IAI America IF - Manual (Page 52)

5. Maintenance inspection
46
[How to Adjust the Driver Belt Tension:]
Driver belt tension adjustment is done using the front cover adjustment bolt.
Since the adjustment bolt is fixed using the hexagonal nut, when adjusting, loosen the hexagonal
nut, then adjust the adjustment bolt as is. Upon adjustment, tighten the hexagonal nut once again.
Front cover
Hexagonal nut
(For loosening prevention:
Use of 8 mm Spanner Wrench)
Screw for driver belt tension adjustment
(Use of Hexagon Wrench with the
Distance to the Opposite Side of 4 mm)
Belt
L L
δ
F
L L
Because the deflection varies depending on the stroke, calculate the deflection G using the
following formula.
Model Flexible load : F Flexure : G
S Type 0.8kgf±10%
M Type 1.8kgf±5%
G
= 0.032L