TM5-6675-326-14
2-19.4 Service Z-Axis - Continued
k .
Support optical mount while removing four screws.
CAUTION
Be careful not to drop bearings when lifting gear
housing assembly.
l .
Lift optical mount and gear housing clear. Set on work
s u r f a c e s.
m. Disengage chain from sprocket .
NOTE
Do not lose any shims from sprocket shaft.
n . L i f t w o r m g e a r a n d a t t a c h i n g p a r t s f r o m s p l i t - s t a g e l i g ht
table, and set on work surface.
o. Remove bearing caps, and lift worm free.
p. Spray worm gears with bearing cleaner. Wipe up excess
c l e a n e r .
q .
Reinstall worm on worm gear, and reinstall bearing cap.
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