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8.1 Care of the tool
17
CAUTION
Take care not to damage the piston detector, nail
detector and magazine detector.
1. Remove plastic debris from the nosepiece at regular
intervals.
2. Never operate the tool when the ventilation slots are
blocked. Clean the ventilation slots carefully using a
dry brush.
3. Do not permit foreign objects to enter the interior of
the tool.
4. Clean the outside of the tool at regular intervals with
a slightly damp cloth.
5. Do not use a spray, steam pressure cleaning equip-
ment or running water for cleaning.
6. Always keep the grip surfaces of the tool free from
oil and grease.
7. Do not use cleaning agents which contain silicone.
8. Do not use Hilti spray or similar lubricants or cleaning
agents.
8.2 Maintenance
Check all external parts of the tool for damage at regular
intervals and check that all controls operate faultlessly.
Do not operate the tool if parts are damaged or when
the controls do not function faultlessly. Have the tool
repaired by Hilti Service.
8.3 Checking the tool after care and maintenance
After cleaning or servicing, check that the power regulator
is correctly set (standard setting “+”) before inserting the
gas can.
9 Troubleshooting
WARNING
The tool must be unloaded (gas can and fasteners removed from the tool) before carrying out cleaning or maintenance.
Fault
Possible cause
Remedy
Fastener head stand-off is fre-
quently too high.
The power regulator is set to “-”.
Set the power regulator to “+”.
The fastener used is too long.
Use a shorter fastener.
The base material is too hard.
Use a DX fastening tool.
The intake/exhaust valve is dirty or
covered over.
Clean the tool and pay attention to
the hand position.
Contact Hilti if the problem persists.
The fastener is frequently driven
too deeply (punches through)
and/or the ring or clip breaks.
Driving power is too high.
Set the power regulator to “-”.
The fastener is too short.
Use a longer fastener.
Fastener breakage.
The power regulator is set to “-”.
Set the power regulator to “+”.
The fastener used is too long.
Use a shorter fastener.
The base material is too hard.
Use a DX fastening tool.
The tool is pressed against the sur-
face at an angle.
Hold the tool at right angles to the
working surface. Use the support leg.
See section: 7.5 Support leg
en
22
Printed: 28.11.2013 | Doc-Nr: PUB / 5069877 / 000 / 02
Summary of Contents for GX 120-ME
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Page 157: ...Hilti h i j k l Hilti m 5 1 3 a b c d e f g h 5 1 4 a b c 5 1 5 a b 5 1 6 a b c d e el 153...
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Page 163: ...4 mm 7 6 14 7 7 15 7 3 1 7 7 4 1 9 7 8 Hilti 7 5 X GHP DX 7 3 2 el 159...
Page 164: ...GAS 1 LED 7 2 GAS 1 LED 7 2 3 3 7 3 1 7 7 4 1 9 Hilti 1200 3 LED 1200 Hilti el 160...
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Page 226: ...6 4 5 GAS 4 LED 2 LED 1 LED 1 LED 7 7 1 6 3 1 2 3 7 1 1 7 2 5 6 4 2 7 3 7 3 1 7 1 2 3 4 ko 222...
Page 229: ...9 DX Hilti DX 7 5 7 5 4 mm 1 ko 225...
Page 241: ...9 DX Hilti DX 7 5 7 5 4 mm zh 237...
Page 249: ...5 1 4 5 1 5 5 1 6 5 1 6 1 50 122 5 25 41 77 5 1 6 2 5 1 7 ar 245...
Page 250: ...6 6 1 2 1 2 4 3 6 2 3 1 2 3 4 6 3 4 1 2 3 4 6 4 5 GAS LED LED LED LED 7 ar 246...
Page 253: ...8 8 1 17 1 2 3 4 5 6 7 8 Hilti 8 2 Hilti 8 3 9 DX Hilti ar 249...
Page 254: ...DX 7 5 7 5 4 7 6 14 ar 250...
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