7.Loosen mounting bolts on one wheel assembly.
8.Slide assembly along the frame tube to new position (see Figure 32).
9.Tighten mounting bolts to specified torque level.
5.Loosen and remove the worn knife and its opposite on the other side of the rotor. Discard worn knives and their mounting hardware.
6.Replace with new knives and mounting hardware (see Figure 33).
DP116
Figure 32. Positioning Wheel Assembly
10.Remove safety stands or blocks.
11.Lower and remove jack.
12.Repeat with other wheel assemblies.
REPLACING FLAIL KNIVES
Do not handle knives with bare hands. Careless or improper handling may result in serious injury.
■Read Balance Statement, page 5, before replac- ing any knives.
The flail knives in pairs swing on a hardened bushing, designed to reduce wear, and are sandwiched between two steel spacers. The hardened bushing is bolted to the clip with a 1/2" NC carriage bolt and a flange lock nut.
1.Clear the area of any bystanders.
2.Shut off tractor, place all controls in neutral, set parking brake, remove key, and wait for all moving parts to stop.
3.Disconnect driveline and hydraulic lines from the tractor.
4.Place safety stands or large blocks under the frame.
DP13
Figure 33. Flail Replacement
NOTICE
■To maintain rotor balance, always replace oppo- site (180°) pairs of knives and mounting hardware.
7.Tighten flail mounting flange lock nut.
8.Replace additional worn flails following step 5 and step 6.
9.Remove safety stands or blocks from under frame.
10.Lower unit and remove jack.
11.Attach driveline and hydraulic line to tractor.
12.Refer to Balance Statement, page 5, for balance issues.
REPLACING RUBBER SHIELD FLAPS
Rubber shield flaps on the front of the unit deflect or prevent stones or debris from being ejected when oper- ating unit. Replace if damaged or missing to provide a safe work environment. To replace, follow this proce- dure:
1.Clear the area of bystanders, especially children.
2.Lower the unit to the ground, place all controls in neutral, shut off engine, set park brake, remove key, and wait for all moving parts to stop before dismounting.
NOTE: For
3.Remove 3/8" nut, washer and carriage bolt from each worn flap. (Replace any worn or damaged hardware. See page 51 for hardware sizes.)
30 Service & Maintenance | MAN0943 (07/12/2011) |
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