Service and Repair Instructions
Vertex Fasteners Pneumatic Stapler Type
VA0
266
This Spare parts list/service instructions and the
enc
losed Operator's Manual constitute the
Opera
ting Instructions. Before using read both and
strictly observe safety ins
tructions.
At
tention! Always disconnect the tool from its air supply
and empty mag
azine before attempting any repair.
lways tighten the cap with a torque wrench adjusted to 7
Nm.
Removing pisto
n and driver blade
Take o
ut 4 cap screws VC7378 and remove the complete
cap and v
alve shaft assembly (fig. 1). The piston with
driver blade ca
n now be removed by using a spare driver
blade an
d pushing them from below (fig. 2). Use a pin
punc
h for removing the pin VC7027 and split pin VC7337
(fig. 3). Any d
amaged parts must be replaced. Before
refit
ting, the piston O-ring should be greased.
Changing of bum
per and cylinder
Take of
f cap screws VC7371, VC7373, and VC7379 now
remove mag
azine. Take out piston-driver assembly and
bumper
. Gently tap the housing on a wooden surface.
By the imp
act, the cylinder will come out and can easily
be r
emoved from the housing. Replace the damaged
part
s and grease before refitting (fig. 4).
Re
placement of the pusher and roller spring
Pul
l back the pusher enough to expose the front roller
spring at
tachment and e-ring retainer. Remove e-ring
retainer and undo fro
nt of spring. Remove the e-ring
retainer from th
e pusher stop. Remove pusher stop, and
spring. Slid
e the pusher off the back of the staple carrier
and r
emove the spring. Replace any worn or defective
part
s. Reconnect the spring in the front and re-install the
e-rin
g retainer. With the spring in the pusher guide the
spring along th
e carrier to the end and re-install the
push
er over the carrier. Re-install the pusher stop, spring,
and e-ring ret
ainer
Changing o
f O-rings in head valve assembly
Remov
e the cap as described above. Take main valve
out o
f the cap and replace worn 0-rings.
Grease
O-rings before refitting.
1
2
3
5
4