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9. Maintenance and Inspection
Tightening torque: 83 N·cm (8.47 kgf·cm) Tightening torque: 87.2 N·cm (8.90 kgf·cm)
9) Install the pulley assembly.
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Align the angles of projections and depressions on
the couplings.
• Tighten the hexagon socket-head screws
(M3 × 22, 4 pcs.) using an Allen wrench of
2.5 mm across flats.
Align the angles of projections and depressions.
10) Loop the belt over the pulleys.
11) Pass a looped strong string (or long tie-band) around the motor-end flange and pull it with a tension gauge to
the specified tension. In this condition, uniformly tighten the adjusting bolts (hexagon socket-head bolts: M3 ×
10, 4 pcs.).
(Use an Allen wrench of 2.5 mm across flats.)
Tightening torque: 83 N·cm (8.47 kgf·cm)
Tension: 2.5 kgf
Adjusting bolt tightening torque:
162 N·cm (16.5 kgf·cm)
12) Install the motor cover.
Tighten the hexagon socket-head screws
(M3 × 12, 2 pcs.) using an Allen wrench of
2.5 mm across flats.
13) Install the pulley cover.
Tighten the thin-head screws (M3 × 6, 4
pcs.) using an Allen wrench of 1.5 mm
across flats.