H8508 Hydraulic Impact Wrench
Greenlee / A Textron Company
14
4455 Boeing Dr. • Rockford, IL 61109-2988 USA • 815-397-7070
Troubleshooting (cont’d)
PROBABLE CAUSE
PROBLEM
POSSIBLE REMEDY
Tool impacts slowly.
Power source components not
Refer to power source operator’s
adjusted correctly.
manual for recommended speed,
flow, and pressure settings.
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.
Hydraulic fluid level low.
Check fluid level. Fill to FULL mark.
Check system for leaks.
Hydraulic fluid viscosity too heavy.
Use fluid viscosity recommended.
See Recommended Hydraulic Fluids.
Tool components loose.
Tighten component hardware.
Dirt, contaminants, etc., in tool
Disassemble tool. Clean
components.
components.
Tool components worn or damaged.
Disassemble tool. Replace worn or
damaged components.
Damaged hose couplings.
Inspect couplings. Replace if
damaged.
Tool operates too fast.
Power source components not
Refer to power source operator’s
adjusted correctly.
manual for recommended speed,
flow, and pressure settings.
Tool components sticking or binding.
Check for dirt or gummy deposits.
Clean components. Check for worn
or damaged components. Replace
components.
