Operating instructions
REFER TO PARTS SCHEMATIC FOR PROPER ASSEMBLY OF PARTS
– Overdriving of fasteners –  Excessive power – Change to the next lower 
power level load strip 
color and number. 
–  Soft base material –  Check base material 
(see page 3)
– Tool fails to fire –  Failure to depress  – See “Tool does not 
completely completely depress”
–  Excessive dirt buildup on  – After following misfire
breech face not allowing  procedure, check firing
proper penetration of  pin indentation on load.
firing pin Clean breech face
– Firing pin and/or breech – Replace damaged parts
damaged
– Tool does not completely – Misassembled or  – Check all parts in the 
depress damaged parts receiver for damage or
improper assembly.
– Reduction or loss of power – Piston not being returned – Barrel must be pulled
to the full rear position completely open to
properly position the 
piston.
– Worn or damaged  – Replace worn or
piston or piston ring damaged parts
– Worn or broken pawls – Replace pawls
– Tool cannot be cocked – Excessive dirt buildup – Clean tool thoroughly
or opened
– Damaged or bent piston – Replace piston
– Broken or damaged parts – Tag tool with warning 
“Defective–Do Not Use”
Place in a locked container
and contact your local
ITW Ramset/Red Head
representative for service.
– Failure to index strip – Strip not inserted in tool – Check load strip. Properly
correctly or is damaged dispose of damaged strip.
(See page 6)
– Damaged indexing  – Contact your ITW Ramset/
mechanism Red Head Distributor for 
assistance
– Failure of tool to stay – Retaining ball missing – Contact your ITW Ramset/
closed when pointed in Red Head Distributor for 
the downward position assistance
TROUBLESHOOTING
TROUBLESHOOTING
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