TM-9-2510-247-13-P

FIFTH WHEEL TOWING DEVICE MODEL 250M

TECHNICAL MANUAL; OPERATOR’S, UNIT, AND DIRECT SUPPORT MAINTENANCE MANUAL, REPAIR PARTS AND SPECIAL TOOLS LIST

JULY 2004

TM-9-2510-247-13-P - Page 303 of 522

TM 9-2510-247-13&P

0064 00

INSTALLATION

NOTE

Use sealing compound on all threads before installing fittings.

1.

Install elbow (4) on cylinder assembly (10).

2.

Install elbow (1) on cylinder assembly (10).

3.

Install elbow (3) on cylinder assembly (7).

4.

Install straight adapter (11) on cylinder assembly (7).

5.

Install tee fitting (2) on straight adapter (11).

6.

Using a suitable lifting device, position bottom of cylinder assemby (7) on boom and secure

with retaining pin (9) and tighten two screws (8).

7.

Raise cylinder assembly (7) to mast and secure with retaining pin (6) and tighten two screws (5).

8.

Repeat steps 6 and 7 for remaining cylinder assembly (10).

9.

Rotate center mast frame forward and install lower mast retaining pin in center mast and tighten

two lower retaining pin screws (WP 0073, steps 1 and 2).

10. Connect hydraulic hoses to elbows (3 and 4).

11. Connect two hydraulic hoses to tee fitting (2).

12. Connect hydraulic hose to elbow (1).

Figure 114.

Hydraulic Cylinder (Mast to Boom)

Follow-on Tasks:

• Charge hydraulics (WP 0056 00-5).

• Check reservoir fluid level and adjust level as required (WP 0056 00-5).