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12 ► GR29 User Manual
OPERATION
TOOL OPERATION
For best results, use only Stanley approved accesso-
ries. They have been designed and selected to get the
most from the tool.
Review the Safety Precautions given at the front of this
manual before operating the tool.
Remember to grip the tool with both hands at all times
during startup and operation and be sure you have full
balance before starting grinder rotation. Always keep
your body away from the “plane of rotation” of the grind-
ing wheel.
Always start the grinder with the wheel away from the
work surface. Start hydraulic ow at one gpm and slowly
increase ow to a level that produces desired efciency,
but allows the operator to maintain full balance and con-
trol.
WARNING
Starting the hydraulic grinder on the work with full
hydraulic ow can push the operator off balance,
creating a condition that can cause severe
personal injury.
Refer to the Troubleshooting section of this manual to
isolate other possible conditions that can lower tool ef-
ciency.
COLD WEATHER OPERATION
If the grinder is to be used during cold weather, preheat
the hydraulic uid at low engine speed. When using the
normally recommended uids, uid temperature should
be at or above 50 °F/10 °C (400 ssu/82 centistokes) be-
fore use.
Damage to the hydraulic system or grinder can result
from use with uid that is to viscous or too thick.