Adjustments; General Precautions; Forward Speed Adjustment - Jacobsen Standing Zero Turn Rotary Mower ZT90023 Safety, Operation & Maintenance Manual

48/54 inch 121.9/137.2 cm cutting unit
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10 ADJUSTMENTS

10Adjustments

10.1 GENERAL PRECAUTIONS ________________________________________________________

Before you clean, adjust or repair this equipment, push PTO switch to the OFF position, lower the cutting unit to the
ground, turn on the parking brake switch, stop the engine and remove the key.
Make sure the mower is parked on a solid and level surface. Never work on a mower that is lifted only by the jack.
Always use the jack stands.
A qualified technician must always do adjustments and maintenance. If the correct adjustments can not be made,
contact your Jacobsen Dealer.
Inspect the equipment according to the maintenance schedule and keep complete records.
a
Keep the equipment clean.
b
Keep all moving parts correctly adjusted and lubricated.
c
Replace worn or damaged parts before you operate the mower.
d
Keep all fluids at the correct level.
e
Keep the shields in position and all hardware tight.
f
Keep the tires correctly inflated.
When you make the adjustments or repairs, do not wear jewelry or loose fitting clothing.
Refer to the illustrations in the Parts Manual for the removal and assembly of parts.
When you discard hazardous materials (batteries, lubricants, fuel, anti-freeze), follow your local, state or federal-
recommended procedures.

10.2 FORWARD SPEED ADJUSTMENT____________________________________________

The cutting quality is improved at speeds lower than the full transport
speed of the mower. The local turf condition may require a different
speed.
To adjust the forward speed, adjust the speed limit screws in the control
panel. Turn the screws to the right-side to decrease the forward speed.
Turn the screws toward the left side to increase the forward speed.
You can change the position of the forward stop to decrease the
maximum forward speed of the mower. Remove the bottom screw from
both sides of the speed stop. Rotate the forward stop toward the
operator position until you can install the screw in the lower hole.
Assemble both bottom screws.
en-47
!
WARNING
N
Speed Limit Screws
Bottom
Lower Hole
Screw
N
Forward
Stop

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