Toro 22189 - Removing the Blade; Sharpening the Blade; Balancing the Blade; Cleaning

A w or n or dama ged blade can br eak, and a
piece of the blade could be thr o wn into the
operator’ s or bystander’ s ar ea, r esulting in
serious per sonal injur y or death.
• Inspect the blade periodicall y f or w ear
or dama ge.
• R eplace a w or n or dama ged blade.
Removing the Blade
Grasp the end of the blade using a rag or a
thic kly padded glo v e . R emo v e the blade n uts , the
anti-scalp cup , and the blade ( Figure 28 ).
Sharpening the Blade
File the top side of the blade to maintain its
original cutting angle ( Figure 30 A) and inner
cutting edg e radius ( Figure 30 B). T he blade will
remain balanced if y ou remo v e the same amount
of material from both cutting edg es .
Figure 30
1. Sharpen at this angle only. 2. Maintain the original radius
here.
Balancing the Blade
1. Chec k the balance of the blade b y placing
the center hole of the blade o v er a nail or
screw dri v er shank clamped horizontally in a
vise ( Figure 31 ).
Figure 31
Note: Y ou can also c hec k the balance using a
commercially man ufactured blade balancer .
2. If either end of the blade rotates do wnw ard,
file that end (not the cutting edg e or the end
near the cutting edg e). T he blade is properly
balanced when neither end drops .
Installing the Blade
1. Install a shar p , balanced T oro blade , the
anti-scalp cup , and the blade n uts . T he sail of
the blade m ust point to w ard the top of the
mo w er housing for proper installation. T or que
the blade n uts to 23 to 27 ft-lb (32 to 37 N • m).
2. R etur n the mo w er to its operating position.
3. Connect the wire to the spark plug .
Cleaning
Cleaning under the Mower
Housing
T o ensure the best perfor mance , k ee p the
underside of the mo w er housing clean.
Washing Method
1. P osition the mo w er on a flat concrete or
asphalt surface near a g arden hose .
2. Star t the engine .
3. Hold the r unning g arden hose at handle lev el
and direct the w ater to flo w on the g round just
in front of the right rear wheel ( Figure 32 ).
Figure 32
1. Right rear wheel
Note: T he blade will splash into the path of
the blade , cleaning out the clippings .
4. Stop the engine and w ait for all mo ving par ts
to stop .
5. T ur n off the w ater .
6. Star t the mo w er and let it r un for a few min utes
to dr y out the moisture on the mo w er and its
components .
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