TM 5-5420-228-24
HEU HYDRAULIC PUMP REPLACEMENT (Sheet 1 of 2)
PROCEDURE INDEX
Procedures
Page
Removal
Installation
TOOLS:
1/2 in. drive ratchet
1-1/8 inch socket with 1/2 inch drive
SUPPLIES: Rags (Item 12, Appendix D)
Drip pans (suitable containers)
Lockwashers (4 required)
REFERENCE: LO-12
PRELIMINARY PROCEDURES: Drain hydraulic reservoir (page 3-74)
Remove pump cover (page 3-65)
Remove drive shaft assembly (page 4-52.3)
Remove control panel (TM 20-2)
Remove Hose Assembly "BW" (page 3-204.55)
Remove Hose Assembly "BY" (page 3-204.56)
Remove Hose Assembly "BS" (page 3-204.49)
REMOVAL:
1.
Using a 1-1/8 inch socket, remove two screws (A) and lockwashers (B) from hydraulic pump adapter plate
(C), discard lockwashers (B).
2.
Remove hydraulic pump (D) from pump support (E).
3.
Place hydraulic pump (D) on level surface, using 1 1/8 inch socket remove two screws (F), and lockwashers
(G) from pump and remove adapter plate (C).
Go on to Sheet 2
