H8508 Hydraulic Impact Wrench
Greenlee / A Textron Company
13
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
Troubleshooting (cont’d)
PROBABLE CAUSE
PROBLEM
POSSIBLE REMEDY
Tool inoperative.
Tool connected to improper power
See Tool Specifications for type of
source hydraulic system.
hydraulic system required. Verify
power source hydraulic system.
No hydraulic fluid in system or
Check fluid level. Fill to FULL mark.
fluid level low.
Check system for leaks.
Incorrect hydraulic fluid viscosity.
Use fluid viscosity recommended.
See Recommended Hydraulic Fluids.
Tool components loose.
Tighten component hardware.
Dirt, contaminants, etc., in tool
Disassemble tool and clean
components.
components.
Tool components worn or damaged.
Disassemble tool. Replace worn or
damaged components.
Hose connections to power source
Depressurize hydraulic system.
reversed.
Reverse hose connections.
Tool operates erratically.
Hydraulic fluid cold.
Viscosity of fluid may be too high at
start of tool operation. Allow fluid to
warm to operating temperature.
Actuating tool intermittently will reduce
time required to warm fluid to an
efficient operating temperature.
Air in system.
Check pump suction line for damage
or loose clamps. Tighten clamps or
replace components, if necessary.
Fill reservoir.
Tool components sticking or
Check for dirt or gummy deposits.
binding.
Clean components. Check for worn
or damaged components. Replace
components.
Dirt, contaminants, etc., in tool
Disassemble tool and clean
components.
components.