6 | SAFETY INSTRUCTIONS
UNLESS INSTRUCTED DIFFERENTLY,
PERFORM ALL MAINTENANCE AS FOLLOWS
Stop the hammer or drill. Stop the engine.
Disconnect the battery whenever performing any maintenance or before servicing the
electrical system. If the engine has electric starters, disconnect and tape the battery
ground leads to prevent accidental starting.
Do not attempt any repairs or adjustments to the engine or hammer or drill while it is
running.
Do not attempt repairs you do not understand. Use proper tools; replace or repair
broken or damaged equipment.
Block or restrain the equipment, if applicable before operating or performing
maintenance.
Do not adjust, or set, hydraulic pressures higher or lower than those specied in the
manual.
PRESSURIZED AIR AND WATER
Pressurized air can cause personal injury. When using pressurized air for cleaning,
wear a protective face shield, protective clothing and protective shoes.
The maximum air pressure must be below 30 psi (205 kPa) and maximum water
pressure must be below 40 psi (275 kPa) for cleaning purposes.
FLUID PENETRATION
Wear eye protection at all times when cleaning the cooling system. Pressurized water
could cause debris and/or hot water to be blown and result in personal injury.
Always use a board or cardboard when checking for a leak. Escaping uid under
pressure, even a pin-hole size leak, can penetrate body tissue, causing serious injury or
possible death.
If uid is injected into your skin, it must be treated by a doctor familiar with this type of
injury immediately.
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