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HEU HOSE ASSEMBLIES "BL" AND "BM" REPLACEMENT (Sheet 2 of 2)
HEU HOSE ASSEMBLIES "BN" AND "BP" REPLACEMENT (Sheet 2 of 2)

Launcher Hydraulics System M48A5/M60A1 Tank Chassis, Transporting: For Bridge, Armored-Vehicle-Launched; Scissoring Type, Class 60 Page Navigation
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TM 5-5420-228-24
HEU HOSE ASSEMBLIES "BN" AND "BP" REPLACEMENT (Sheet 1 of 2)
PROCEDURE INDEX
Procedures
Page
Removal
3-204.44
Installation
3-204.45
TOOLS:
7/8-in. open end wrench
15/16-in. combination box and open end wrench
12-in. Adjustable wrench
SUPPLIES:
Drip pans (suitable containers)
Pencil (Item 22, Appendix D)
Rags (Item 12, Appendix D)
Masking tape (Item 18, Appendix D)
Pipe tape (Item 19, Appendix D)
Protective caps and plugs (assorted sizes)
Preformed packing (as required)
REFERENCE: LO-12
TM-10
PRELIMINARY PROCEDURES:
Zero hydraulic pressure (page 3-70.5)
Remove hold down cylinder armor (page 3-253)
REMOVAL:
NOTE
Use this procedure to replace hose assemblies "BN or "BP". Hose assembly "BN" is
shown.
1.
Open right side grill doors (TM -10).
2.
Use adjustable wrench to hold bulkhead elbow (A) and use 15/16 inch wrench to disconnect hose assembly "BN"
(B).
3.
Use adjustable wrench to remove elbow (A) from bulkhead (C).
4.
Remove preformed packing (D) from elbow (A).
5.
Disconnect quick disconnect connector (E) from hold down cylinder hose assembly (F)
6.
Use 15/16 inch wrench to hold hose assembly "BN" (B) and use 7/8 inch wrench to remove connector (E) from
hose assembly "BN" (B).
7.
Remove preformed packing (D) from connector (E).
Go on to Sheet 2
3-204.44
Change 3






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