TM-5-5420-228-24

LAUNCHER HYDRAULICS SYSTEM M48A5/M60A1 TANK CHASSIS, TRANSPORTING: FOR BRIDGE, ARMORED-VEHICLE-LAUNCHED; SCISSORING TYPE, CLASS 60

TECHNICAL MANUAL; ORGANIZATIONAL, DIRECT SUPPORT AND GENERAL SUPPORT; MAINTENANCE MANUAL

AUGUST 1985

TM-5-5420-228-24 - Page 464 of 750

TM 5-5420-228-24

HEU HOSE ASSEMBLIES “CD” AND “CE” REPLACEMENT (Sheet 1 of 1)

TOOLS:

12-in. Adjustable wrench

13/16 in. open end wrench

SUPPLIES:

Drip pans (suitable containers)

Protective caps and plugs (assorted sizes)

Rags (Item 12, Appendix D)

Pencil (Item 22, Appendix D)

Masking Tape (Item 18, Appendix D)

Preformed packing (as required)

REFERENCE: LO-12

PRELIMINARY PROCEDURES:

Zero hydraulic pressure (page 3-70.5)

NOTE

•

Use rags and drip pans to catch excess hydraulic fluid.

Use tape to tag lines

for installation.

Cap or plug all lines and fittings as they are disconnected.

•

Use this procedure to replace either counter balance valve depressurization

hoses “CD” (A) or “CE” (B).

REMOVAL:

1.

Hold depressurization manifold fitting (C) with adjustable wrench and use wrench to disconnect hose “CD” (A)

or “CE” (B) from fitting (C).

2.

Hold counter balance valve tee (D) with adjustable wrench and use wrench to disconnect hose “CD” (A) or “CE”

(B) from tee (D) and remove hose (B).

INSTALLATION:

1.

Hold fitting (D) with adjustable wrench and use wrench to connect hose “CD” (A) or “CE” (B) to fitting (D).

2.

Hold fitting (C) with adjustable wrench and use wrench to connect hose “CD” (A) or “CE” (B) to fitting (C).

3.

Bleed hydraulic system (page 3-72).

4.

Check for hydraulic leaks and correct as necessary.

5.

Service hydraulic reservoir as needed (LO-12).

End of Task

Change 3

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