Checklist B Procedures; Inspect The Batteries; Electrocution/Burn Hazard - Genie ZX-135/70 Service Manual

August 2014
B-1

Inspect the Batteries

Genie specifications require that this procedure be
performed every 250 hours or quarterly, whichever
comes first.
Proper battery condition is essential to good
engine performance and operational safety.
Improper fluid levels or damaged cables and
connections can result in engine component
damage and hazardous conditions.
There are 3 batteries on the machine. One is used
for starting the engine and powering the control
system. The other two batteries are 6V DC deep
cycle batteries which are wired in series to provide
power for the auxiliary power units. The batteries
are charged by the alternator through a battery
separator.

Electrocution/burn 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
contacting battery acid.
Neutralize battery acid spills with
baking soda and water.
Note: Fully charge the batteries and allow the
batteries to rest 24 hours before performing this
procedure to allow the battery cells to equalize.
Part No. 218700

Checklist B Procedures

1 Remove the cover from the auxiliary power
unit batteries located at the ground controls
side of the machine.
Note: Perform the remaining steps on the auxiliary
power unit batteries and the engine starting
battery.
2 Be sure that the battery cable connections are
free of corrosion.
Note: Adding terminal protectors and a corrosion
preventative sealant will help eliminate corrosion
on the battery terminals and cables.
3 Be sure that the battery retainers and cable
connections are tight.
4 Be sure that the battery separator wire
connections are tight (if equipped).
5 Put on protective clothing and eye wear.
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 11.
Result: One or more battery cells display a
specific gravity of 1.217 or below. Proceed to
step 8.
ZX-135/70
Service Manual
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