6mm (0.063 in)
Wear limit1.4mm (0.055 in)
• Ifnot within wearlimit,replace.
Forward clutchandoverrun clutchdishplates
• Check fordeformation ordamage.
• Measure thickness ofdish plate.
Thickness ofdish plate:
Forward clutch2.35-2.65 mm(0.0925 -0.1043 in)
Overrun clutch2.00-2.30 mm(0.0787 -0.0906 in)
• Ifdeformed orfatigued, replace.
SAT163D AT-104