ZT4000 - 44” & 48” Mower Deck
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Check Mower
Assembly
Check Torque - Mower Blades
1. Park machine on a flat, level surface and engage the
parking brake.
2. Lock the deck lift pedal in the 5” (12,7 cm) position.
3. Check that blades are installed with the tabs pointing up
towards the deck as shown in Figure 13. Torque bolts
to 70 ft.lbs. (94 Nm).
Figure 13. Check Blade Torque
A. Blade Bolt
B. Flat Washer
WARNING
Avoid injury! Mower blades are sharp.
• Mower blades are sharp. For your personnal safety, do
NOT handle mower blades with bare hands.
• Careless or improper handling of blades may result in
serious injury.
• Blade mounting bolts must each be installed with a flat
washer then securely tightened. Torque blade mounting
bolts to 70 ft.lbs (94 Nm).
Figure 14. Check Lift Rod Timing
Deck Lift Rod Timing
And Leveling Adjustment
1. Park machine on a flat, level surface. Disengage the
PTO, stop the engine and engage the parking brake.
Rear tires must be inflated to 15 psi (1,03 bar); front
tires to 40 psi (2,76 bar).
2. To check the lift rod timing, measure and record the
distance between the lift pivots and the rod pivots.
Repeat for other side of unit. See Figure 14.
3. If the measurements are equal, skip to Step 5. If the
measurements are NOT equal (greater than 1/8” (3,17
mm) difference), adjustment is required, continue with
Step 4.
4. Refer to Figure 15. To adjust the lift rod timing, adjust
the 5/8” hex nuts on either side of the front lift pivot
until the measurements are equal. Repeat for other
side.
5. Place the deck height adjustment pin in the 4” (10,2 cm)
position.
Figure 15. Adjust Lift Rod Timing
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