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8. Install sharpened or new blades onto the blade hub
shown in Fig. AA, BB.
9. Blade 2
is installed first, the bolt holes being aligned
52
with the outer blade studs
hole
55
on the blade hub
nOTE: Ensure the keyed mounting hole
key
57
on the blade hub
key
57
should be proud of blade 2
10. Blade 1
53
is installed second, the bolt holes being aligned
with the inner blade studs
hole
55
on the blade hub
nOTE: Ensure the keyed mounting hole
the key
on the blade hub
57
shown in Fig. BB.
nOTE: If blade 1
53
is not flush with the key
blade hub
48
, then the blades have been mounted in the
incorrect order and must be reversed.
11. Thread the four blade nuts
and
as shown in Fig. AA, BB. Hand tighten the four
58
blade nuts
.
51
nOTE: When replacing sharpened or new blades on blade
hub
48
make sure the bottom of the blade as marked
Grass Side will be facing the ground when the mower is
returned to its normal upright position.
12. Secure the blade assembly
blade nuts
51
clockwise with a 14 mm (9/16") wrench
(not included). Torque the four blade nuts
(13-20 ft-lbs).
13. In this order, install the blade assembly
spacer
45
onto the blade shaft
nOTE: Align the keys
46
key slots
on the blade shaft
60
14. Install the blade assembly bolt
15. Position the 38 mm x 89 mm timber
assembly
and outer lip of deck as shown in Fig. DD to
47
keep the blades from turning.
16. Fully tighten the blade assembly bolt
14 mm (9/16") wrench
assembly bolt
to 50-68 Nm (37-50 ft-lbs).
43
17. Return the mower to its normal upright position.
Blade Sharpening
KEEP BLADE SHARP FOR BEST MOWER PERFORMANCE. A DULL
BLADE DOES NOT CUT GRASS CLEANLY.
WARNING: Use gloves and proper eye protection while
removing, sharpening, and installing blades. Ensure that
safety key and battery packs are removed.
Sharpening the blades twice during a mowing season is usually
sufficient under normal circumstances. Sand causes the blade
to dull quickly. If your lawn has sandy soil, more frequent
sharpening may be required. REPLaCE BEnT OR DaMaGED
BLaDEs IMMEDIaTELY.
When Sharpening a Blade:
•
Make sure blade remains balanced.
•
Sharpen blades at the original cutting angle.
60
60
and keyed mounting
56
48
as shown in Fig. AA.
55
engages the
48
as shown in Fig. AA. The
52
.
58
and keyed mounting
48
as shown in Fig. BB.
engages
55
and sits flush as
48
57
51
onto the blade studs
47
in a vise
34
. Tighten the four
51
to 18-27 Nm
47
and keyed
49
as shown in Fig. CC.
on the keyed spacer
45
as shown in Fig. CC.
49
43
and hand tighten.
42
between the blade
43
using a
44
(not included). Torque the blade
48
as
•
Sharpen cutting edges on both ends of blade, removing
equal amounts of material from both ends.
To Sharpen Blade in a Vise (Fig. EE)
1. Be sure the bail handle is released, the blades have stopped
and safety key and battery packs are removed before
removing the blades.
2. Remove blades from mower. See instructions for Removing
and Installing Blades.
3. Secure blade
4. Wear proper eye protection and gloves and be careful not
to cut yourself.
5. Carefully file the cutting edges of the blade with a fine tooth
file
(not included) or sharpening stone (not included),
54
maintaining the angle of the original cutting edge.
on the
6. Check balance of blade. See instructions for Blade Balancing.
7. Replace blades on mower and tighten securely.
56
Blade Balancing (Fig. EE, FF)
Check balance of each blade
mounting hole
clamped horizontally in a vise
rotates downward, file along the sharp edge of that dropping
end. Blade is properly balanced when neither end drops.
Cleaning (Fig. A)
44
WARNING: Blow dirt and dust out of all air vents with
clean, dry air at least once a week. To minimize the risk
of eye injury, always wear approved eye protection and
approved dust mask when performing this procedure.
WARNING: Never use solvents or other harsh chemicals
with the
for cleaning the non-metallic parts of the tool. These
chemicals may weaken the plastic materials used in
these parts. Use a cloth dampened only with water and
mild soap. Never let any liquid get inside the tool; never
immerse any part of the tool into a liquid.
•
Release bail handle
come to a stop.
•
Remove the battery packs and safety key.
•
Clean out any clippings which may have accumulated on
the underside of the deck. Do not spray with water or any
other liquids.
•
After several uses, check all exposed fasteners for tightness.
Corrosion (Fig. A)
Fertilizers and other garden chemicals contain agents which
greatly accelerate the corrosion of metals. If you mow in areas
where fertilizers or chemicals have been used, the mower
should be cleaned immediately afterward as follows:
Release bail handle
packs and safety key. Wipe all exposed parts with a damp cloth.
CAUTION: Do not pour or spray water on the mower
in an attempt to clean it. Do not store the tool on or
adjacent to fertilizers or chemicals. Such storage can cause
rapid corrosion.
or
in a vise
.
53
52
34
or
by placing the keyed
53
52
55
over a nail or round screwdriver
34
. If either end of a blade
to turn mower off, let the blades
8
8
to turn mower off and remove battery
33
,
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