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MOWER MAINTENANCE
Securing Nuts & Bolts
Regularly check that all securing nuts and bolts are tight.
Replace missing or damaged items immediately.
Clutch Cable Adjustment
(Code 434 & 435 only)
Check the clutch cable operation every 25 operating
hours and adjust if necessary. The clutch cable is adjusted
correctly when the belt drive just engages with the clutch
lever positioned 32-38mm from the handlebar. (Refer
fig.26)
Unscrew the locknuts and screw the adjuster in or out as
necessary. Tighten the locknuts when correctly adjusted.
(Refer fig.27)
Lubrication
Lubricate the wheels, pivot points and linkages with
engine oil every 25 operating hours.
Apply a good quality medium grease to the inner control
cables at the point of entry and exit from their outer cas-
ing.
Cutterblade Removal
Drain the fuel by running the engine until the fuel tank
is empty and the engine stops. Remove the spark plug
lead and allow the engine to cool. Turn the mower on its
Fig. 26
Fig. 27
32-38mm
left hand side and ensure that the air cleaner side of the
engine is uppermost. (Refer fig.28)
Firmly grip the end of the cutterblade with a gloved hand
and remove the bolt, spring washer and distance piece
securing the cutterblade with a 9/16" A/F spanner. (Refer
fig.29)
To prevent accidents never work on the cutterblade
unless the spark plug lead has been removed. The
cutterblade has sharp edges. ALWAYS wear strong
gloves to protect your hands when working on the
cutterblade. DO NOT rotate tools towards the cutting
edges to avoid the risk of injury should the tool slip.
ALWAYS use genuine Hayter replacement parts.
The condition of the cutterblade and its mounting
arrangement should be checked regularly for signs of
wear or damage. Ensure that the cutterblade is not bent
or cracked.
A damaged cutterblade that is out of balance will vibrate
excessively and may break. DO NOT use an unbalanced
cutterblade.
Regularly check that the bolt securing the cutterblade is
tightened to the specified torque of 54Nm.
Fig. 28
Fig. 29
3
2
1
12
Replace the cutterblade every 2 years or sooner if
excessively worn or damaged.
To prevent injury it is wise to seek assistance when
turning the mower on its side.
Cutterblade Assembly
Assemble the cutterblade with the turned up edges facing
towards the engine. Secure the cutterblade using the bolt
(1), spring washer (2), and distance piece (3). (Refer
fig.29)
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