Sharpening the Blades
W hen shar pening blade, pieces of blade
could be thr o wn and cause serious injur y .
W ear pr oper ey e pr otection when shar pening
blade.
1. Use a file to shar pen the cutting edg e at both
ends of the blade ( Figure 70 ). Maintain the
original angle . T he blade retains its balance if
the same amount of material is remo v ed from
both cutting edg es .
Figure 70
1. Sharpen at original angle
2. Chec k the balance of the blade b y putting it on
a blade balancer ( Figure 71 ). If the blade sta ys
in a horizontal position, the blade is balanced
and can be used. If the blade is not balanced,
file some metal off the end of the sail area only
( Figure 72 ). R e peat this procedure until the
blade is balanced.
Figure 71
1. Blade 2. Balancer
Installing the Blades
1. Install the blade onto the spindle shaft
( Figure 72 ).
Important: T he cur v ed par t of the blade
must be pointing up w ard to w ard the inside
of the mo w er to ensur e pr oper cutting .
2. Install the spring disk and blade bolt. T he
spring disk cone m ust be installed to w ard the
bolt head ( Figure 72 ).
Figure 72
1. Sail Area of Blade 4. Blade Bolt
2. Blade 5. Cone Towards Bolt Head
3. Spring Disk
3. T or que the blade bolt to 85-110 ft-lb
(115-150 N ⋅ m).
Replacing the Grass
Deector
An unco v er ed discharge opening could
allo w the la wn mo w er to thr o w objects in
the operator’ s or bystander’ s dir ection and
r esult in serious injur y . Also, contact with
the blade could occur .
• Nev er operate the la wn mo w er unless
y ou install a co v er plate, a mulch plate, or
a g rass chute and catcher .
• Mak e sur e the g rass deflector is in the
do wn position.
1. R emo v e the loc kn ut, bolt, spring and spacer
holding the deflector to the pi v ot brac k ets
( Figure 73 ).
2. R emo v e the damag ed or w or n g rass deflector .
3. Place the spacer and spring onto the g rass
deflector . Place the L end of the spring behind
the dec k edg e .
Note: Mak e sure the L end of the spring is
installed behind the dec k edg e before installing
the bolt as sho wn in Figure 73
4. Install the bolt and n ut.
5. Place the J hook end of the spring around the
g rass deflector ( Figure 73 ).
54
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