Operator's Manual
Third Edition • Second Printing
Part No. 97779 GR-12 • GR-15 • GR-20 15
Check the Batteries
Proper battery condition is essential to good
performance and operational safety. Improper fluid
levels or damaged cables and connections can
result in component damage and hazardous
conditions.
This procedure does not need to
be performed on machines with
sealed or maintenance - free
batteries.
Electrocution hazard. Contact with
hot or live 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.
Perform this test after fully
charging the batteries.
1 Put on protective clothing and eye wear.
2 Raise the platform approximately 1.5 m.
3 Open the battery cover. Rest the cover against
the chassis.
4 Lower the platform until the mast just contacts
the battery cover.
Crushing hazard. Keep hands clear
of the battery cover when lowering
the platform.
5 Turn the key switch to the off position.
6 Be sure that the battery cable connections are
tight and free of corrosion.
MAINTENANCE
7 Remove the battery vent caps.
8 Check the battery acid level. If needed,
replenish with distilled water to the bottom of the
battery fill tube. Do not overfill.
9 Install the vent caps.
10 Raise the platform and lower the cover.
Scheduled Maintenance
Maintenance performed quarterly, annually and
every two years must be completed by a person
trained and qualified to perform maintenance on this
machine according to the procedures found in the
service manual for this machine.
Machines that have been out of service for more
than three months must receive the quarterly
inspection before they are put back into service.