Simplicity ZT4000 Series - Manual (Page 19)

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Figure 2. Checking Tire Pressure
Check Tire Pressures
Tire pressure should be checked periodically, and
maintained at the levels shown in the chart. Note that these
pressures may differ slightly from the “Max Inflation”
stamped on the side-wall of the tires. The pressures shown
provide proper traction, improve cut quality, and extend tire
life.
Figure 3. Seat Adjustment
A. Seat Adjustment Lever
A
Seat Adjustment
See Figure 3. The seat can be adjusted forward and back.
Move the lever (A, Figure 3) forward, position the seat as
desired, and release the lever to lock the seat into position.
Pushing the Rider by Hand
1. Disengage the PTO, engage the parking brake, turn the
ignition OFF, and remove the key.
2. Lift the seat plate to gain access to the hydraulic pumps.
3. To disengage the pumps (free-wheel position), turn the
hydraulic release valves (A, Figure 4) located on the
pumps COUNTER-CLOCKWISE a maximum of 2 full
turns.
4. Disengage the parking brake.
The tractor can now be pushed by hand.
5. After moving the tractor, re-engage the pumps (drive
position) by turning the release valves CLOCKWISE and
tighten to 80-120 in. lbs. (9.04 - 13.56 Nm) of torque.
Figure 4. Hydraulic System By-Pass
A. Hydraulic Release Valve
(left-hand pump shown)
Operation
NOTICE
Towing the unit will cause hydraulic pump and wheel •
motor damage.
Do NOT tow rider.
•
Do NOT use another vehicle to push or pull this unit. •
Tire Pressure
Front (S/N: 2013129510 & Below) 40 psi (2,76 bar)
Front (S/N: 2013129511 & Above) 25 psi (1,72 bar)
Rear 15 psi (1,03 bar)
A