OP-755 Part 2 Pages 197-401 - Personal Page of GENE SLOVER

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147 . Tor e ass e mb let h e cam hau8 i ng (dr. no . 274326~1) .
The parts are to be washed in a non-acid cleaning fluid and
are to be reassembled in reverse of the dismantling procedure.
Part 274334-13 is to be as sembled into the oil seal 274338-8
and the bearing 274337-11 before the cam housing assembly is
slipped over the drive shaft. Make sure that the gasket
274329-4 is in place before the housing is assembled to the
shaft. After the parts are reassembled, they are to be adjusted
as explained in the instructions.
148. To remove the hoisting drum (dr . no. 274325-1). -
First remove the cam housing assembly. Next disconnect the
cable from the drum by removing the slotted nut 274339-1 and
the collar 274328-11. Remove the cable clamps and pull. the
cable out of the slotted holes in the drum. Removethe hoisting
drum from the shaft 274314-1.
149. To dismantle the hoisting drum (dr. no. 274325-1).
After the drum has been removed, the screws 200075-6, which
secure the ratchet 274317-4 to the drum are to be removed.
The ratchet can now be forced off the dowel pins 206664-6.
150 . Tor e ass e mb let h e ti a i s tin g drum (dr , no. 274325 -1) .
The parts are to be reassembled in reverse of the dismantling
procedure except that the hoisting cable may be attached to
the hoist d-rum, if desired, after the earn housing has been reassembled.
Before assembling the drum on the shaft, wire hooks
are to be formed which will hook over the edge of' the brake
drum and into the holes on the ratchet dogs 274317-5, to hold
the dogs clear of ratchet 274318-2. After the drum has been
assembled far enough on the shaft to permit the dogs to engage,
the wire hooks are to be removed and the drum pushed up
against its retaining face.
1'S1. To remove the brake drum (dr , no. 274320-1) - First
remove the cam housing and hoisting drum 274325-1 and then the
brake band assembly 274307, as explained previously. The brake
drum can nowbe slipped over the end of the drive shaft 274314-1.
152. To dismantle the brake drum (dr , no. 274320-1). -
Remove the slotted nuts 274339-7, and the ratchet dog support
pins 274322-2 can be driven out of the brake drum. The springs
274317-7 can be disconnected from the ratchet dogs.
153.
The parts
are to be
To reassemble the brake drum (dr. no. 274320-1)~ -
are to be washed in a non-acid cleaning fluid and
reassembled in reverse of the dismantling procedure.
CAUTION: Be sure that all oil has been carefully
cleaned off the brake drum and
the brake band assembly while assembling
these parts.