4. Maintenance and Inspection
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18) Attach the pulley cover and tighten the four M2.6 (for BA4/BA4U) or M3 (for BA6/BA6U,
BA7/BA7U) screws.
Type
Tightening Torque
BA4/BA4U
45.8N•cm
BA6/BA6U
BA7/BA7U
83.0N•cm
19) Put on the side covers on the both sides, and tighten the attachment screws (at arrows) for the
side covers.
Screw size: M2.5, M3 (BA4/BA4U), M3 (BA6/BA6U, BA7/BA7U)
For some stroke patterns, there is another attachment screw on the side cover between two
screws on right and left ends.
Make sure to remove them all.
ࠋ
Type
Bolt Diameter
Tightening Torque
M2.6 hex socket head cap screw
45.8N•cm
BA4/BA4U
M3 cross recessed pan head machine screw
41.4N•cm
M3 hex socket head cap screw
83.0N•cm
BA6/BA6U
BA7/BA7U
M3 cross recessed pan head machine screw
41.4N•cm
Screws
Pulley cover