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12V Adjustable Torque ½" Drive Impact Wrench / Rattle Gun
E&OE
© 2017 Unimac
8
Maintenance and Troubleshooting
Disconnect the tool from the electrical supply
before performing any maintenance. • The
machine should be cool enou
gh to touch before performing maintenance activities. • Some
maintenance activities described may be beyond the scope of some users. For procedures that you are not
comfortable with or have the tools, knowledge or experience for, have the unit serviced by an authorised
service centre or qualified technician.
•
Clean the tool regularly with a soft cloth
– do NOT use water, solvents, abrasives etc. Remove any
debris from the drive pin and tool ventilation slots using a soft brush.
Fuse Replacement
The tool is fuse protected against motor damage if
there is an excessive current draw. If the fuse is
"blown", the tool cannot be used until the fuse is
replaced:
1. Unscrew the terminal (
A
) of the cable 12VDC adaptor (
B
).
2. Remove the fuse (
C
) from the adaptor. If the filament in the fuse is broken, the fuse is "blown".
3. Insert the replacement fuse (15A) into the adaptor and screw the adaptor terminal back on.
Troubleshooting
The following information may assist in identifying a problem and rectifying it.
Tool will not operate.
Possible Fault
Action
No electrical supply
Ensure that the electrical supply to the tool is correct (12VDC) and that the vehicle battery is
sufficiently charged. Note that some vehicles may require the ignition set to "on" or "accessories" to
provide power through the cigarette lighter / 12VDC connector. Ensure that all connections are secure.
Fuse blown
Fasteners too tight or not tight enough.
Possible Fault
Action
Incorrect torque setting
is correct, and wait for "end" to display to ensure set torque is reached.
Specifications
Electrical Requirements
12VDC
Drive Pin Size
½" Square Drive
Torque Range
80 to 340 Nm
Fuse
15A Automotive "Cartridge" Type
B
C
A
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