Figure 3-28. Series/Parallel Valve Connections.

TM 55-1730-228-13&P

3-28. HYDRAULIC MOTOR, BRAKE AND DRIVE HUB ASSEMBLY- REPLACE (Continued)

3-28

WARNING

Hydraulic fluid may be extremely hot. Allow the SPEMS to stand fifteen minutes before breaking into

hydraulic system.

(1) Close (turn fully clockwise) both the supply and return line gate valves (Figure 3-27).

Figure 3-28. Series/Parallel Valve Connections.

(2) Tag the hydraulic motor hoses at the series/parallel valve (Figure 3-28) for ease of identification during

installation.

(3) Place a drip pan underneath the series/parallel valve. Disconnect the hydraulic hoses for the motor at the

series/parallel valve. Plug the hydraulic hoses and valve to prevent foreign matter from entering the

system.

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