HPB25 Hydraulic Paving Breaker
Greenlee Tools, Inc.
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
4
Do not reverse hydraulic flow. Operation with
hydraulic flow reversed can cause tool malfunction.
Connect the supply (pressure) hose and return (tank)
hose to the proper ports.
Failure to observe this warning could result in severe
injury or death.
Do not change accessories, inspect, adjust or
clean tool when it is connected to a power source.
Accidental start-up can result in serious injury.
Failure to observe these warnings could result in
severe injury or death.
Serious injury can result if the operator does not
maintain control of the tool.
• Wear slip-proof gloves when operating this tool.
• Maintain a firm grip on the tool, using both hands
at all times.
• Do not lock the control lever in the power-ON
position. Operator cannot stop tool when the
control lever is locked.
Failure to observe these warnings could result in
severe injury or death.
Vibration hazard:
Apply just enough pressure to do the work. Applying
excess pressure to the breaker can cause operator
discomfort or temporary numbness.
Failure to observe this precaution may result in
injury.
• Do not operate the breaker unless the bit is prop-
erly installed and placed against the work surface.
Damage to the breaker can result.
• Inspect the hydraulic hoses and couplings every
operating day. Repair or replace if leakage, crack-
ing, wear or damage is evident. Damaged hoses
or couplings can fail, resulting in injury or property
damage.
• Use this tool for manufacturer’s intended purpose
only. Use other than that which is described in this
manual can result in injury or property damage.
• Make sure all bystanders are clear of the work
area when handling, starting, and operating the
tool. Nearby personnel can be injured by flying or
falling debris or by flying parts in the event of a
tool malfunction.
Hydraulic oil can cause skin irritation.
• Handle the tool and hoses with care to prevent
skin contact with hydraulic oil.
• In case of accidental skin contact with hydraulic
oil, wash the affected area immediately to remove
the oil.
Failure to observe these precautions may result in
injury.
Emergency stop procedure:
1. Release the control lever.
2. Shut off the hydraulic power source.
Procedure for connecting or disconnecting hydraulic
hoses, fittings, or components:
1. Move the flow lever on the hydraulic power
source to the OFF position.
2. Stop the hydraulic power source.
3. Follow the sequence under “Hose Connections”
to prevent pressure buildup. In case some
pressure has built up, loosen hoses, fittings, or
components slowly.
Note: Keep all decals clean and legible, and replace
when necessary.
IMPORTANT SAFETY INFORMATION