MAIN WINCH LEVEL WINDER FAILS TO OPERATE -- CONTINUED
Is pressure at port EXT within 60 psi of pressure at
supply port P and is pressure at port RET 60 psi or
less when level winder cylinder is retracting and is
pressure at port RET within 60 psi of pressure at
supply port P and is pressure at port EXT 60 psi or
less when level winder cylinder is extending?
CONTINUED FROM STEP L
CONTINUED ON NEXT PAGE
1. Payin and payout main winch enough for
control valve plunger roller to ride up and down
the cam slope only.
2. Record pressures at EXT and RET ports of
level winder cylinder and port P of level winder
3. Shut down hydraulic system and main engine
Go to Step O.
Are plates properly aligned and free of restrictions and
Inspect the level winder subplate assembly ballistic
plates for alignment, binding and restrictions.
Notify Direct Support
and free bound parts.
Verify fault is corrected.
If parts are damaged
and must be replaced
notify Direct Support