Exmark Quest 4500-450 - Manual (Page 41)

Maintenance
off the clutch pulley as shown in Figure 38 and
Figure 39.
WARNING
The spring is under tension when installed
and can cause personal injury.
Be careful when removing the belt.
Figure 38
48 and 52 Inch Decks
1. Outside puley 4. Mower belt
2. Spring 5. Engine pulley
3. Idler pulley 6. Pull belt strands in this
direction.
Figure 39
42 Inch Deck
1. Outside puley 4. Mower belt
2. Spring 5. Engine pulley
3. Idler pulley 6. Pull belt strands in this
direction.
6. Route the new belt around the mower pulleys.
7. Grasp both belt strands going to the clutch. Pull
them to the rear of the machine and slip the belt
onto the clutch pulley.
8. For 48 and 52 inch decks only, install the belt
covers over the outside spindles.
Leveling the Mower Deck
The mower blades must be level from side to side.
Check the side-to-side level any time you install the
mower or when you see an uneven cut on your lawn.
1. Park the machine on a level surface and disengage
the blade control switch.
2. Move the motion control levers outward to the
neutral position, engage parking brake, stop the
engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Check the air pressure of all four tires. If needed,
adjust to the recommended inflation; refer to
Checking the Tire Pressure in Drive System
Maintenance section. If either one is out of range
then follow adjustment procedure.
4. Carefully rotate the blades side to side.
5. Measure between the outside cutting edges and
the flat surface (Figure 40 and Figure 41). If both
measurements are not within 3/16 inch (5 mm),
an adjustment is required; continue with this
procedure.
Figure 40
48 and 52 Inch Decks
1. Blades side to side 2. Measure here
41