Harbor Freight Tools 67450 Nail Gun User Manual


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Page 17For technical questions, please call 1-800-444-3353.SKU 67450
REV 10d
Troubleshooting
Problem Possible Causes Likely Solutions

fastener depth.
Incorrect tool depth setting.1.
Not enough air pressure. 2.
Incorrect lubrication or not 3.
enough lubrication.
Blocked air inlet screen (if 4.
equipped).
Mechanism contaminated. 5.
Adjust depth setting, if available.1.
Check for loose connections and make sure that air 2.
supply is providing adequate air pressure (PSI) to the
tool’s air inlet. Do not exceed maximum air pressure.
Lubricate using air tool oil and grease according to 3.
directions.
Clean air inlet screen of buildup. 4.
5.

Initial Set Up: Air Supply.
Fasteners drive
too deeply.
Incorrect tool depth setting.
1.
Too much air pressure.2.
Adjust depth setting, if available.1.
Reduce air supply pressure (PSI).2.
Tool cycles

fastener.
Jammed fastener. 1.
Tool empty.2.
Incorrect fasteners used.3.
Magazine dirty or not 4.
lubricated properly.
5.
Clear jammed fastener according to Clearing Jams 1.
instructions.
Fill with correct fasteners.2.
Empty, then load with correct fasteners.3.
Clean and lubricate magazine and pusher. 4.
Check for loose connections and make sure that air 5.

(PSI) to the tool’s air inlet. Do not exceed maximum air
pressure.
Frequent
jamming.
Incorrect fastener type.
1.
Safety is stuck.2.
1.
collation type. Correct as needed.
Clean and lubricate with oil so safety moves freely2.
Severe air
leakage.
(Slight air
leakage
is normal,
especially on
older tools.)
Cross-threaded housing 1.
components.
Loose housing. 2.
Damaged valve or housing.3.
Dirty, worn or damaged valve. 4.
Check for incorrect alignment and uneven gaps. If 1.
cross-threaded, disassemble and replace damaged parts
before use.
Tighten housing assembly. If housing cannot tighten 2.
properly, internal parts may be misaligned.
Replace damaged components.3.
Clean or replace valve assembly.4.
Follow all safety precautions whenever diagnosing or servicing the tool.
Disconnect air supply before service.
or worn, have the tool repaired by a

3.
Nailer. Close Canister Cover (89) and
Catch (64) securely. Then reconnect air
hose to the tool.
4.
repeatedly to test for proper operation.
If nailer does not function properly, have
.
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