4. Maintenance and Inspection
48
4.8 Procedure for Belt Replacement and Tuning
4.8.1 Tension Adjustment
[Required Items]
x
Tension adjustment wire
(provide a commercially available wire like the
one shown in the photograph at right)
x
Hex wrench
BA4/BA4U
Opposite side 2.5mm,
Opposite side 3 mm
BA6/BA6U,
BA7/BA7U
Opposite side 3mm,
Opposite side 4 mm
x
Tension gauge (with capacity of 18kgf of tension or more)
[Procedures]
1) Remove the screws (2 places in circles) holding the stainless steel sheet and stainless steel sheet
retainer plates with using a Phillips screwdriver.
2) Remove the four M2.6 (for BA4/BA4U) or M3 (for BA6/BA6U, BA7/BA7U) screws holding the
pulley cover with a hex wrench to detach the pulley cover.
Stainless steel sheet retainer plate
Screws
Pulley cover