Carbon Canister Filter; Mower Blades - Gravely Pro-Turn 100 Operator's Manual

CARBON CANISTER FILTER

(If Equipped) (Figure 10)
Clean or replace the carbon canister filter
whenever the engine air filter is cleaned or
replaced.
Figure 10

MOWER BLADES

Remove
(Figure 11)
CAUTION: Use sturdy gloves or
padding to protect hands when
working with mower blades.
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
156 – 217 N•m (115 – 160 lb-ft).
3. Replace the ignition wire on the spark
plugs.
Carbon Canister
Filter
EN - 25
1
1. Blade
2. Cup Washer
3. Bolt
Sharpen the Mower Blades
(Figure 12)
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.
1. Remove mower blade from unit. Discard
mower blade if:
• More than 1.27 cm (1/2") 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
156 – 217 N•m (115 – 160 lb-ft).
2
3
Figure 11