The crane hydraulic system operates at oil pressures up to 3,100 psi (21,375 kPa). Never
disconnect any hydraulic line or fitting without first dropping the pressure to zero. Failure
to comply may result in serious injury or death to personnel.
Tag and mark hydraulic hoses prior to removal.
Cap and plug hydraulic hoses and tubes after removal.
Position drain pan under two hoses (1) and hose (2).
Disconnect two hoses (1) and hose (2) from two elbows (3) and check valve (4).
Remove two preformed packings (5) and preformed packing (6) from two elbows (3) and check valve (4).
Discard preformed packings.
Remove three screws (7) and lockwashers (8) from brake assembly (9). Discard lockwashers.
Remove two screws (10), lockwashers (8), bracket (11) and brake assembly (9) from hoist drum (12).