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 TM 55-1905-242-14
0192 00
REMOVAL--SECOND 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 piping (15) at the holding valve (16) to permit any residual hydraulic fluid or pressure to
drain from the system.
3.
Label and remove the piping (15), hoses (17), and fittings (18).
4.
Remove the holding valve (16).
INSTALLATION--SECOND BOOM CYLINDER HOLDING VALVE
1.
Position the holding valve (16) and install the piping (15), hoses (17), and fittings (18) using the labels from step 3 of
Removal--Second Boom Cylinder Holding Valve as a guide.
2.
If no further work will be performed, clear 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.
3.
Dispose of used hydraulic fluid and contaminated materials in accordance with local regulations.
4.
Notify general support maintenance to perform a lift test on the crane (WP 0222 00).
0192 00-4
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