909793/BP0805 30 Printed in U.S.A.
CHAPTER 10
PREPARING FOR FIELD OPERATION
TRACTOR REQUIREMENTS
The tractor used to operate the disc mower MUST have:
1. A 540 RPM PTO.
2. A minimum power rating of 42 hp (30 kW) for the
DM1162 and 50 hp (36 kW) for the DM1165.
3. A Category II 3-point hitch.
4. One remote hydraulic output capable of powering
a single-acting cylinder.
5. The tractor should be equipped with a cab.
ADAPTING MOWER TO TRACTOR
The disc mower is provided with adjustable hitch pins
to accommodate various tractor sizes and rear wheel
spacing arrangements.
Refer to Figs. 22 & 23. The mower must be positioned
so that the inside cutting path of the left disc (Ref. 2) is
approximately 2″ (50 mm) to the right of the outside of
the right tractor tire (see Ref. 1). If necessary, loosen the
four cap screws (Fig. 22, Ref. 2) at each lower hitch pin
(Ref. 4) mounting location to slide the mower 3-point
frame left or right. Be sure the distance (Ref. 3) is
maintained. After the correct position is obtained,
tighten the eight cap screws (Ref. 2) to 90 ft.-lbs. (120
Nm) torque.
NOTE: The stop chain (Fig. 22, Ref. 4) is pro-
vided with the mower. This chain is used only when
the tractor IS NOT equipped with 3-point hitch hy-
draulic positioning control. (Refer to the “Setting
Mower Frame Working Height” topic later in this
chapter.)
1 - Mower 3-point Hitch Frame
2 - Cap Screw (4 used for each Hitch Pin)
3 - Lower Hitch Pins
4 - Stop Chain (see NOTE, above)
Fig. 22
1
2
3
4
2
3
1 - 2″ (50 mm)
2 - Cutting Path of Left Disc Assembly
Fig. 23: Mower-to -Tractor Position
3 - 32-1/2″ (825 mm)
4 - Lower Hitch Pin (2 used)
1
3
2
4
4
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