Cutting Blades; Fuses - Troy-Bilt Super Bronco Operator's Manual

Cutting Blades
,_ WARNING: Be sure to shut the engine
off, remove ignition key,disconnect the
spark plug wire(s) and ground against
the engine to prevent unintended starting
before removing the cutting blade(s) for
sharpening or replacement. Protect your
hands by using heavy gloves or a rag to
grasp the cutting blade.
WARNING: Periodically inspect the blade
spindles for cracks or damage, especially
if you strike a foreign object. Replace
immediately if damaged.
The bladesmay be removedas follows.
1. Removethe deck from beneaththe tractor,(referto
CuttingDeckRemoval o n page21) then gentlyflip
thedeck overto expose its underside.
2. Placea blockof wood betweenthe centerdeck hous-
ing baffle and the cuttingbladeto act as a stabilizer.
See Fig. 6-5.
3. Use a 15/16"wrenchto removethe hexflangenut
that securesthe bladeto the spindleassembly.See
Fig. 6-5.
4. Toproperlysharpenthe cuttingblades,removeequal
amountsof metalfrom bothends of the bladesalong
thecutting edges,parallelto the trailingedge,at a
250to 300angle.
IMPORTANT:If the cuttingedgeof the blade hasalready
been sharpenedto within 1 5/8" from theedge,or if any
metal separation is present,replacethe bladeswith new
ones. See Fig.6-6.
• It is importantthat eachcuttingblade edge be ground
equallyto maintainproperblade balance.
Whenreplacingtheblade,be sureto installthe blade
with the sideof the blade marked"Bottom" (or with
a part numberstampedin it) facingthe groundwhen
the moweris in the operatingposition.
IMPORTANT:Usea torquewrenchto tighten the blade
spindlehexflangenutto between70 foot-poundsand 90
foot-pounds.
f
J
Figure 6=5
f
Figure 6=6
Fuses
A fuse is installedin your tractor'swiringharnessto
protectthe tractor'selectricalsystemfromdamage
causedby excessiveamperage.
If the electricalsystemdoes notfunction,or your
tractor'senginewill notcrank,first checkto be certain
that the fuse has notblown.
• It can eitherbe foundunderthe hood mountedbehind
the top of the dashpanelon the supportbar,or under
the seat mountedto the insideof the tractorframe
nextto the batterytray.
Always use a fuse with the same amperage
capacity for replacement.
23
Maintaining
Yo ur Lawn
WARNING
Periodically inspect
the blade spindles for
cracks or damage,
especially if you strike
a foreign object.
:_eplace immediately if
damaged.
Always use a fuse with
the same amperage
capacity for replace-
ment.