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1.
Unscrew the head assembly Q-006 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 Q-006 to help unlock the
assembly.
2.
Pull-out the piston assembly and unscrew the cylinder
Q-018. Perform a visual inspection of the driving blade
Q-023, the wear-ring Q-022A and the inner surface of the
cylinder Q-018. Do not remove the driving blade from the
piston.
3.
Pull-out the valve assembly Q-043 and perform a visual
inspection of all rings. Check that the actuator assembly
Q-042/Q-044 is sliding easily on valve Q-043. Clean and
lubricate lightly. It is usually not necessary to take apart the
actuator assembly.
4.
If necessary, actuator cap Q-044 may be unsnapped from
actuator Q-042 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 Q-006 and lubricate
lightly with a non-detergent oil. Check the o-ring Q-006A. It
is generally not necessary to remove the head cap Q-001.
REPLACING THE DRIVING BLADE
The driving blade is not sold separately, but supplied as a
complete subassembly with the piston Q-022. Never remove the
driving blade from the piston.
1.
Unscrew the head assembly Q-006 and take it out of the
tool.
2.
Pull-out the piston assembly from the cylinder. Remove any
debris and assess condition of cylinder Q-018. If marked or
grouged, use a fine sand paper to smooth out walls. The
piston Q-022 must be allowed to move without restriction.
3.
Insert the piston sub-assembly into the main body Q-016
and engage the driving blade Q-023 in the seal bushing
opening. Depress the safety contact Q-062 to ensure that
the driving blade has engaged the gate/foot assembly
guiding channel.
4.
Tighten the cylinder Q-018 onto the head Q-006 and follow
the procedure to complete the assembly of the head.
INSTALLING THE SAFETY
You shouldn't need to remove the safety stop mechanism unless
the element Q-061 do not swivel or has a broken tip.
a)
Assemble together parts Q-061, Q-061A , Q-061C and
Q-061D.
b)
Insert the short end of Q-061B as shown.
c)
Put two drops of adhesive sealant onto the thread area of
Q-061C, near its cylindrical end. Make sure no sealant is
retained on the end or exterior wall.
d)
Insert the assembly into the hole in the tool body as shown.
e)
Tight together with screw P-153A, holding Q-061C.
INSTALLING THE BASE ASSEMBLY
The plastic base can be installed or
removed without the need of a tool.
a)
First, insert connecting stem
Q-061B to the safety contact
Q-062.
b)
Lift the safety contact and fully
slide-in the plastic base Q-033
onto the brackets Q-035A & B.
c)
The safety contact
simply drop into place. Insert
the locking rod Q-062A until it
snaps. It should engage the safety contact.
should
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