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8) Install the pulley assembly.
•
Align the angles of projections and depressions
on the couplings.
• Tighten the hexagon socket-head
screws (M3 × 40, 4 pcs.) using an Allen
wrench of 2.5mm across flats.
Align the angles of projections and depressions.
9) Loop the belt over the pulleys.
10) Pass a looped strong string (or long tie-band) around the motor bracket and pull it with a tension gauge
to the specified tension. In this condition, uniformly tighten the adjusting bolts (hexagon socket-head
bolts: M4 × 20, 4 pcs.).
(Use an Allen wrench of 3mm across flats.)
Tightening torque: 83N·cm (8.47kgf·cm)
Tension: 8kgf
Adjusting bolt tightening torque:
323N·cm (33kgf·cm)
11) Install the pulley cover.
Tighten the thin-head screws (M3 × 6, 4
pcs.) using an Allen wrench of 1.5mm
across flats.
Tightening torque: 87.2N·cm (8.90kgf·cm)
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