TM 5-5420-228-24
HYDRAULIC PUMP REPLACEMENT (Sheet 1 of 3)
TOOLS: 7/16 in. open end wrench
15 in. adjustable wrench
7/8 in. open end wrench
Ratchet with 1/2 in. drive
1-1/8 in. open end wrench
12 in. adjustable wrench
1-1/2 in. open end wrench
3/4 in. socket with 1/2 in. drive
1-3/4 in. open end wrench
Vise
SUPPLIES:
Pencil (Item 22, Appendix D)
Drip pans (suitable containers)
Pipe tape (Item 19, Appendix D)
Protective caps and plugs
Rags (Item 12, Appendix D)
Lockwashers (8 required)
Masking tape (Item 18, Appendix D)
PRELIMINARY PROCEDURES:
Drain hydraulic reservoir (page 3-74)
Remove clutch assembly (page 4-33)
REMOVAL:
NOTE
1.
2.
3.
4.
5.
6.
Use rags and drip pans to’ catch excess
hydraulic fluid.
Use masking tape and
pencil to tag lines for installation. Cap or
plug all lines and fittings as they are
disconnected.
Manually disconnect hose assembly “CW” (A).
Using 15 inch adjustable wrench, remove
hose assembly “CZ” (B) from fitting (C).
Using 7/16 inch wrench, remove two screws
(D).
Move box (E) aside.
Using adjustable wrench to hold elbow (F),
use 1-1/2 inch wrench to remove hose
assembly “BA” (G).
Using 7/8 inch wrench, remove hose
assembly “CV5” (H) from elbow (J).
Go on to Sheet 2
TA251680
4-29