Setup
Do not exceed the following hydraulic power source
maximums:
• Hydraulic flow: 38 l/min (10 gpm)
• Pressure relief: 138 bar (2000 psi)
• Back pressure: 13.8 bar (200 psi)
Failure to observe this warning could result in severe
injury or death.
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 tool ports.
Failure to observe this warning could result in severe
injury or death.
1. Stop the hydraulic power source.
2. Install an accessory according to the instructions
under "Installing and Removing Accessories."
3. Connect the tool to the power source according to
the instructions under "Hose Connections."
Greenlee Tools, Inc.
H8508 Series Impact Wrenches
Operation
Electric shock hazard:
This tool is not insulated. When using
this unit near energized electrical lines:
• Use only certified non-conductive
hoses and proper personal protec-
tive equipment.
• Select and maintain the hydraulic
fluid to meet the minimum dielectric
standards required by your safety
department.
Failure to observe this warning could
result in severe injury or death.
Skin injection hazard:
• Do not use hands to check for leaks.
• Do not hold hose or couplers while
the hydraulic system is pressurized.
• Depressurize the hydraulic system
before servicing.
Oil under pressure easily punctures
skin causing serious injury, gangrene,
or death. If you are injured by escaping
oil, seek medical attention immediately.
Do not change accessories, inspect or clean tool when it
is connected to a power source. Accidental start-up can
result in serious injury.
Failure to observe this warning could result in severe
injury or death.
Wear eye protection when operating or
servicing this tool.
Failure to wear eye protection could
result in serious eye injury from flying
debris or hydraulic oil.
Emergency stop procedure:
1. Release the trigger.
2. Shut off the hydraulic power source.
9
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070