OPERATION
OPERATION
3.7 3-Point Hitch
PA91 boom mowers can attach to tractors with either a CAT I or II hitch. Refer to the tractor operator’s manual for the category of the tractor used. If the hitch does not conform to ASAE Cat I or II dimensions, the mower may not fit or raise properly. Consult an authorized dealer for possible modification procedures to mount nonconforming hitches.
Use the correct hitch pins for the hitch category being used. For a Cat I hitch, 7/8” lower and 3/4” upper diameter hitch pins are used and Cat II hitches require
CAT I Implement / Hitch Specification |
| CAT II Implement/ Hitch Specification |
|
Width from outside to outside | 26 7/8” | Width from outside to outside | |
Quick Hitch width inside lug to lug | 27 1/8” | Quick Hitch width inside lug to lug | |
Height from bottom hitch pin to top pin | 18” | Height from bottom hitch pin to top pin | 19” |
Lower pin diameter | 7/8” | Lower pin diameter | |
Upper pin diameter | 3/4” | Upper pin diameter | 1” |
Lynch pin diameter | 15/32” | Lynch pin diameter | 15/32” |
3.8 Hydraulics
The PA91 is available with either a Semi or Totally Independent hydraulic system complete with rotor rotation control. The
3.9 Front End Weight
A minimum of 20% total tractor weight must be maintained on the tractor front end at all times. Front end weight is critical to maintain steering control and to prevent the tractor from rearing up while driving. If the front end is too light, add weight until a minimum of 20% total weight is reached on the front tires. Front weights and weight carriers can be purchased through an authorized tractor dealership.
PA91 02/08 | Operation Section |
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