DIRECTIONAL CONTROL VALVE (DCV) BANK REPLACEMENT
Tools and Special Tools
Construction Equipment Repairer, 91L
Tool Kit, General Mechanic's: Automotive
Parts Kit, Hydraulic (WP 0054, Table 1, Item 3)
Ejector moved to front of vehicle
· High oil pressure is present in the M9 ACE hydraulic system. Do not disconnect any
hydraulic system component unless hydraulic system pressure has been relieved. After
hydraulic system has been relieved, wait at least four minutes before disconnecting any
hose or fitting. Ensure each of the hydraulic control levers is moved several times through
all positions and the hydraulic tank dipstick is slowly loosened to relieve pressure. Failure
to comply may result in severe injury or death to personnel.
· Do not operate ejector when personnel are in bowl. Do not work in bowl unless ejector
lock is engaged. Failure to comply may result in severe injury or death to personnel.
· Do not stand or work in bowl area unless ejector lock is engaged. Do not stand in bowl
to observe roller guide travels. Failure to comply may result in severe injury or death to
· When folding dozer blade, work on blade latches from side of vehicle only. Do not stand
in front of dozer blade while retracting ejector. Failure to comply may result in severe
injury or death to personnel.
Cap or plug all oil ports and ends of hoses and tubes when oil hoses or tubes are disconnected
or removed to prevent contamination. Failure to comply may result in damage to equipment.