Harbor Freight Tools 66902 - Manual (Page 13)

SKU 66902 for technical questions, please call 1-800-444-3353. Page 13
troubleshooting
problem possible causes likely solutions
Insufficient
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 2.
sure that air supply is providing enough air
pressure (PSI) to the tool’s air inlet. do not
exceed maximum air pressure.
Lubricate using air tool oil and grease
3.
according to directions.
Clean air inlet screen of buildup.
4.
Have qualified technician clean and lubricate 5.
mechanism. Install in-line filter in air supply
as stated in 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
without firing
fastener.
Tool empty. 1.
Incorrect fastener used. 2.
Magazine dirty or not 3.
lubricated properly.
Insufficient air flow.
4.
Fill with correct fastener. 1.
Empty, then fill with correct fastener. 2.
Clean and lubricate magazine and pusher. 3.
Check for loose connections and make 4.
sure that air supply is providing enough air
flow (CFM) and pressure (PSI) to the tool’s
air inlet. do not exceed maximum air
pressure.
Frequent
jamming.
Incorrect fastener type. Confirm fastener diameter, type, length, angle,
and collation type. Correct as needed.
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 1.
gaps. If cross-threaded, disassemble and
replace damaged parts before use.
Tighten housing assembly. If housing cannot
2.
tighten 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.
back to the engaged position. Use a
screwdriver to release the jammed
fastener by probing the openings in
the magazine.
Pull out the jammed fastener and the
3.
remainder of the fastener strip that is
still in the magazine. Dispose of the
remaining fastener strip; it may be
bent or damaged in some other way.
If unable to clear jam using the meth-
4.
od prescribed above, the tool should
be repaired by a qualified service
technician.