JS07N·JS07·JS08·JS12·JS14
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Maintenance
Checklist B
B-1
Inspect the Batteries
This procedure be performed every 250 hours
or quarterly, whichever comes first.
Proper battery condition is essential to good
machine performance and operational safety.
Improper fluid levels or damaged cables and
connections can result in component damage
and hazardous conditions.
Electrocution hazard.
Contact with electrically charged circuits could
result in death or serious injury. Remove all
rings, watches and other jewelry.
Bodily injury hazard.
Batteries contain acid. Avoid spilling or con-
tacting battery acid. Neutralize battery acid
spills with baking soda and water.
1. Put on protective clothing and eye wear.
2. Release the battery pack latch and rotate
the battery pack out and away from the
chassis.
3. Be sure that the battery cable connec-
tions are free of corrosion.
Note: Adding terminal protectors and a corro-
sion preventative sealant will help eliminate
corrosion on the battery terminals and cables.
4. Be sure that the battery retainers and ca-
ble connections are tight.
5. Fully charge the batteries. Allow the bat-
teries to rest 24 hours before performing
this procedure to allow the battery cells to
equalize.
6. Remove the battery vent caps and check
the specific gravity of each battery cell
with a hydrometer. Note the results.
7. Check the ambient air temperature and
adjust the specific gravity reading for
each cell as follows:
• Add 0.004 to the reading of each cell for
every 10° / 5.5° C above 80° F / 26.7° C.
• Subtract 0.004 from the reading of each cell
for every 10° / 5.5° C below 80° F / 26.7° C.
Result: All battery cells display an adjusted⊙
specific gravity of 1.277 or higher.
The battery is fully charged. Proceed to step
12.
¤ Result: One or more battery cells display a
specific gravity of 1.217 or below. Proceed to
step 8.
8. Perform an equalizing charge OR fully
charge the batteries and allow the batter-
ies to rest at least 6 hours.
9. Remove the battery vent caps and check
the specific gravity of each battery cell
with a hydrometer. Note the results.
10. Check the ambient air temperature and
adjust the specific gravity reading for
each cell as follows:
• Add 0.004 to the reading of each cell for
every 10° / 5.5° C above 80° F / 26.7° C.
• Subtract 0.004 from the reading of each cell
for every 10° / 5.5° C below 80° F / 26.7° C.
Result: All battery cells display a specific⊙
gravity of 1.277 or greater. The battery is fully
charged. Proceed to step 12.
¤ Result: The difference in specific gravity
readings between cells is greater than 0.1 OR
the specific gravity of one or more cells is
1.172 or less. Replace the battery.
11. Check the battery acid level. If needed,
replenish with distilled water to 1/8 inch /
3 mm below the bottom of the battery fill
tube. Do not overfill.
12. Install the vent caps and neutralize any
electrolyte that may have spilled
.
a Batteries b Quick disconnect
c 300A fuse d Charger
Suitable for all models:
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