TM-9-2320-279-34-3

M977 SERIES, 8x8 HEAVY EXPANDED MOBILITY TACTICAL TRUCKS (HEMTT)

TECHNICAL MANUAL; MAINTENANCE INSTRUCTIONS DIRECT SUPPORT AND GENERAL SUPPORT, VOLUME 3 OF 3

TM-9-2320-279-34-3 - Page 398 of 717

TM 9-2320-279-34-3

Power Takeoff (PTO) and Hydraulic Pump Maintenance Instructions (Cont)

19-4.

HYDRAULIC PUMP REPAIR (M984E1) (CONT).

NOTE

Wear plate of Model B pump has a different

configuration.

(13)

Remove front wear plate (24).

(14)

Remove drive gear (25) and driven

gear (26).

(15)

Remove center section (27) from inlet

port section (1).

(16)

Remove rear wear plate (28), seal

retainer (29), and seal gland (30).

NOTE

Model B has an additional preformed packing.

Do step

(16.1)

for Model B.

(16.1)

Remove preformed packing (30.1) from

center section (31).

(17)

Remove center section (31).

(18)

Remove preformed packing (32).

NOTE

Model A has two studs installed in inlet port

section. Do step

(20)

for Model A.

(19)

Remove coupling (33).

(20)

Remove two studs (34) from inlet port

section (1).

(21)

Remove eight studs (36) from inlet port

section (1).

19-20

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