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Servicing the Blade-Drive
System
Service Interval: Every 50 hours
1.
Remove the blade-drive system cover
36).
Figure 36
1. Bolts
2.
Brush or blow out debris from the inside of the
shield and around all the parts.
3.
Hold a 0.25 mm (0.010 inch) feeler gauge, a
piece of paper, or a note card against the wall
and slide it down behind the belt tension spring.
Note:
If there is a visible gap between the
gauge and the spring, tighten the adjusting bolt
and the nut until the paper barely slides freely in
and out of the gap
Figure 37
1. Belt-tension spring
2. Adjusting bolt
3. Gap
Important:
Do not overtighten the adjusting
bolt. This could damage the blade-drive belt.
(Figure
2. Cover
(Figure
37).
4. Adjusting nut
5. Blade-drive belt
6. Wall
4.
Install the blade-drive system cover that you
previously removed.
Servicing the Blades
Service Interval: Yearly
Important:
You will need a torque wrench to
install the blades properly. If you do not have a
torque wrench or are uncomfortable performing
this procedure, contact an Authorized Service
Dealer.
Examine the blades whenever you run out of fuel. If
the blades are damaged or cracked, replace them
immediately. If the blade edges are dull or nicked,
have them sharpened and balanced, or replace them.
Important:
Always wear padded gloves when
working with the blade.
WARNING
g016491
A worn or damaged blade can break, and a
piece of the blade could be thrown toward you
or bystanders, resulting in serious personal
injury.
• Inspect the blades periodically for wear or
damage.
• Replace a worn or damaged blade.
Note:
Maintain sharp blades throughout the cutting
season, because sharp blades cut cleanly without
tearing or shredding the grass blades.
Preparing to Service the Cutting
Blades
1.
Lock the handle in the vertical position
38); refer to
11).
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27
Adjusting the Handle Height (page
(Figure
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