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9. Tighten both swivel jam nuts against the front swivel
to lock the height.
10. Check to make sure there is equal tension on the
chains and adjust again if needed.
Adjusting the Compression Spring
1. Raise the mower lift lever to the transport position
(Fig. 63).
2. Check the distance between the two large washers, it
needs to be 10–1/4 inches (260 mm) (Fig. 63).
3. Adjust this distance, by loosening the spring jam nut
and turning the nut in front of each spring (Fig. 63).
Turning the nut clockwise will shorten the spring;
counter–clockwise will lengthen the spring.
4. Lock the nut into position by tightening the spring jam
nut (Fig. 63).
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m–6921
Figure 63
1. 10–1/4 inch (260 mm)
between the large
washers
2. Front nut
3. Spring jam nut
Adjusting the Push Arms
If needed, adjust the push arms to increase or decrease the
mower belt tension.
1. To adjust the push arms, loosen the jam nut and rotate
the ball joint counterclockwise, one turn at a
time.(Fig. 64).
2. Adjust each side the same amount. Each push arm
should have a nominal length of 15-5/16 inch
(389 mm) (Fig. 64).
Note: Increase the tension by lengthening the push arms
and decrease the tension by shortening the push arms.
1
8
4
6
5
7
3
Front
4. Front swivel
5. Swivel jam nut
6. Lift nut
7. Front support arm
8. Large washer
44
3
1
Figure 64
1. Push arm
2. 15-5/16 inch (389 mm)
nominal
Cleaning Under the Mower
Remove grass build up under the deck daily.
1. Position the mower on a flat surface.
2. Disengage the PTO, move the motion control levers to
the neutral locked position and set the parking brake.
3. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
4. Raise the deck to the transport position.
5. Lift the front of the unit and support the unit using
jack stands.
Danger
Mechanical or hydraulic jacks may fail to support
machine and cause a serious injury.
Use jack stand when supporting machine.
Do not use hydraulic jacks.
Inspecting the Belts
Inspect all belts every 50 hours.
1. Check belts for cracks, frayed edges, burn marks or
any other damage. Replace damaged belts.
Replacing the Deck Belt
Squealing when the belt is rotating, blades slipping when
cutting grass, frayed belt edges, burn marks and cracks are
signs of a worn deck belt. Replace the deck belt if any of
these conditions are evident.
1. Disengage the PTO, move the motion control levers to
the neutral locked position and set the parking brake.
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m–6273
3. Jam nut
4. Ball joint
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