21
8. Apply petroleum jelly to the entire sealing surface of
the brake cylinder and to the piston seal. Install the
brake cylinder over the motor support being careful to
avoid damaging the piston seal or motor support O-
ring. (A press may be necessary to avoid cocking the
brake cylinder during installation.)
9. Install motor support capscrews and evenly tighten to
recommended torque.
BRAKE CYLINDER PRESSURE TEST
1. Install the –4 J.I.C. fitting into the brake release port.
Connect a hand pump with accurate 0-2000 psi (0-
13,800 kPa) gauge and shut-off valve to this fitting.
Apply 1000 psi (6,900 kPa) to the brake. Close shut-
off valve and let stand for five (5) minutes. If there is
any loss of pressure in five (5) minutes, the brake
cylinder should be disassembled for inspection of the
sealing surfaces and brake piston.
2. WHILE PRESSURE IS APPLIED AND THE BRAKE
RELEASED, install the brake clutch assembly in the
brake pack, short end of the inner race toward motor.
Turn the clutch back and forth as you align the outer
race splines with the brake disc splines.
3. Release the pressure on the brake cylinder then
remove the brake clutch assembly. The brake cylin-
der assembly is now complete and ready to be
installed in the hoist.
Summary of Contents for BRADEN Gearmatic BG6A
Page 2: ......
