TM5-6675-326-14
2-19.2 Adjust X-Axis Chain
PERSONNEL REQUIRED: 1 Topographic instrument repair specialist MOS 41B
TOOLS: 9/64-in. socket-head screw key
a. Turn power OFF.
b .
Set carriage clutch switch to OFF.
c .
Loosen socket-head capscrews on sliding block until block can
be moved.
d .
Move block with fingers toward end of carriage until chain is
t i g h t .
e .
Hold block with one hand and tighten socket-head capscrews.
f .
Turn power ON. Set carriage clutch switch to ON.
g .
Move optical mount to left and right with X-axis control knob .
I f m o t i o n i s j e r k y , c h a i n i s t o o t i g h t . I f s p r o c k e t s j u mp
l i n k s , c h a i n i s t o o l o o s e .
h .
Readjust as required until optical mount moves smoothly to
l e f t a n d r i g h t .
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