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Blade Maintenance
Replacing the Cutterblade
Service Interval: Yearly
Important:
Youwillneedatorquewrenchtoinstall
thecutterbladeproperly
. If you do not have a torque
wrench or are uncomfortable performing this
procedure, contact an Authorised Service Dealer.
Examine the cutterblade whenever you run out of
petrol. If the cutterblade is damaged or cracked, replace
it immediately. If the cutterblade edge is dull or nicked,
have it sharpened or replace it.
The cutterblade is sharp; contacting the
cutterblade can result in serious personal injury.
Wear gloves when servicing the cutterblade.
1. Disconnect the spark plug lead from the spark plug.
Refer to Preparing for Maintenance.
2. Tip the mower onto its side, with the air lter up.
3. Use a block of wood to hold the cutterblade steady
(Figure 51).
Figure 51
4. Remove the cutterblade, keeping all mounting parts.
5. Install the new cutterblade and all mounting parts.
Important: Position the curved ends of the
cutterblade to point toward the mower housing.
6. Use a torque wrench to tighten the cutterblade
bolt to 60 ft-lb (82 N⋅⋅
⋅
m).
Important: A bolt torqued to 60 ft-lb (82 N⋅⋅
⋅
m)
is very tight. While holding the cutterblade with
a block of wood, put your weight behind the
ratchet or wrench and tighten the bolt securely.
This bolt is very difcult to overtighten.
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