Maintaining And Servicing The Edger - Yard Machines 532 Operator's Manual

SECTION 6: MAINTAINING & SERVICING THE EDGER
WARNING: Disconnect the spark plug wire
and ground against the engine before
performing any adjustment, repairs or
maintenance.
Replacing the Edger Blade
WARNING: The edger blade is sharp. Wear
leather work gloves to protect your hands
when working around the edger blade.
• Use two wrenches (one wrench to prevent the hex
bolt head from spinning and the other to unthread
the hex lock nut) to remove the edger blade. See
Figure 14.
Hex Bolt Head
Figure 14
• Remove and discard the edger blade but retain the
bell washer and hex lock nut.
• Install the replacement edger blade (part no. 781-
0080), and the bell washer (cupped side facing
inward, against the blade) before securing with the
hex lock nut removed earlier.
Use a torque wrench to tighten the hex
IMPORTANT:
lock nut to between 37 foot-lbs. and 50 foot- lbs.
Replacing the Drive Belt
WARNING: Disconnect the spark plug wire
and ground against the engine before
performing the following steps.
WARNING: The edger blade is sharp. Wear
leather work gloves to protect your hands
when working around the edger blade.
To aid in reassembly, note the orientation
IMPORTANT:
of the drive belt on the blade spindle pulley and the
engine pulley prior to performing the following steps.
• Place the blade adjustment lever in the bevel
position. Refer to Figure 9.
• Remove the belt guard by removing the single self-
tapping screw which secures it to the blade spindle.
See Figure 15.
Remove the drive belt from around the blade spindle
pulley as follows:
1. Working in front of the edger, facing the spindle
Hex Lock Nut
housing, position the drive belt to the left, slightly off
the upper portion of the spindle pulley.
2. While holding the belt in this position with one hand,
carefully grasp the lower portion of the blade with
your other hand and rotate it away from you,
causing the belt to "roll" off of the pulley.
3. If it hasn't already freed itself, carefully remove the
drive belt from around the engine pulley. Discard
the belt.
Install the replacement belt (Part No. 754-0343) in the
same configuration that the original belt was routed as
follows:
1. Working in front of the edger, facing the spindle
housing, carefully reach beneath the edger and
loop the drive belt around the engine pulley.
2. Position the opposite end of the drive belt loop
around the lower portion of the spindle pulley,
allowing the remaining portion of the belt to rest to
the left, slightly off the upper portion of the pulley.
3. While holding the belt in this position with one hand,
carefully grasp the lower portion of the blade with
your other hand and rotate it toward you, causing
the belt to "roll" onto the pulley.
IMPORTANT:
seated snugly in both the engine pulley and the blade
spindle pulley.
• Replace the belt guard and self-tapping screw
removed in earlier steps.
10
Belt Guard
Figure 15
Make certain that the "V" side of the belt is
Self-tapping
Screw