TM 5-5420-227-24
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 pan
Rags (It em 12, Appendix D)
Pipe tape (Item 19, Appendix D)
Pencil
Masking tape (Item 18, Appendix D)
Preformed packings (4)
Caps and plugs
REFERENCE:
PRELIMINARY PROCEDURES:
Remove front quadrant (page 3-39)
Relieve hydraulic pressure (page 3-65)
REMOVAL:
NOTE
Cap all lines and fittings as disconnected.
Use rags and drip pans to catch excess
hydraulic fluid. Use tape 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.
Use 1-1/4 inch wrench to remove two
adapters (D).
4.
Using adjustable wrench to hold tees (A),
use 1-1/4 inch wrench to loosen nuts (G).
Using adjustable wrench, remove two tees (A), nuts (G), flat washers (H) and packings (J).
5.
Throw packings (J) away.
Go on to Sheet 2
TA170389
3-164
