TM 5-6675-323-14
Adjust Y-Axis Chain.
MOS: 41B, Topographic Instrument Repair Specialist
T O O L S : 9/64 in. Hex Head Key Wrench
Turn power off.
a.
b. Set carriage clutch switch to OFF.
Turn screws on left and right side equal amounts. Turning to right
c.
tightens chain. Turning to left loosens chain.
NOTE
S e v e n spring washers are under each bolt. Amount of adjustment is
limited.
d. Turn power on and set carriage clutch switch to ON.
Rotate Y-axis control knob to bring optical mount forward and back.
e.
Chain jumps sprockets if too loose. Carriage jerks if too tight.
f. Readjust if necessary.
6-60
