Adjusting The Anti-Scalp Rollers; Positioning The Seat - Exmark Quest 4500-450 Operator's Manual

Exmark mfg. co. inc. zero-turn riding mower operator's manual
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Figure 10
1. Transport release handle 3. Height adjuster pin
2. Height-of-cut positions
2. Move the deck height adjuster pin to the desired
cut height.
3. Push the foot lever forward, pull the transport
release handle up and let the deck lower down to
the predetermined cut height by slowly decreasing
foot pressure allowing the foot lever to travel
rearward.
Adjusting the Anti-Scalp
Rollers
It is recommended to change the anti-scalp roller
position when the height of cut has changed.
1. Stop the machine and move the drive levers to
the neutral lock position.
2. Disengage the PTO.
3. Engage the park brake.
4. Stop the engine, remove the key and wait for all
moving parts to stop.
5. After adjusting the height of cut, adjust the
anti-scalp rollers by removing the nyloc nut.
6. Adjust the anti-scalp rollers for the normal
operating conditions. Place rollers in one of
the positions shown in Figure 11. Rollers will
maintain 3/4 inches (19 mm) clearance to the
ground to minimize gouging and roller wear or
damage.
Note: For Maximum Deck Flotation, place
the rollers one hole position lower. Rollers should
maintain 1/4 inch (6.35 mm) clearance to the
4. Foot actuated
height-of-cut lever
ground. Do Not adjust rollers to support the
deck.
For cutting heights above 3 1/2 inches (38 mm) use the
bottom hole. The rollers will still be effective against
1. Anti-scalp roller
mounting bracket
7. Torque hardware to 27-33 ft-lb (37-45 N-m) or
loss of roller may result.

Positioning the Seat

The seat can move forward and backward. Position
the seat where you have the best control of the
machine and are most comfortable.
• 48 and 52 Inch Units:
1. Push the adjustment lever towards the center
of the machine to release the seat adjuster
track (Figure 12).
1. Adjustment lever
2. Move the seat to the desired position and
release the lever to lock in that position.
• 42 Inch Unit:
23
Operation
Figure 11
scalping.
2. Cutting height
Figure 12

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