CUTTING BLADES
A. REMOVAL FOR
SHARPENING
REPLACEMENT OR
NOTE: After operating the lawn tractor for a long
period of time, check the fluid level in the battery as
it can overheat and lose fluid.
WARNING: Be sure to disconnect and
ground the spark plug wire(s) and remove
ignition key before working on the cutting
blade to prevent accidental engine starting.
Protect hands by using heavy gloves or a
rag to grasp the cutting blades.
1. Remove the hex flange nut which holds the
blade to the blade spindle.
2. Remove the blade from the spindle.
B. SHARPENING
Remove the cutting blades by following the
directions of the preceding section.
When sharpening the blades, follow the original
angle of grind as a guide. It is extremely important
that each cutting edge receives an equal amount of
grinding to prevent an unbalanced blade. An
unbalanced blade will cause excessive vibration
when rotating at high speeds, may cause damage to
the mower and could break, causing personal injury.
The blade can be tested for balance by balancing it
on a round shaft screwdriver. Remove metal from
the heavy side until it balances evenly.
C. REASSEMBLY
When replacing blades, be sure to install the blade
with the side of the blade marked "Bottom" (or with
part number) facing the ground when the mower is in
the operating position. Carefully align "star" on blade
with "star" on spindle. Secure with hex flange nut.
BLADE MOUNTING TORQUE
Hex Flange Nut: 840 in. lb. min., 1080 in. lb. max.
To ensure safe operation of your unit, all nuts and
bolts must be checked periodically for correct
tightness.
BATTERY CARE AND MAINTENANCE
(TYPE "A" BATTERY)
Type "A" batteries are sealed and are maintenance
free.
BATTERY CARE AND MAINTENANCE
(TYPE "B" BATTERY)
CHARGING THE BATTERY
(ALL BATTERIES)
The engine is equipped with an alternator which
charges battery when tractor is operated. Under
normal conditions, the battery only needs to be
charged before, during and after off-season storage.
Follow the instructions under "Off-Season Storage."
To charge the battery" Battery PiN 725-1705D--
Charge at 2-3 amps for one hour. Battery P/N 725-
1707D, 725-0453G, and 725-1750--Charge at 6
amps for one hour.
REMOVING / INSTALLING / JUMP STARTING
WARNING: When removing or installing
the battery, follow these instructions to
prevent the screwdriver from shorting
against the frame.
Removing the Battery: Disconnect negative cable
first, then positive cable.
Installing the Battery: Connect positive cable first,
then negative cable.
Jump Starting
1. First, connect end of one jumper cable to the
positive terminal of the good battery, then the
other end to the positive terminal of the dead
battery.
2. Connect the other jumper cable to the negative
terminal of the good battery, then to the FRAME
OF THE UNIT WITH THE DEAD BATTERY.
,i_, WARNING: Failure to use this procedure
could cause sparking, and the gas in either
battery could explode.
CLEAN THE BATTERY
Clean the battery by removing it from the unit and
washing with a baking soda and water solution. If
necessary, scrape the battery terminals with a wire
brush to remove deposits. Coat terminals and
exposed wiring with grease or petroleum jelly to
prevent corrosion.
CHECK FLUID LEVEL
Check fluid level inside each cell of the battery every
two weeks and before and after charging. Always
keep level between maximum and minimum fill level.
Add only distilled water. Never add additional
acid or any other chemicals to the battery after initial
activation.
BATTERY FAILURES
Some common causes for battery failure are:
incorrect initial activation, lack of water, adding
chemicals other than water after initial activation,
undercharging, overcharging, corroded connections,
freezing. These failures do not constitute
warranty.
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