ELEVATOR SPEED REDUCER
Install lockring (15) on shaft (14). Install bearing
Install sleeves (18) and balls (19) in cage (17).
Alignment of the hole in the sleeve and the notch
in the cage must be correct before ball can be
installed in position. Be careful in next step so
that balls do not fall out of sleeves.
Put cage (17) on its side as shown. Put the bear-
ings in gears (20) and install the gears in the cage.
Install shafts (2 I) through the cage and the gears.
Put balls (22) in the holes at the end of the shafts
and install the balls in the notches in the cage.
Put the cage in position as shown and be careful
so that shafts do not slide out. To adjust bearing,
install bolt (23) and washer (26) without shims
(25). Tighten bolt until gear does not turn freely.
Measure the gap under the washer with a feeler
gauge to get the thickness for shims.
Remove bolts (23) and washers (26).
Install the thickness of shims (25) measured in
Step 18 and install washer (26), lock (24) and
bolt (23). Tighten the bolt to a torque of 50 + 10
lb.ft. (70 + 14 N.m). Do each bolt separately.
NOTE: Gear must turn freely with no end play on
bearings, .000 to .002 in. (0.00 to 0.05 mm) tight.