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5.2.1 SPIRAL BELTS TENSION ADJUSTMENT
5.2.1.1 MOD. SP60,SP80,SP100,SP130,SP160, SP200,SP250
Proceed as follows:
1. Unscrew the screws Pos.6
2. Remove the head cover Pos.5
3. Loosen the four screws Pos.2 that sustain the
motor without unscrewing them completely
4. Loosen the nut Pos.3
5. Restore the correct belts tension with the
screw Pos.4
6. Retighten the screw Pos.3
7. Retighten the screws Pos.2 previously
loosened
8. Re-assemble the head cover Pos.1
5.2.1.2 MOD. SP80R,SP100R,SP130R,SP160R,SP200R,SP250R
Proceed as follows:
1. Unscrew the screws Pos.2
2. Remove the head cover Pos.1
3. Loosen the four screws Pos.3 without
unscrewing them completely
4. Loosen the nut Pos.5
5. Restore the correct belts tension with the
screw Pos.4
6. Retighten the screw Pos.5
7. Retighten the screws Pos.3 previously
loosened
8. Re-assemble the head cover Pos.1
Pict5.1: Spiral belts SP 60-80-100-130-160-200-250
Pict.5.2: Spiral belts SP 80R-100R-130R-160R-200R-250R