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

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143. To reassemble the brake band assembly. - The brake
band assembly is to be reassembled in reverse of the dismantling
instructions. Extreme care must be exercised to prevent
oil or grease from getting onto the brake band or brake drum
while reassembling the parts. The brake is to be adjusted as
prescribed i~ paragraph 85.
144. To remove the relief valves from the B-end motor
head, loosen the acorn nuts 274311-2 and the lock nut 274319-3.
Back out the adjusting screw 274324-5, and the relief valves
and springs 274312-6 and 274312-3 can be removed. After the
parts have been 'cleaned and reassembled the relief valves are
to be adjusted as prescribed in paragraph 84.
145. To remove the c am housing assembly (dr . no. 274326-1).
Block the powder car at the loading position to take the load
off the cable if the unit is assembled in the turret. Remove
the earn support assembly as explained previously. Using the
bearing lock nut wrench 274346-2, which may be found in the
spare parts box #1, loosen the lock nut 274339-6 on the drive
shaft 274314-1. Next remove the gear 274328~6 and the spacer
274335-6. Next remove the clamping screw 196825-7 from the
upp er .end of the link 274335-8 .• which connects the rocker arm
operating lever 274327-2 to the foot valve linkage (see dr.
no. 274249). Drive out the link pin 274334-8. Loosen the two
lock nuts' 274339-8 on the control rod 274330-3, which connects
the B-endto the control linkage, (dr . no. 274251). Remove
the screw 274272-5 from the upper end of the link 274253-4,
which connects the control rod 274330-3 to the lever 274253-1
on the control linkage. Next screw the control rod 274330-3
out of the clevis 274253-5 at the B-end. Remove the eight
mounting screws 229123-7 from the mounting face of the earn
housing 274326-1 and drive out the dowel pins 274319-4. The
earn housing can now be slid along the mounting base until it
clears the drive shaft and can be removed. As this is a heavy
assembly a chain fall or block and tackle should be used' for
ease in handling.
146. To dismantle the cam housing (dr. no. 274326-1). -
The rocker arm assembly is to be removed as explained previously,
which will permit the rocker arm shaft to be slipped out of
the bearings 274337-9 and the oil seal 274338-10. Next remove
the small cover 274321-5, and loosen the lock nut 271665-7.
Tapping on the end of the shaft 274324-3 will force the shaft
out of the gear 274327-1, and the outer bearing 196827-9. The
shaft 274324-3, assembled to the inner bearing 196827-9, and
the gear 274328-9 can be removed. Loosen the key 200148-6 and
the gear and bearing can be forced off the shaft 274324-3.
Next remove the large cover 274324-2, and the oil seal 274338-8
and the bearing 274337-11 can be removed.