39
●SS7R, SS8R, HS8R
[Items Required for Replacement]
• Replacement reduction belt • Allen wrench set
• Tension gauge (Capable of tensioning to 12kgf or greater)
• Strong string, looped (or long tie-band)
[Procedure]
1) Remove the pulley cover.
Remove the four affixing thin-head screws using an Allen wrench of 2mm across flats.
2) Loosen the four tension adjusting bolts to
loosen the belt.
(Use an Allen wrench of 3mm across flats.)
4) Loop a new belt over both pulleys.
5) 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.).
3) Remove the belt from the pulleys.
Tension: SS7R: 7.3kgf
SS8R/HS8R: 11.6kgf
Adjusting bolt tightening torque:
323N·cm (33kgf·cm)
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