16
Hold the Piston Rod with a box wrench over its Hex End and 9.
opposite the Lock Nut. Do not use Pliers anywhere on the metal
parts as they can damage the sealing surfaces.
Remove the Lock Nut, Pin and the Driver Blade.10.
Unscrew the Piston from the Piston Rod. Separate the Piston, 11.
Piston Rod and the Poppet.
TO REPLACE DRIVER BLADE:
Holding the piston rod with box wrench, remove the lock nut.1.
Push out the pin and remove the driver blade.2.
Install a new driver blade in the slot and replace the pin.3.
Screw on the Retaining Lock Nut using the same tools. If the lock 4.
nut becomes worn and loose a er frequent removals, it should
be replaced.
Check the fi t. There should be some sideways movement 5.
between the Driver Blade and the Lock nut assembly. This is
desirable and helps the Driver Blade to align itself with ma ng
parts.
Reassemble the components and be sure to align the Driver 6.
Blade with the slot in the Adapter Foot Assembly.
TO REPLACE DRIVER GUIDE PLATE AND NOSE:
Separate the Magazine form the Shoe by removing the four 1.
Socket Head Cap Screws.
Remove and replace the Driver Guide Plate and Nose.2.
17
TROUBLE SHOOTING
PROBLEM CAUSE CORRECTION
Trigger valve housing
leaks air
O-ring cut or cracked Replace O-ring
Trigger valve stem
leaks air
O-ring/seals cut or
cracked
Replace trigger valve
assembly
Frame/nose leaks air Loose nose screws Tighten and recheck
O-ring is cut or cracked Replace O-ring
Piston Cushion is cracked/
worn
Replace Piston Cushion
Frame/cap leaks air Damaged seal Replace Seal
Loose cap screws Tighten and recheck
Failure to cycle Air supply restric on Check air supply
equipment
Tool dry, lack of
lubrica on
Use Air Tool Lubricant
Worn head valve O-rings Replace O-rings
Lack of power; slow to
cycle
Tool dry, lack of
lubrica on
Use Air Tool Lubricant
Broken cylinder cap
spring
Replace cap spring
O-rings/Seals cut or
cracked
Replace O-rings / Seals
Exhaust blocked Check Piston Cushion,
head valve spring, muffl er
Dirt/tar build up on driver Disassemble nose/driver
to clean
Head valve dry Disassemble / lubricate
Air pressure too low Check air supply
equipment
Skipping fasteners;
intermi ent feed
Worn Piston Cushion Replace Piston Cushion
Tar/Dirt in driver channel Disassemble and clean
nose and driver
Air restric on/inadequate
air fl ow through quick
disconnect socket and
plug
Replace quick disconnect
fi ngs
Worn piston O-ring Replace O-ring check
driver
Tool dry, lacks lubrica on Use Air Tool Lubricant
Damaged pusher spring Replace spring
Low air pressure Check air supply system
to tool
Loose magazine nose
screws
Tighten all screws
Fasteners too short for
tool
Use only recommended
fasteners
Bent fasteners Discon nue using these
fasteners
Wrong size fasteners Use only recommended
fasteners