Porta-Nails PortaMatic Evolution 418A - Cleaning the Valve; Replacing the Driving Blade

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10. With the tool in the upright position, push the bumper in place,
indexed onto the seal bushing and use the wooden handle to seat
the bumper in position.
11. Insert the piston sub-assembly into the main body and engage
the driving blade in the seal bushing opening. Depress the safety
contact to ensure that the driving blade has engaged the gate/foot
assembly guiding channel.
12.LoosenthelockP-616Dandinsertthewholeheadassemblyintothe
main body ; the main cylinder engaging onto the piston assembly.
Screwtheheadassemblycompletely.Takecarenotdodamagethe
threads. Rotate the lock clockwise and tighten with the Allen key
using moderate force.
ITISMOSTIMPORTANTTHATTHEMAINCYLINDERBEFULLY
SCREWED&TIGHTENEDONTOTHEHEADASSEMBLYBEFORE
BEINGINSERTEDINTOTHEMAINBODY.
AFTERREASSEMBLY,ALWAYSACTUATETHETOOLREPEATEDLY
WITHOUT CLEATS AGAINST A PIECE OF WOOD TO INSURE
PROPER OPERATION.
This tool features a head lock to maintain
firmly in place the head assembly during
operation. Before inserting the head
assembly,ensurethattheP-616D lock
is free to swivel and rotate it away from
the head opening. After inserting the
head assembly in place, rotate the lock
and tighten with the Allen key using
moderate force.
To remove the head assembly, simply unscrew the screw ¼ turn and
rotateitcounter-clockwise.
CLEANING THE VALVE
If the tool becomes sluggish or does not set the cleat, it may indicate
excessive dirt, dust, other particles, or even water, in the head assembly,
thereby impeding the cycling of the valve. The first step in troubleshooting
is to clean up the head assembly.
1. Unscrewtheheadassemblyandtakeitoutofthetool.Thelongarm
of a Allen wrench may be inserted into one of hole at the base of head
to help unlock the assembly.
2. Pull-outthepistonassemblyandunscrewthecylinder.Performa
visual inspection of the driving blade, the wearring and the inner
surface of the cylinder. Do not remove the driving blade from the
piston.
3. Pull-out the valve assembly and perform a visual inspection of all
rings. Check that the actuator assembly is sliding easily on valve.
Clean and lubricate lightly. It is usually not necessary to take apart
the actuator assembly.
4. If necessary, actuator cap may be unsnaped from actuator by
inserting the long arm of an Allen wrench through the hole on top
of the actuator and using a hammer with moderate force to get the
parts apart.
5. Clean the inside wall of the head body and lubricate lightly with a
non-detergentoil.Checktheo-rings.Itisgenerallynotnecessaryto
remove the head cap.
Complete 'cartridge' assembly
REPLACING THE DRIVING BLADE
The driving blade is not sold separately, but supplied as a complete
subassembly with the piston. Never remove the driving blade from
the piston.
1. Unscrewtheheadassemblyandtakeitoutofthetool.
2. Pull-outthepistonassemblyfromthecylinder.Removeanydebris
and assess condition of cylinder. If marked or grouged, use a fine
sand paper to smooth out walls. The piston must be allowed to move
without restriction.
3. Insertthepistonsub-assemblyintothemainbodyandengagethe
driving blade in the seal bushing opening. Depress the safety contact
to ensure that the driving blade has engaged the gate/foot assembly
guiding channel.
4. Tighten the cylinder onto the head and follow the procedure to
complete the assembly of the head.