Battery Service - Toro Greensmaster 3150 Service Manual

Battery Service

The battery is the heart of the electrical system. With
regular and proper service, battery life can be extended.
Additionally, battery and electrical component failure
can be prevented.
CAUTION
When working with batteries, use extreme cau-
tion to avoid splashing or spilling electrolyte.
Electrolyte can destroy clothing and burn skin or
eyes. Always wear safety goggles and a face
shield when working with batteries.
Electrolyte Specific Gravity
Fully charged: 1.265 corrected to 80
Discharged: less than 1.240
Battery Specifications
BCI Group Size U1
300 Amp Cranking Performance at 0
28 Minute Reserve Capacity at 80
Removal (Fig. 25 and 26)
IMPORTANT: Be careful not to damage terminal
posts or cable connectors when removing the bat-
tery cables.
1. Remove wing nuts, and battery retainer.
2. Disconnect the ground cable (–) first to prevent
short circuiting the battery, other components, or the op-
erators hands. Disconnect the positive (+) cable.
3. Make sure that the filler caps are on tightly.
4. Remove battery from the battery compartment to a
service area. This will minimize possible battery dam-
age and allow better access for inspection and service.
Inspection, Maintenance, and Testing
1. Perform following inspections and maintenance:
A. Check for cracks caused by overly tight or loose
hold–down clamp. Replace battery if cracked and
leaking.
B. Check battery terminal posts for corrosion. Use
a terminal brush or steel wool to clean corrosion
from the battery terminal posts.
IMPORTANT: Before cleaning the battery, tape or
block the vent holes to the filler caps and make sure
the caps are on tightly.
Greensmaster 3150
o o
F (26.7 C)
o o
F (–17.8 C)
o o
F (26.7 C)
2. Conduct a hydrometer test of the battery electrolyte.
IMPORTANT: Make sure the area around the cells is
clean before opening the battery caps.
Page 5 – 19
2 1
1
Figure 25
1. Wing nut 2. Battery retainer
FILLER CAPS
CAP TUBES
CORRECT
WATER
LEVEL
Figure 26
C. Check for signs of wetness or leakage on the top
of the battery which might indicate a loose or mis-
sing filler cap, overcharging, loose terminal post, or
overfilling. Also, check the battery case for dirt and
oil. Clean the battery with a solution of baking soda
and water, then rinse it with clean water.
D. Check that the cover seal is not broken away.
Replace the battery if the seal is broken or leaking.
E. Check the electrolyte level in each cell. If the lev-
el is below the tops of the plates in any cell, fill all
cells with distilled water to the bottom of the cap
tubes. Charge at 15 to 25 amps for 15 minutes to al-
low sufficient mixing of the electrolyte.
A. Measure the specific gravity of each cell with a
hydrometer. Draw electrolyte in and out of the
hydrometer barrel prior to taking a reading to warm–
up the hydrometer. At the same time take the tem-
perature of the cell.
Rev. A
COVER SEAL
Electrical System