18
421 PORTAMATIC®
TROUBLE SHOOTING
PROBLEM OR QUESTION
CAUSE
CORRECTIVE ACTION
Nailer is Jamming
More than one Nail trying to get
into chamber.
Check Rail (Ref. #26) for wear on the
end. If worn, turn rail around to use
other end in Guide or replace the rail.
Make sure pusher provides positive
pushing force on the nail clip to prevent
nails from turning.
Nailer is not always firing a nail
Obstruction keeping the nail clip
from advancing.
Clear obstruction, trash, bent or twisted
nails, etc.
Make sure Pusher provides positive
pushing force on the Nail clip to
prevent Nails from turning
Damaged or worn seal.
Determine location of air escaping.
Replace appropriate seal.
Air is escaping
Oil has been used causing O-
Rings to swell which can restrict
movement of piston or other
component that must seal.
Clean internal components. Check for
damaged seals or O-Rings. Replace
damaged seal or O-Ring. Grease as
specified in Owner’s Manual.
End of Rail is worn
Turn Rail (Ref. #26) around to use
other end in Guide if this has not been
previously done. If Rail has already
been turned previously, replace Rail.
Nailer is shooting two nails.
Screws holding Magazine (Ref.
#28) may be loose preventing
Rail (Ref. #26) from being held
properly in place.
Tighten Screws (Ref. #49, #29) that
secure the Magazine (Ref. #28) to the
Guide (Ref. #21) and the back
Magazine Retainer Bracket (Ref. #27).
Not driving Nails into the tongue
area
Always drive Nails into the tongue
area, not the groove.
Tip of Driver Blade (Ref. #36)
broken
Check Driver Blade (Ref. #36) and
replace if tip is broken.
Air pressure too low
Set air pressure to 90-95 PSI
Using air compressor that is too
small
Follow recommendations in the
Owner’s Manual relative to size and
volume of air compressor
Using an air line that is too small
Always use 3/8” ID air line.
Nails are not being counter sunk
into wood and are left sticking out
of wood.
The Piston Cushion (Ref. #10)
could be damaged preventing the
Piston (Ref. #36) from
completing full stroke.
Check Piston Cushion (Ref. #10) and
replace if needed.
Nailer does not fire when trigger is
pulled.
This is a safety feature
The Nailer is not supposed to fire when
the Trigger is pulled. In order to fire
the Nailer, the Trigger must be pulled
and the Ram Head (Ref. #47) struck
with the hammer, in that order.
