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14 Operation
MAN0765 (12/5/2008)
4. Attach the mower drive shaft to tractor PTO. Make
sure the lock collar engages securely.
5. Attach the end of the mower transport's lock
release rope to a location on the tractor within easy
reach of the operator.
NOTE: When routing the rope, do not route through the
hydraulic hose guide and do not allow rope slack to
drop between the driveline shields and the gearbox
rotating shafts.
Figure 1. Tow Chain Installation
Attaching Hydraulic Hoses
1. Inspect hydraulic hoses to ensure they are in good
condition.
2. Clean hydraulic quick coupler before connecting
them to the tractor hydraulic ports.
3. Attach hoses to tractor hydraulic ports. Do not
allow hose slack to drag on the ground or become
caught on tractor 3-point arms or other tractor
components.
Interference Check
1. Be sure that the tractor 3-point lift arms do not
interfere with hydraulic hoses, driveline or mower
frame.
2. Check for straight ahead operation and full turning
angles. If there is any interference, remove the 3-
point arms.
NOTE: Contact between 3-point arms and mower
can cause damage, especially when turning.
CV Driveline Turning Limits
NOTICE
■ Do not exceed turning angle of 80 degrees at
the head of the Constant Velocity (CV) driveline or
damage will occur.
Check for excessive turn angle:
1. Disconnect the driveline from the tractor.
2. Start engine and turn as far right or left as possible.
3. Shut off the engine and connect the CV driveline to
the tractor. If it cannot be connected, the turn angle
is too severe.
4. Restart the tractor and straighten the angle slightly.
5. Shut off the engine and connect the CV driveline to
tractor.
6. Repeat the process until the driveline can be
connected. The point at which the driveline can be
connected is the maximum turn that can be made.
Leveling Mower
NOTE: To ensure satisfactory mower performance, the
trailer frame and decks must be leveled before operat-
ing the mower. During normal operation, the mower
should be leveled twice each season. The mower must
be leveled each time a tractor with a different drawbar
height is used.
Follow this procedure to level the mower for operation:
1. Park the tractor and mower on a flat level surface
with the decks in mowing position.
2. Inflate all tires to the recommended pressure: 20
psi for trailer tires.
3. Level the trailer frame by adjusting the hitch.
4. Remove the hitch clevis from the trailer frame and
pin to the tractor drawbar.
5. Use the parking jack to adjust the trailer frame to
the level position. Align the nearest hitch
adjustment hole in the hitch clevis with a hole in the
trailer frame.
6. Tighten the hardware to specifications in the Bolt
Torque Chart on page 50. Readjust the level of the
frame each time the drawbar height changes.
7. Attach the driveline to the tractor.
CUTTING HEIGHT ADJUSTMENT
Keep all persons away from operator control
area while performing adjustments, service, or
maintenance.
NOTICE
■ Avoid low cutting heights. Striking the ground
with blades produces one of the most damaging
shock loads a mower can encounter. Allowing
blades to contact ground repeatedly will cause
damage to mower and drive.