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Electrical System
Maintenance
Important: Whenever working with the electrical
system, always disconnect the battery cables,
negative (-) cable first, to prevent possible wiring
damage from short-outs.
Servicing the Battery
Service Interval: Every 50 hours
WARNING
CALIFORNIA
Proposition 65 Warning
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.
Keep the top of the battery clean. If you store the
machine in a location where temperatures are extremely
high, the battery will run down more rapidly than if the
machine is stored in a location where temperatures are
cool.
Keep the top of the battery clean by washing it
periodically with a brush dipped in ammonia or
bicarbonate of soda solution. Flush the top surface with
water after cleaning it. Do not remove the fill caps while
cleaning the battery.
The battery cables must be tight on the terminals to
provide good electrical contact.
If corrosion occurs at the terminals, disconnect the
cables, negative (-) cable first, and scrape the clamps and
terminals separately. Reconnect the cables, positive (+)
cable first, and coat the terminals with petroleum jelly.
WARNING
Battery terminals or metal tools could short against
metal machine components causing sparks. Sparks
can cause the battery gasses to explode, resulting
in personal injury.
• When removing or installing the battery, do not
allow the battery terminals to touch any metal
parts of the machine.
• Do not allow metal tools to short between
the battery terminals and metal parts of the
machine.
WARNING
Incorrect battery cable routing could damage the
machine and cables causing sparks. Sparks can
cause the battery gasses to explode, resulting in
personal injury.
• Always disconnect the negative (black) battery
cable before disconnecting the positive (red)
cable.
• Always connect the positive (red) battery cable
before connecting the negative (black) cable.
Storing the Battery
If the machine will be stored more than 30 days, remove
the battery and charge it fully. Either store it on a shelf
or on the machine. Leave the cables disconnected if it
is stored on the machine. Store the battery in a cool
atmosphere to avoid quick deterioration of the charge in
the battery. To prevent the battery from freezing, make
sure it is fully charged. The specific gravity of a fully
charged battery is 1.265-1.299.
Checking the Fuses
The fuses are located under the control panel. Access
them through the side panel cover (Figure 49). To open
the side panel cover, release the 2 latches and pull out
on it.
If the machine stops or has other electrical system issues,
check the fuses. Grasp each fuse in turn and remove
them one at a time, checking to see if any are blown. If
you need to replace a fuse, always use the same type
and amperage rated fuse as the one you are replacing,
otherwise you could damage the electrical system
(refer to the decal next to the fuses (Figure 50) for a
diagram of each fuse and its amperage).
Note: If a fuse blows frequently, you probably have a
short in the electrical system and should have it serviced
by a qualified service technician.
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