TM 5-5420-228-24
HEU VALVE BANK AND BRACKET REPLACEMENT (Sheet 1 of 4)
PROCEDURE INDEX
Procedures
Page
Removal
Installation
TOOLS:
3/4 inch socket 1/2 inch drive
3/4 inch wrench
Ratchet with 1/2 inch drive
SUPPLIES:
Drip pans (suitable containers)
Lockwashers (9 required)
Masking tape (Item 18, Appendix D)
Pencil (Item 22, Appendix D)
Protective caps and plugs
Rags (Item 12, Appendix D)
PERSONNEL: 2
REFERENCE: LO-12
PRELIMINARY PROCEDURE:
Relieve hydraulic pressure (page 3-71)
Remove front quadrant (page 3-45)
Hoses "BA" thru "BF" disconnected from valve bank (page 3-204.36)
Hoses "BG" thru "BK" disconnected from valve bank (page 3-204.39)
NOTE
Cap or plug all lines and fittings as they are disconnected. Use rags and
drip pans to catch hydraulic fluid trapped in lines. Use masking tape to
tag lines for installation.
Go on to Sheet 2