Gravely 991140 User Manual

EN - 28
3. Check blade balance by sliding an
unthreaded bolt through center hole. Hold
the bolt level. If blade does not remain
horizontal, sharpen the heavy end until
blade is balanced.
Install Blades
See Figure 31.
1. Secure lower spindle guards and blades
to spindles with one bevel washer and
hex bolt. Torque to 156 N•m – 217 N•m
(115 lb-ft – 160 lb-ft).
2. Reconnect spark plug wires.
CHECK PARKING BRAKE
IMPORTANT: Parking brake lever engages
drive wheels with two independent cables. It
is possible for parking brake to engage one
drive wheel only, indicating parking brake
cable on opposite side is out of adjustment.
1. Place unit in service position. See
Service Position on page 23.
2. Bypass transaxles. See Move Unit
Manually on page 22.
3. Push unit forward.
• If unit does not move forward, parking
brake is functioning correctly. Advance
to step 4.
• If unit moves forward easily or if just
one side of unit moves easily, adjust
parking brake. See Adjust Parking
Brake on page 34.
4. Return transaxle bypass levers to
operating position. See Move Unit
Manually on page 22.
5. Return seat to operating position.
CLEAN BATTERY
Remove Battery
See Figure 33.
1. Place unit in service position. See
Service Position on page 23.
2. Disconnect the negative cable and then
the positive cable from battery.
3. Remove wing knobs securing hold-down
bracket to battery and remove bracket.
4. Remove battery.
CAUTION: Unbalanced blades
cause excessive vibration and
eventual damage to unit.
Balance blades before
reinstalling on unit.
NEVER weld or straighten
blades.
CAUTION: Mating surfaces
between spindle, lower spindle
guard, blade and washer MUST
be free of debris to ensure
correct tightness and alignment.
Figure 32
DO NOT sharpen to this
pattern.
Sharpen to this pattern.
1. Cutting Edge
2. Square Corner
3. Air Lift Erosion
4. Air Lift
DISCARD if more than
1.3 cm (1/2")
1
1
2
4
3
WARNING: AVOID INJURY.
Battery posts, terminals and
related accessories contain lead
and lead compounds, chemicals
known to the State of California
to cause cancer and
reproductive harm. Wash hands
after handling.

Gravely 991140 Specifications

General

Brand	Gravely
Model	991140
Category	Lawn Mower
Language	English