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Battery Maintenance
•
The battery is filled with battery acid and then sealed at
the factory. However, every 50 operating hours remove the
fill caps and check the level of the liquid electrolyte in the
battery. If the level in any of the six cells has dropped below
the bottom of the split ring inside the fill hole, refill the cell
with distilled water.
•
Spray the terminals and exposed wire with a battery
terminal sealer, or coat the terminals with a thin coat of
grease or petroleum jelly, to protect against corrosion.
•
Always keep the battery cables and terminals clean and
free of corrosion.
•
Avoid tipping. Even a sealed battery will leak electrolyte
when tipped.
WARNING!
Batteries contain sulfuric acid and may
emit explosive gases. Use extreme caution when
handling batteries. Keep batteries out of the reach
of children.
Tire Maintenance
Check the tire air pressure before each use. Inflation pressure
of the rear tires is important for stability while the mower is in
operation. If the tire diameter is not equal between the two tires,
the mower will pull to one side. Keep the tires inflated to the
recommended pressures. Improper inflation will shorten the tire
service life. See the tire side wall for proper inflation pressures.
Observe the following guidelines:
•
Do not inflate a tire above the maximum pressure shown
on the sidewall of the tire.
•
Do not reinflate a tire that has been run flat or seriously
under inflated. Have a qualified tire mechanic inspect and
service the tire.
•
Balance inflation pressure between the rear tires to help
maintain straight travel (see tire side wall for proper
inflation pressure).
•
Keep the valve caps tightened to prevent air pressure loss.
Inflation Pressure
Traction Tires — 20 psi max; 10-12 psi recommended
Front Wheel — 25 psi max; 20-25 psi recommended
Cutting Deck Ball Wheels — Solid Polyurethane
Leaking Tires
When a flat tire occurs, repair or replace immediately. The normal
procedure is to remove the wheel and replace it. If a tire is
getting soft, park the mower on the nearest level, paved area.
1.
Rear Tire
a.
Put blocks on each side of the opposite traction
wheel and jack up the tire that leaks about an inch
off the ground.
b.
Loosen and remove the lug nuts and remove the
wheel.
c.
Mount a wheel and tire, replace the lug nuts, and
using a torque wrench, tighten them to 60 ± 10
ft-lbs.
2.
Front wheel
a.
Set the park brake and block both traction wheels
and raise the caster wheel so that the tire is an inch
off the ground.
b.
Loosen and remove the locknut from the axle
assembly and pull the axle assembly from the yoke.
The wheel and two spacer sleeves will drop free.
c.
Slip the axle assembly through one side of the yoke,
through a spacer sleeve, a wheel, the other spacer
sleeve and finally through the other side of the yoke.
d.
Tighten the locknut on the end of the axle assembly.
e.
Lower the mower off the jack and continue mowing.
The wheel with the leaking tire should be inflated to 20 psi and
the wheel placed in a large bucket of water. Carefully inspect the
tire, rim and valve for escaping air bubbles which indicate a leak.
Mark each leak with a yellow marking crayon and then deflate
the tire to 8 psi and repeat the inspection. If the leaks you find
are pin hole size to 1⁄16" diameter, the tire can be repaired. If the
leaks are larger than 1⁄16" diameter, the tire can be repaired. If the
tire bead is damaged, the tire can be repaired or the tire will have
to be replaced.
Lubrication
•
Using a pressure lubricating gun, lubricate all grease
fittings and points as noted in the Lubrication Chart.
•
Lubricate all other pivot points with a quality lubricating oil
as noted in the Oil Chart.
s
6 — M
ectiOn
& a
aintenance
djustMents
29
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