TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 824 of 1258
1 7 - 1 3 . TRANSMISSION ASSEMBLY FROM SUBASSEMBLIES (3L80)
This task covers:
a.
Rear Band
k.
Detent Solenoid
b.
Gear Unit and Center Support
l.
Front Servo
c.
Establish Rear End Play
m.
Rear Servo
d.
Intermediate Clutch
n.
Control Valve
e.
Front Band
o.
Governor
f.
Manual Linkage
p.
Oil Filter
g.
Direct Clutch
q.
Oil Pan
h.
Forward Clutch and Turbine Shaft
r.
Holding Fixture
i.
Oil Pump
s.
Torque Converter
j.
Establish Front End Play
CAUTION
All transmission parts must be lubricated with clean transmission
fluid before assembly. Foreign material will cause transmission
damage.
NOTE
• During assembly operations, it is important to closely inspect
each unit to make sure nothing has been overlooked during
inspection and repair. Plugs should be checked for tightness,
parts kept clean, openings covered, and machined surfaces
protected. Application of lubricant should be performed from
covered containers.
• For general assembly instructions, refer to para. 2-16.
• Install transmission holding fixture (para. 17-3.b.).
• If using new transmission case, discard blue plug and copper
plug that are packaged with transmission case. These plugs are
not required on M998 and M998A1 vehicles.
• The speedometer drive opening must be plugged with seal plug
P/N 8623463 on new transmission case.
INITIAL SETUP:
Applicable Models
All vehicles except: M997A2, M1025A2,
M1035A2, M1043A2, M1045A2, M1097A2,
M1123
To o l s
General mechanic's tool kit:
automotive (Appendix G, Item 1)
Dial indicator (Appendix G, Item 95)
Special To o l s
Band apply pin selector gauge
(Appendix G, Item 37)
Slide hammer adapter (Appendix G, Item 32)
Gear unit holding tool (Appendix G, Item 31)
Intermediate clutch alignment tool
(Appendix G, Item 38)
Torque adapter, 9/16 in. (Appendix G, Item 109)
M a t e r i a l s / P a rt s
Oil pump gasket (Appendix E, Item 34)
Six seal washers (Appendix E, Item 198)
Oil pan gasket (Appendix E, Item 36)
Governor cover gasket (Appendix E, Item 32)
M a t e r i a l s / P a rts (Cont'd)
Control valve gasket (Appendix E, Item 33)
Oil filter (Appendix E, Item 121)
O-ring seal (Appendix E, Item 100)
Rear servo cover gasket (Appendix E, Item 31)
O-ring seal (Appendix E, Item 114)
Manual shaft seal (Appendix E, Item 158)
Three composition clutch plates
(Appendix E, Item 134)
Transmission fluid (Appendix B, Item 23)
Petrolatum (Appendix B, Item 38)
Two guide pins (Appendix C, Fig. 2)
Center support assembly (Appendix E, Item 5.1)
Personnel Require d
One mechanic
One assistant
Manual Refere n c e s
TM 9-2320-280-24P
Maintenance Level
General support
TM 9-2320-280-34
1 7 - 4 6
Change 1
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