Maintenance
Figure 35
1.Sharpen at original angle
2.Check the balance of the blade by putting it on a blade balancer (Figure 36). If the blade stays in a horizontal position, the blade is balanced and can be used. If the blade is not balanced, file some metal off the end of the sail area only (Figure 36). Repeat this procedure until the blade is balanced.
Figure 36
1. Blade | 2. Balancer |
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Installing the Blades
1.Install the blade onto the spindle shaft (Figure 34).
Important: The curved part of the blade must be pointing upward toward the inside of the mower to ensure proper cutting.
2.Hold the blade end using a rag or
3.Torque the blade bolt to
WARNING
Incorrect installation of the blade or components used to retain the blade cause the blade to come loose and could seriously injure or kill you or bystanders.
Always install the original Exmark blades, washers and blade bolts as shown.
Mower Belt Maintenance
Inspecting the Belts
Service Interval: Every 25 hours/Monthly (whichever comes first)
Check the belts for cracks, frayed edges, burn marks, or any other damage. Replace damaged belts.
Replacing the Mower Belt
Squealing when the belt is rotating, blades slipping when cutting grass, frayed belt edges, burn marks, and cracks are signs of a worn mower belt. Replace the mower belt if any of these conditions are evident.
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.Set the
4.For 48 and 52 inch decks only, remove the belt covers over the outside spindles.
5.Grasp both belt strands going to the clutch. Pull them to the rear of the machine and slip the belt off the clutch pulley as shown in Figure 37 and Figure 38.
WARNING
The spring is under tension when installed and can cause personal injury.
Be careful when removing the belt.
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