TM-9-2320-260-20
TRUCK, 5-TON, 6X6, M809 SERIES (DIESEL)
TECHNICAL MANUAL; UNIT MAINTENANCE
APRIL 1995
TM-9-2320-260-20 - Page 1089 of 1337
TM 9-2320-260-20
I
13-50.
VAN LIFTGATE PUMP MOTOR REPLACEMENT
THIS TASK COVERS:
a. Removal
b. Installation
INITIAL SETUP
APPLICABLE MODELS
M820A2
MATERIALS/PARTS
Six lockwashers
Cap and plug set (Appendix C, Item 9)
Antiseize tape (Appendix C, Item 30)
PERSONNEL REQUIRED
Two
REFERENCES (TM)
LO 9-2320-260-12
TM 9-2320-260-10
TM 9-2320-260-20P
EQUIPMENT CONDITION
●
Parking brake set (TM 9-2320-260-10).
• Van liftgate pump propeller shaft removed
(para. 13-53).
• Drain hydraulic system (LO 9-2320-260-12).
CAUTION
• Clean area around hoses and lines before removal to prevent
entry of dirt. Damage will occur if dirt or dust enters system.
●
Cap or plug all openings immediately after disconnecting lines
and hoses to prevent contamination. Remove caps or plugs prior
to installation. Failure to do so may result in damage to
equipment.
NOTE
●
Tag all hoses and lines for installation.
●
Assistant will hold hydraulic pump during removal and
installation.
1. Remove hydraulic hose (11) from tee (14).
2. Remove hydraulic hose (8) from reducer (9).
3. Remove hydraulic hose ( 12) from elbow (10).
4. Remove two nuts (3), lockwashers (4), screws (13), and hydraulic pump (15) from bracket (5).
Discard lockwashers (4).
5. Remove four nuts (7), lockwashers (6), screws (2), and bracket (5) from frame (1). Discard
lockwashers (6).
NOTE
Perform steps 6 and 7 if replacing hydraulic pump.
6. Remove reducer (9), checkvalve (17), connector (18), tee (14), checkvalve (19), connector (20),
bushing (21), and elbow (16) from hydraulic pump (15).
7. Remove elbow (10) from hydraulic pump (15).
NOTE
Perform steps 1 through 3 if installing new hydraulic pump.
1. Install elbow (10) on hydraulic pump (15).
13-116
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