TM 9-2320-289-34
5-22.
TRANSFER CASE MAINTENANCE (M1028A1 AND M1031).
This task covers:
a. Removal
d. Assembly
b. Disassembly
e. Installation
c. Cleaning and Inspection
INITIAL SETUP:
Equipment Condition
l Both battery negative cables disconnected.
(See TM 9-2320-289-20)
Truck raised and supported on jack stands.
Transfer case drained.
(See LO 9-2320-289-12)
Front and rear propeller shafts removed.
(See TM 9-2320-289-20)
Speedometer gear removed.
(See TM 9-2320-289-20)
Tools/Test Equipment
l Dial indicator
l Snapring pliers
l Torque wrench
Personnel Required
l MOS 63W (2)
Manual References
l TM 9-214
Materials/Parts
l
l
l
l
One cotter pin
One extension gasket
One extension seal
One 4-wheel drive indicator light switch
gasket
One front output shaft retainer gasket
One front output shaft retainer seal
One front output shaft rear bearing
retainer gasket
One idler shaft cover gasket
One poppet bolt gasket
One PTO cover gasket
One rear output shaft bearing retainer
gasket
One retainer ring
One seal washer
One transfer case adapter gasket
Two locknuts
Two Iockpins
Two shift rail bore seals
Two transfer case adapter seals
Two wave washers
Two 3/8 in. N.C. bolts
Eighteen Iockwashers
Dry cleaning solvent
(Item 23, Appendix B)
Hydraulic fluid (Item 40, Appendix B)
Petrolatum (Item 50, Appendix B)
Gasket sealing compound
(Item 58, Appendix B)
General Safety Instructions
l Transfer case is heavy. Provide suitable support and use caution during removal and installation.
l Dry cleaning solvent is flammable and must not be used near open flame. Use only in a
well-ventilated area.
• Compressed air used for cleaning purposes should never exceed 30 psi (207 kPa).
5-160
Change 2
