Scag Power Equipment STR - Manual (Page 34)

Section 6
28
6.3 THROTTLE CONTROL AND CHOKE
ADJUSTMENTS
These adjustments must be performed by your Scag
dealer to ensure proper and efficient running of the
engine. Should either need adjustment, contact your
authorized Scag service center.
6.4 ENGINE BELT ADJUSTMENT
Figure 6-11 Transmission Belt Adjustment
6.7 BELT ALIGNMENT
Belt alignment is important for proper performance of
your Scag Mower. If you experience frequent belt wear
or breakage, see your authorized Scag service center for
belt adjustment.
Figure 6-10 Blower Belt Adjustment
6.6 TRANSMISSION DRIVE BELT
ADJUSTMENT
To adjust the two transmission drive belts, turn the
adjusting nut (Figure 6-11) for the belt needing
adjustment to obtain a 1/2 inch belt deflection with 10
pounds of pressure. See Drive Belts, section 7.8 for
checking method.
1. Remove the guard covering the engine belt.
2. Adjust belt tension by turning the adjusting nut (Figure
6-9) to obtain a 1/2 inch belt deflection with 10 pounds
of pressure. See Drive Belts, section 7.8 for checking
method.
6.5 BLOWER DRIVE BELT ADJUSTMENT
To adjust the belt tension, turn the adjusting nut (Figure
6-10) to obtain a 1/2 inch deflection with 10 pounds of
pressure. See Drive Belts, section 7-8 for checking
method.
WARNING:
Before removing any guards, shut the
engine off and remove the ignition key.
Adjusting Nut
Figure 6-9 Engine Belt Adjustment
Adjusting Nut
Right Transmission
Belt Adjusting Nut
LeftTransmission
BeltAdjustingNut
Loosen nut before
adjusting belt.
Tighten after the belt is
adjusted.
STR611