9
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DRIVE UNIT
9 - 9
(7) Take off the gear and timing belt from the
main motor drive unit.
Notes:
• Do not apply more tension to the belt of
the main motor drive unit than that pro-
duced by the spring force.
• Follow the procedure bellow to perform
tension adjustment when assembling the
main motor drive unit.
- Align the tensioner with the punch
mark and tighten the tensioner fixing
screw.
- Hook the tensioner spring.
- Install the main motor drive unit to the
equipment.
- Loosen the tensioner fixing screw.
- Let the spring force produce tension
for the belt, and tighten the fixing
screw.
Fig. 9-10
Fig. 9-11
Gear
Gear
Timing belt
Main motor drive unit
1
2
Tensioner spring
Tensioner
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