Service and Maintenance

5.3SETTING CHIPPER BLADE CLEARANCE

The four edged chipping blades should clear the chipping anvil located directly under the chipper chute by 1/16 inch to 1/8 inch. The chipping anvil is adjustable and reversible.

1.Lift rotor access cover and expose rotor (See Fig. #7). Loosen the three 1/2 inch bolts that hold the chipper anvil to the frame.

2.Measure the amount of clearance between chipping blade and chipping anvil from inside of housing.

3.Adjust inward or outward to desired measurement.

4.Tighten bolts on chipping anvil to 75 ft. lbs. and resume operation.

If chipping anvil edge is damaged or worn unevenly, remove the three bolts holding the anvil and use one of the other three edges. Adjust for correct measurement.

5.3 ADJUSTING DRIVE BELTS

Check the condition of the drive belt annually or after every 30 hours of operation, whichever comes first. If the belt is cracked, frayed, worn, or stretched, replace it. Only replace belt with original branded type belt, do not use single type belts. To adjust the belt, proceed as follows:

1.Depress foot clutch pedal. Shut engine off and discon- nect battery cables.

2.Remove large belt guard (three 5/16 inch bolts).

3.Adjust the eyebolt that anchors the idler spring to ad- just belt tension. Tighten the eyebolt until the belt de- flection at the center of the belt is 7/16" when a 20 lb. load is placed against the belt (See Fig. # 9).

4.Replace belt guard.

5.Start engine and test belt for looseness.

Fig. #7

6" & 8" Bear Cat Chipper Operator’s Manual

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Hayter Mowers 71620, 72620, 74824 manual Service and Maintenance, Setting Chipper Blade Clearance, Adjusting Drive Belts

72620, 71620, 74824 specifications

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