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EDGERBLADE
REPLACEMENT
[,_
ARNING: To avoid serious personal injury,
always wear g oves whi e hand ing, removing or
installing the blade.
I_lb
ARNING: The gear housing gets hot
I
after long periods of use. To avoid serious
hasPers°nacooled.njury'
do not touch the hous ng unt
t
1.
Line up the hole in output shaft with the locking rod
slot. Insert the locking rod through the slot into the
output shaft hole (Fig. 7).
2.
Hold the locking rod in place by grasping it next to
the boom of the unit (Fig.8).
3. While holding the locking rod, loosen the nut on the
blade by turning it clockwise
with a 5/8 inch wrench
(Fig. 9). Remove the nut, retaining washer and blade.
Keep the nut and blade retainer for installation.
4.
Install the new blade, blade retainer, and nut
(Fig. 10). Insert the locking rod through the slot into
the output shaft hole. Make sure that the blade stays
flat and centered against the output shaft while
tightening the lock nut counterclockwise
(Fig. 11).
5.
If you have a torque wrench, tighten the nut to
325-335 in..Ibs (37-38 N.m), while holding the
locking rod in the slot.
If you do not have a torque wrench, hold the locking
rod in the slot. Rotate the nut counterclockwise
with
a 5/8 inch closed-ended
or socket wrench, until the
nut presses against the washer and the blade is
snug. Make sure the blade assembly is installed
correctly, then rotate the nut an additional 1/4-1/2
turn (Fig. 11).
6.
Remove the locking rod.
I_ID
ARNING: Verify the blade is flat against the
output shaft after the nut is tightened. If the
blade is off-center, the unit will be
damaged by vibration, and the blade may fly
off, which can cause serious personal injury.
Locking Rod
Edger Blade_
Loosen
Fig. 9
_
Lock Nut
_de
Retainer
Locking Rod
Fig. 10
Locking Rod
Output Shaft
Locking Rod
Slot
Tighten
Fig. 7
Fig. 11
9
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