Section III. Preparation for Use

Preparation for Use

Uncrating

Use normal precautions when uncrating to prevent damage to

Remove all packing materials and disassembled

equipment.

Mobilizer components.

High Pressure Hydraulic System

The high pressure hydraulic system is drained of hydraulic

fluid, and a preservative fluid pumped through the system

prior to shipment. Therefore, the system must be flushed

before being put into operation. To flush the hydraulic

system, proceed as follows:

(a) Fill hydraulic pump reservoir with hydraulic

fluid Military Specification MIL-H-5606.

(b) Disconnect return line from hydraulic pump.

raised and lowered positions. Use a suitable

container to collect return fluid.

(d) Connect return line to pump.

(e) Service system as outlined in Section V.

Brake System (Part No. 7400017-502)

Remove filler plug from each of the two master brake cylinders

and check level of brake fluid. If level of brake fluid is

more than 1/2 inch below top of reservoir, add sufficient brake

fluid to bring the level to this point. To insure brakes are

free proceed as follows:

(a) Release parking brakes on dolly.

(b) Move Mobilizer Assembly forward.

(d) Observe ease of movement, in the event vehicle

wheels do not turn freely remove wheels and clean

drum surfaces.

(e) Readjust brakes and repeat b and c.

(f) Service system as outlined in Section V.

Drawbar Installation

Position drawbar casting over steering arm castings, insert

drawbar pin. Next insert locking pin to secure towbar pin

in place. For Part No. 7400050-501, attach surge brake hydraulic line

to connector on front axle assembly and service brake system in accor-

dance with paragraph 3.5.