Gravely 992111, Owner'S And Operator'S Manual

Page: 18 / 36

GB - 22
• Eyes: Flush with water for at least 15 minutes and get
medical attention immediately!
• Internal Contact: Drink large quantities of water. Follow
with Milk of Magnesia, beaten egg or vegetable oil. Get
medical attention immediately!
• In case of internal contact, DO NOT induce vomiting!
IMPORTANT: DO NOT fast charge. Charging at a higher
rate will damage or destroy battery. ALWAYS follow
information provided on battery and battery charger. Contact
battery manufacturer and battery charger manufacturer for
detailed instructions.
1. Remove battery from unit (see Battery Removal and
Installation on page 21).
2. Place battery on bench or other well-ventilated area.
3. Connect positive (+) lead of charger to positive (+)
terminal, and negative (–) lead to negative (–) terminal.
4. Charge battery according to the instructions from battery
charger manufacturer and battery manufacturer.
5. Install battery on unit (see Battery Removal and
Installation on page 21).
Jump-Starting
Gravely does not recommend jump-starting your unit.
Jump-starting can damage engine and electrical system
components. See your Engine Manual for more detailed
information.
MOWER BLADE REMOVAL
NOTE: If mower is used under sandy soil conditions, replace
mower blades when air lifts become eroded through at ends
(figure 12).
Removal (Figure 11)
1. Block mower blades to prevent rotation.
2. Remove bolts, washers, and mower blades from spindle
shafts.
Installation
(Figure 11)
1. Install mower blades, washers, and bolts on spindle
shafts.
2. Tighten bolts to 115-125 lbf-ft (156-169 N•m).
SHARPENING MOWER BLADE
NOTE: If mower is used under sandy soil conditions, replace
mower blades when air lifts become eroded through at ends
(figure 12).
1. Remove mower blade from unit.
Discard mower blade if (figure 12):
• More than 1/2 in. (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
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 on unit.
CAUTION: Mower blades are sharp and can cut
you. Wrap mower blades or wear gloves, and use
extra caution when servicing.
Figure 11
OF3312
1
1. Mower Blade
2. Spindle Shaft
3. Washer
4. Bolt
2
3
4
3
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 12
OF3310
1
2
DO NOT Sharpen To This Pattern
Sharpen To This Pattern
1. Air Lift Erosion
Area
2. Cutting Edge
DISCARD
if more
than 1/2 in.
(1.27 cm)