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Operator's Manual
Third Edition • Second Printing
Part No. 97779 GR-12 • GR-15 • GR-20 7
Battery Safety
Burn Hazards
Batteries contain acid. Always wear protective
clothing and eye wear when working with batteries.
Avoid spilling or contacting battery acid. Neutralize
battery acid spills with baking soda and water.
Do not expose the batteries or the charger to
water or rain during charging.
Explosion Hazards
Keep sparks, flames
and lighted tobacco
away from batteries.
Batteries emit an
explosive gas.
The battery tray should
remain open during the
entire charging cycle.
Do not contact the battery terminals or the cable
clamps with tools that may cause sparks.
Component Damage Hazard
Do not use any battery charger greater than 24V to
charge the batteries.
Electrocution Hazards
Connect the battery charger to a
grounded, AC 3-wire electrical
outlet only.
Inspect daily for damaged cord,
cables and wires. Replace
damaged items before
operating.
Avoid electrical shock from contact with battery
terminals. Remove all rings, watches and other
jewelry.
Tip-over Hazard
Do not use batteries that weigh less than the
original equipment. Batteries are used as
counterweight and are critical to machine stability.
Each battery must weigh 28 kg.
Lifting Hazard
Use the appropriate number of people and proper
lifting techniques when lifting batteries.
SAFETY RULES