The hoist winch combination control valve is adjusted by the vehicle manufacturer. Should verification
or adjustment be required, the hoist winch combination control valve must be adjusted by the following
ADJUSTMENT procedures in this section and TESTING procedures in the next section so that the hoist
will have a capacity as specified in the DESCRIPTION above.
Test components (pressure gages, hoses, and fitting) must be capable of withstanding a working pressure
of 19502050 psi (13,44514,135 kPa).
For bare drum verification of hoist winch combination control valve, a test cable may be fabricated not
to exceed 110 ft (33.53 m) in length, using fabrication instructions in WP 0062 00.
VEHICLE PREPARATION--Perform steps 1 thru 4 for vehicle preparation.
Install pressure gage in gage port (73) of hoist winch combination control valve (25).
If using anchor, do not adjust brake.