TM 5-5420-228-24
OVERHEAD CYLINDER HOSE ASSEMBLIES (DA5 AND DA6) AND HYDRAULICS REPLACEMENT
(Sheet 1 of 3)
TOOLS: 7/8 in. combination wrench
1-1/4 in. open end wrench
12 in. adjustable wrench
SUPPLIES:
Drip pans (suit able containers)
Rags (Item 12, Appendix D)
Pipe tape (Item 19, Appendix D)
Pencil (Item 22, Appendix D)
Masking tape (Item 18, Appendix D)
Preformed packing (4 required)
Protective caps and plugs
REFERENCE:
LO 5-5420-202-12
PRELIMINARY PROCEDURES:
Remove front quadrant (page 3-45)
Relieve hydraulic pressure (page 3-71)
Cap or plug all lines and fittings as they are
disconnected. Use rags and drip pans to catch
excess hydraulic fluid. Use tape to tag lines for
installation.
1.
Using adjustable wrench to hold tees (A),
use 1-1/4 inch wrench to remove hose
assemblies "DA5" (B) and "DA6" (C).
2.
Using 1-1/4 inch wrench to hold adapters
(D), use 7/8 inch wrench to remove hose
assemblies "CU1" (E) and "CU2" (F).
3.
U s i n g 1-1/4 inch wrench, remove two
adapters (D).
4.
Using adjustable wrench to hold tees (A),
use 1-1/4 inch wrench to loosen nuts (G).
5.
Using adjustable wrench, remove two tees (A), nuts (G), flat washers (H) and preformed
packings (J). Throw preformed packings (J) away.
Go on to Sheet 2
TA251568
