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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 25
1. Adjusting bolt
2. Belt-tension spring
3. Adjusting nut
Important:
Do not overtighten the adjusting
bolt. This could damage the blade-drive belt.
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.
(Figure
25).
4. Gap
5. Wall
WARNING
When servicing the blade, the blade can still
move even though the power source is off.
The blade is sharp; contacting the blade can
result in serious personal injury.
• Keep your hands and feet away from a
moving blade.
• Wear gloves when servicing the 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
26); refer to
13).
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1. Handle locked in the vertical position
2.
Tip the machine onto its side, with the washout
fitting of the machine up in the air, until the upper
handle rests on the ground.
Inspecting the Blades
Service Interval: Before each use or daily
1.
Inspect the cutting edges
edges are not sharp or have nicks, remove the
blades and have them sharpened or replace
them.
22
Adjusting the Handle Height (page
Figure 26
(Figure
27). If the
(Figure
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