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Servicing The Fuses - Toro 74437 Operator's Manual

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1. Vent caps
2. Upper line
3. If the electrolyte is low, add the required amount of
distilled water; refer to Adding Water to the Battery
in the Electrical System Maintenance section..
Adding Water to the Battery
The best time to add distilled water to the battery is just
before you operate the machine. This lets the water mix
thoroughly with the electrolyte solution.
1. Remove the battery from the machine; refer to
Removing the Battery in the Electrical System
Maintenance section.
Important: Never fill the battery with distilled
water while the battery is installed in the
machine. Electrolyte could be spilled on other
parts and cause corrosion.
2. Clean the top of the battery with a paper towel.
3. Remove the vent caps from the battery (Figure 44).
4. Slowly pour distilled water into each battery cell
until the electrolyte level is up to the Upper line
(Figure 44) on the battery case.
Important: Do not overfill the battery because
electrolyte (sulfuric acid) can cause severe
corrosion and damage to the chassis.
5. Wait five to ten minutes after filling the battery cells.
Add distilled water, if necessary, until the electrolyte
level is up to the Upper line (Figure 44) on the
battery case.
6. Reinstall the battery vent caps.
Charging the Battery
Service Interval: Before storage
Important: Always keep the battery fully charged
(1.260 specific gravity). This is especially important
to prevent battery damage when the temperature is
below 32°F (0°C).
1. Remove the battery from the chassis; refer to
Removing the Battery.
Figure 44
3. Lower line
2. Check the electrolyte level; refer to Checking the
Electrolyte Level.
3. Make sure that the vent caps are installed in the
battery. Charge the battery for 1 hour at 25 to
30 amps or 6 hours at 4-6 amps. Do not overcharge
the battery.
4. When the battery is fully charged, unplug the charger
from the electrical outlet, then disconnect the
charger leads from the battery posts (Figure 45).
1. Positive battery post
2. Negative battery post
5. Install the battery in the machine and connect the
battery cables; refer to Installing the Battery.
Note: Do not run the machine with the battery
disconnected, electrical damage may occur.
Installing the Battery
1. Position the battery in the tray with the terminal
posts away from the control panel (Figure 43).
2. Install the positive (red) battery cable to the positive
(+) battery terminal.
3. Install the negative battery cable to the negative (-)
battery terminal.
4. Secure the cables with 2 bolts (1/4 x 3/4 inch),
washers (1/4 inch), and nuts (1/4 inch) (Figure 43).
5. Slide the red terminal boot onto the positive (red)
battery post.
6. Secure the battery with the hold-down (Figure 43).

Servicing the Fuses

The electrical system is protected by fuses. It requires
no maintenance; however, if a fuse blows, check the
component/circuit for a malfunction or short.
Fuse:
• Main F1-30 amp, blade-type
• Charge Circuit F2-25 amp, blade-type
33
Figure 45
3. Red (+) charger lead
4. Black (-) charger lead

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