Gravely Pro-Turn 48, Owner'S And Operator'S Manual

Page: 27 / 46

EN - 27
CARBON CANISTER FILTER
(If Equipped) (Figure 10)
1. Check the carbon canister filter for
debris accumulation every time the unit
is filled with fuel. Remove any buildup.
2. Clean or replace the carbon canister
filter whenever the engine air filter is
cleaned or replaced.
MOWER BLADES
Remove
(Figure 11)
1. Turn the engine off. Remove the ignition
key. Remove the ignition wire from the
spark plugs.
2. Remove the bolts, cup washer, and
blades from the spindle shafts.
Replace
(Figure 11)
1. Put the blades, cup washers, and the
bolts back on the spindle shafts.
2. Tighten the bolts to a torque of
115 – 160 lbf-ft (156 – 217 N•m).
3. Replace the ignition wire on the spark
plugs.
Sharpen the Mower Blades
(Figure 12)
1. Remove mower blade from unit. Discard
mower blade if:
• More than 1/2" (1.27 cm) of metal is
removed.
• Air lifts become eroded.
• Blade is bent or broken.
2. Sharpen mower blade by removing an
equal amount of material from each end
of mower blade. DO NOT change angle
of cutting edge or round the corner of the
mower blade.
3. Check mower blade balance.
Slide mower blade on an unthreaded
bolt. A balanced blade should remain in
a horizontal position. If either end of
mower blade moves downward, sharpen
the heavy end until blade is balanced.
4. Install mower blade(s) on unit.
5. Tighten the bolts to a torque of 115 –
160 lbf-ft (156 – 217 N•m).
CAUTION:
Use sturdy gloves or
padding to protect hands when
working with mower blades.
Figure 10
1. Carbon Canister
2. Carbon Canister Filter
1
2
CAUTION:
DO NOT sharpen
mower blades while on unit. An
unbalanced mower blade will
cause excessive vibration and
eventual damage to unit. Check
mower blade balance before
reinstalling blades.
NEVER weld or straighten bent
blades.
Figure 11
1. Blade
2. Cup Washer
3. Bolt
1
3
2