Service and adjustments, I\de – Craftsman 536.797400 User Manual
Page 13
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SERVICE AND ADJUSTMENTS
CAUTION:
Always stop the engine
and disconnect the spark plug wire before
making any repairs to the Edger.
V-BELT REPLACEMENT
Your edger is equipped with a V-beit made
of a special compound. If the belt becomes
worn or breaks, replace it with an orignal
equipment belt as shown in the Repair
Parts section of this manual. Never use a
substitute.
• Disconnect the spark plug wire.
• Drain gasoline and oil from Edger.
• Tip Edger backwards on handle and
block top of handle against wall or bench.
• Remove three screws and flatwashers
from the belt guard as shown in figure
below.
'Screws
i\de
Bearing
Note direction of
J Housing
twist
* Push blade bearing housing back towards
engine to compress spring and release
tension on belt.
* Remove old belt {carefully note direction
of twist around engine pulley).
* While spring is compressed, install new
belt on quill and engine pulleys being sure
to twist belt in proper direction as shown
in figure above.
NOTE; If belt is not installed properly the
blade will not turn in the proper direction and
could damage the blade or belt. Refer to
figure above for proper direction of belt
travel.
BLADE REPLACEMENT
The cutting blade is subject to wear and
damage such as nicks and dents. This will
not generally affect its function.
This blade is specially designed to not re
quire sharpening. Do not attempt to sharpen
this blade. If worn or damaged the blade
should be replaced.
CAUTION:
When removing or tightening
the blade nut, always use the method
shown in figure below. The holding wrench
must always be positioned on the nut be-
ihind the cutting blade.
A
CAUTION:
Do not attempt to sharpen
this blade. You could cause damage to the
blade which could result in breakage and
possible user or bystander injury.
To replace the blade, do the following;
• Disconnect spark plug wire.
• Remove the 1/2-20 locknut shown in
figure below securing the blade to the
drive shaft.
• Remove the blade.
IMPORTANT;
Note the position of the
washer and the blade cutting edge to
' ensure proper re-assembly. The blade is
marked THIS SIDE OUT.
• Position the replacement blade against
the washer on the drive shaft and secure
with flange nut. Be sure to tighten nut
securely to 40-45 ft. lbs,
• Reconnect the spark plug wire.
WARNING; Always wear gloves when
working on blade, it is sharp.
Tightening
Wrench
Holding
Wrench
Locknut
Blade
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