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TM 55-1905-242-14
0192 00
REMOVAL--FIRST BOOM CYLINDER HOLDING VALVE
1.
Don chemical protective gloves and goggles and position a suitable drain pan beneath the work area.
2.
Loosen, but do not remove, the hoses (7) and "T" fitting (8) at the holding valve (9) to permit any residual hydraulic fluid
or pressure to drain from the system.
3.
Label and remove the hoses (7), piping (10), "T" fitting (8), and elbow (11).
4.
Unscrew the holding valve (9), fittings (12), and elbow (13) as a unit from the first boom cylinder (14).
5.
Label and remove the fittings (12) and elbow (13) from the holding valve (9).
12
INSTALLATION--FIRST BOOM CYLINDER HOLDING VALVE
1.
Install the fittings (12) and elbow (13) into the holding valve (9) and install these items as a unit onto the first boom
cylinder (14) using the labels from step 5 of Removal--First Boom Cylinder Holding Valve as a guide.
2.
Install the hoses (7), piping (10), "T" fitting (8), and elbow (11) using the labels from step 3 of Removal--First Boom
Cylinder Holding Valve as a guide.
3.
If no further work will be performed, remove the lockouts and tagouts and check the operation of the system, ensuring
that the boom cylinder moves smoothly in both directions and that it does not "drift" when the control lever is released.
4.
Dispose of used hydraulic fluid and contaminated materials in accordance with local regulations.
5.
Notify general support maintenance to perform a lift test on the crane (WP 0222 00).
0192 00-3


 


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