Maintenance
CAUTION
Raising the mower for service or maintenance relying solely on mechanical or hydraulic jacks could be dangerous. The mechanical or hydraulic jacks may not be enough support or may malfunction allowing the unit to fall, which could cause injury.
Do Not rely solely on mechanical or hydraulic jacks for support. Use adequate jack stands or equivalent support.
4.Loosen but do not remove the top two bolts on each hydraulic motor mounting bracket (see Figure 9).
5.Remove the bottom sets of hardware for each bracket.
6.Reposition the mounting bracket to the desired height and reinstall the bottom hardware.
7.Tighten all hardware and remount drive wheels.
8.Remove jack.
9.Adjust wheel drive and brake linkages as required (see Brake and Wheel Drive Linkage Adjustment section).
Figure 9
1. | Position A | 4. | Position D |
2. | Position B | 5. | Position E |
3. | Position C | 6. | Axle Pivot |
|
|
| but Do Not remove |
Note: The axle positions are in 1/2 inch (1.3 cm) increments and the large caster spacers are 1/2 inch (1.3 cm) thick. Therefore, by adjusting the same number of 1/2 inch (1.3 cm) caster spacers as
axle hole positions the blades will retain the same
Adjusting the Number of Spacers below Caster Support Hub
1.Stop the machine and move the drive levers to the neutral lock position.
2.Disengage the PTO.
3.Place the drive levers in the “park brake” position.
4.Push down on handles to lift front casters off the ground.
5.Support with jackstands.
6.Remove “quick pin” from one caster and remove caster from hub (see Figure 10).
Figure 10
1. | Four 1/2 inch (127 mm) | 3. | 3/16 inch (4.8 mm) |
| spacers |
| spacer |
2. | Quick Pin | 4. | Caster support |
7.Adjust the number of 1/2 inch spacers between bottom of hub and caster yoke to obtain the desired cutting height from the Cutting Height Adjustment Table in the Adjusting the Cutting Height section.
8.Install remaining spacers on top of hub.
9.Install “quick pin”.
10.Repeat for other caster.
Adjusting the Cutting Height with Blade Spacers
1.Stop the machine and move the drive levers to the neutral locked position.
2.Disengage the PTO.
3.Engage the park brake.
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