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Operating - 11
OPERATING
Adjusting Overall Cutting Height
NOTE: When adjusting U-bolts, maintain a minimum clearance of 3
mm (1/8 in.) between mower deck and stop pads.
Adjust both sides of the mower deck equally.
All lift chains must remain taut.
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MX20099
1. Adjust four U-bolts (A) (two on each side of deck) until blade tip height is
within 73-79 mm (2-7/8-3-1/8 in.) of the 76 mm (3 in.) setting.
Adjusting Mower Deck Anti-Scalp Wheels
NOTE: The flattest cut can be achieved by having all anti-scalp
wheels adjusted off the ground. Check anti-scalp wheel adjustments
each time the mower deck cutting height is changed.
It is recommended that all anti-scalp wheels be kept off the ground to
minimize scuffing.
1. Inflate tires to correct pressure.
2. Adjust mower deck to desired cutting height.
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MX15658
3. Adjust anti-scalp wheel (A) to one of three positions (D).
• Remove screw (E), nut (C) and washer (B).
• Adjust wheel up or down so it is approximately 6–13 mm (1/4–1/2 in.)
above mowing surface.
4. Install wheel with attaching hardware.
5. Adjust all wheels to the same height.
Testing Safety Systems
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The safety systems installed on your machine should be checked before
each machine use. Be sure you have read the machine operator manual
and are completely familiar with the operation of the machine before
performing these safety system checks.
Use the following checkout procedures to check for normal operation of
machine.
cIf there is a malfunction during one of these procedures, do not operate
machine. See your authorized dealer for service.
Perform these tests in a clear open area. Keep bystanders away.
Testing PTO Switch
1. Stand on operator’s platform with motion control levers in the neutral
position.
2. Lock park brake.
3. Pull PTO switch up to engage.
4. Turn key switch to the start position.
Result: The engine must not crank.
Testing Park Brake Switch
1. Push PTO switch down to disengage.
2. Unlock park brake.
3. Turn key switch to the start position.
Result: The engine must not crank.
Testing Neutral Switch (Start)
1. Lock park brake.
2. Push PTO switch down to disengage.
3. Push one motion control lever forward.
4. Turn key switch to the start position.
Result: The engine must not crank.
Testing Neutral Switch (Run)
1. Lock park brake.
2. Push PTO switch down to disengage.
3. Start engine.
4. Push one motion control lever forward.
5. Repeat procedure using the other lever.
6. Repeat procedure pushing each motion control lever rearward.
Result: The engine must stop when either lever is moved from neutral
position.
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CAUTION: Avoid injury! Engine exhaust fumes contain
carbon monoxide and can cause serious illness or death.
Move the machine to an outside area before running the
engine.
Do not run an engine in an enclosed area without adequate
ventilation.
• Connect a pipe extension to the engine exhaust pipe to
direct the exhaust fumes out of the area.
• Allow fresh outside air into the work area to clear the
exhaust fumes out.