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PAGE 46 — MQ SP4030 SAW • OPERATION MANUAL — REV. #0 (01/22/09)
Rotary Belt Tensioner
The rotary belt tensioner system uses a 9/16"-headed nut
and a 15/16" or 1" nut to set belt tension by positioning an
arm between the tensioner pulley and the tensioner base.
Ridges on the base mark the amount of tension.
Adjust to 3-1/2 notches on the tensioner:
1. Loosen the 9/16" nut.
2. Rotate the tensioner nut clockwise until the desired
belt tension is achieved.
3. Tighten the 9/16"nut.
MAINTENANCE
1
3
2
1. 9/16" Nut
2. Tensioner Nut
3. Adjustment Notches
Figure 47. Tension Adjustment Notches
1
2
3
Figure 48. Blade Shaft External Components
1
1
2
2
3
3
4
4
5
5
6
6
7
7
1. Bolt, 5/8 GR8
2. Bushing
3. Outer Flange
4. Inner Flange
5. Drive Key
6. Blade shaft
7. Blade shaft Housing
Figure 49. Blade Shaft External Components
BLADE SHAFT
The fully enclosed blade shaft eliminates most maintenance
(Figures 48 and 49). Should the blade shaft need service
or repair however, contact the manufacturer for details.
Blade Shaft Assembly