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Maintenance(Continued)
WARNING
DO NOTattempt any maintenance, adjustments or service
with engine and blade running. STOPengineand blade.
Disconnect spark plug wire and secure awayfrom spark
plug. Engineand components are HOT.Avoid serious
burns, allow sufficient time for all components to cool.
BladeSharpening(Continued)
4. Sharpen the bladeon a grinding wheel at an angle of 22
to 28 degrees (B, Figure 23). DO NOTsharpen the blade
beyond the original cutting edge(A).
Do not sharpen
beyond original
cutting edge
Endview of
bladeassembly
Figure 23: Sharpening the mower blade
5. Check blade for balance.If necessary,correct balance by
grinding heavyend of blade.
6. Reinstall blade (B, Figure 22}. Note the correct
assembly order:
(A) Blade hub
(B) Blade
(C) Bladeflange (facing up)
(D) Conewasher (concave side up)
(E) Capscrew
7. Checktorque of blade retaining cap screw.
Recommendedtorque should be 40 ft. Ibs.
Wheel DriveControlAdjustment
(Self-PropelledModelsOnly)
1. The wheel drive control is properly adjusted when there
is 1/16" to 1/8" clearance (G, Figure24) betweenthe
inside of the spring hook (E) and the inside of the clutch
cable eye (C) with the wheel drive control released.
Figure 24: Wheeldrive control adjustment
2. To adjust, unhook the upper spring (D) from the cable
eye and rotate the spring in the direction required to
extend or shorten the spring length.
3. Rehook the upper spring to the cable eye and check
clearance. Repeatthe procedure if required.
Note. Thevinyl spring cover(B) should be kept over the
spring at aft times except for adjustments.
.
If the wheel drive control fails to return quickly to the
"OFF" position when released,check for binding at the
cable holdings located on the side of the right handle.
The upper clip should be located 2" below the upper
knob; the lower clip should be 4" above the lower knob.
The cable should slide freely with the clips installed at
these locations.
m.
€'D
13
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