Nordson AD-31 Series - Page 95

Repair
7-33
Electrical Switch
Adjustments
(contd.)
Fig. 7-55 Connecting the Electical
Switch to the
Hose
42030s0
Fig. 7-54 Adjusting the Electical Switch
t
4203051
7. Slowly depress the handgun trigger
and watch
for
an
indication of
electrical continuity.
NOTE:
The
ohmmeter
should indicate continuity
when the
packing-cartridge
shaft begins to move.
8. lf continuity does
not
exist
when
the
handgun is fully triggered,
loosen
the
switch's mounting screws and
slide
the
switch toward
or away
from the trigger until continuity
is
indicated.
See Figure
7-54.
9. When continuity
is indicated,
tighten the switch's
mounting
screws.
10.
Check
to make sure
that no
continuity
is indicated
when the
gun
is not being triggered.
lf
continuity
exists when the
gun
is
not being triggered,
loosen the
switch's mounting
screws, and
repeat steps 7-9 untilcontinuity
exists only
when the handgun
is
,
triggered.
11. Replace the left-side
gun
handle
shell and
secure it to the other
by
replacing and tightening
the four
screws holding the
shells together,
12. Find
the
orientation lug on the hose-cordset connector
and ensure
that the connector and
switch
plug
at
the
bottom of the
handgun's
handle are
properly
aligned.
13. Attach
the
switch
plug
assembly at the bottom of the
handle to the
connector on the hose
cordset.
O
1995
Nordson
Corporation
All rights reserved
42-72
lssued 10/95
ATEN{8-[AD-31EX]-1