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Checking the Deck
Side-to-Side Level
1. Check the tire pressure on both deck and traction unit.
2. Position the blades side-to-side (Fig. 55). Measure at A
and B locations (Fig. 55) from a level surface to the
cutting edge of blade tips (Fig. 56).
3. The difference between measurements A and B should
be no more than 1/4 in. (6 mm).
Figure 55
Figure 56
Changing the Side-to-Side
Level
Changing the side–to–side leveling is done by adjusting
tire pressure.
Changing the Side–to–Side Leveling with
Tire Pressure
1. Change the tire pressure on both deck and traction
unit. Do this to the corresponding side that needs
adjustment.
2. Recheck the front-to-rear pitch and side to side
leveling of the cutting unit.
Matching Height of Cut
1. Check the tire pressure on both deck and traction unit.
2. Set the height-of-cut to the 4 in. (102 mm) position
following the height-of-cut decal.
3. With the machine on level surface, position one blade
front-to-rear (Fig. 57). Measure at A and from level
surface to the cutting edge of the blade tips (Fig. 58).
4. The measurement should be 4 in. (102 mm).
m–1078
m–2550
5. If it does not measure correctly, add air pressure in rear
tires to raise height–of–cut
6. If it does not measure correctly, decrease air pressure
in rear tires to lower height–of–cut.
7. Check carrier frame front–to–rear pitch.
Replacing the Drive Belt
Service Interval/Specification
Check all belts after every 50 operating hours or monthly,
whichever occurs first. Look for dirt, wear, cracks and
signs of overheating.
1. Remove top capscrew securing idler support and idler
bracket to rear frame (Fig. 59).
2. Loosen bottom two mounting screws enough to allow
belt to pass between drive pulley and idler support
(Fig. 59).
36
Figure 57
Figure 58
m–1078
m–2550
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