TM 9-2320-260-34-2
15-61. LIFTGATE HYDRAULIC PUMP REPLACEMENT (M820A2)
THIS TASK COVERS:
b. Installation
a. Removal
INITIAL SETUP
PERSONNEL REQUIRED
APPLICABLE MODELS
Two
M820A2
REFERENCES (TM)
TOOLS
TM 9-2320-260-20
General mechanic's tool kit
TM 9-2320-260-34P-2
(Appendix B, Item 1)
EQUIPMENT CONDlTION
MATERIALS/PARTS
Pump driveshaft removed (TM 9-2320-260-20).
Six Iockwashers (Appendix D, Item 232)
Antiseize tape (Appendix C, Item 50)
NOTE
Clean area around hoses and lines before removal to prevent
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entry of dirt. Damage will occur if dirt or dust enters system.
Cap or plug all openings immediately after disconnecting lines
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and hoses to prevent contamination. Remove caps or plugs prior
to installation. Failure to do so may result in injury to personnel.
Tag all hoses and lines for installation.
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Assistant will hold hydraulic pump during removal and
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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), Iockwashers (4), screws (13), and hydraulic pump (15) from bracket (5).
Discard Iockwashers (4).
5. Remove four nuts (7), Iockwashers (6), screws (2), and bracket (5) from frame (1). Discard
Iockwashers (6).
NOTE
Perform steps 6 and 7 if replacing hydraulic pump.
6. Remove reducer (9), check valve (17), connector (18), tee (14), check valve (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).
2. Wrap threads of elbow (10), elbow (16), bushing (21), connector (20), tee (14), connector (18),
reducer (9), and hoses (8), (11), and (12) with antiseize tape.
3. Install elbow (16), bushing (21), connector (20), check valve (19), tee (14), connector (18), check
valve (17), and reducer (9) on hydraulic pump (15).
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