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 TM 55-1905-223-24-9
c. Fill. Remove filler cap (1, FIGURE 2-1) from hydraulic reservoir cover (2, FIGURE 2-1). Fill main
reservoir and header tank with clean, filtered hydraulic fluid. See TM 55-1905-223-10.
d. Bleed.
(1) Restore power to pumpsets.
(2) Operate each vane pump, stroking cylinders several times back and forth with each pump.
While stroking, unscrew fittings at cylinder slightly until air is removed and only oil seeps out.
Secure fittings. Observe pressure gauge and check for leaks.
(3) To bleed helm pump, unscrew fittings on pump until oil seeps out. Stroke cylinders several times
while monitoring header tank fluid level. Secure fittings and close helm pump shutoff valves.
(4) Re-check and fill hydraulic fluid levels in main reservoir and header tank to proper levels.
(5) Check for system leaks.
(6) Return pumpsets to normal operation (TM 55-1905-223-10).
(7) Properly dispose of used hydraulic fluid and spillage.
(8) Clean and store utility pail and funnel.
(9) Remove "Out of Service Do Not Operate" tag from circuit breaker.
2-10
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