NS-40 Manual
Page 11
729-110-036
Revision 1.14
August 2013
MAINTENANCE INSTRUCTIONS
*BEFORE PROCEEDING, PLEASE READ STUD WELDING SAFETY PRECAUTIONS*
Installing New Weld Cables -All Guns
1.
Remove handle cover screw (33). Lift off
handle cover (3).
2.
Remove grommet clamp screws (34) and
grommet clamp (4).
3.
Remove insulator (23), screw (37), washer (38),
grommet (12), and weld cable assembly (14 or
14a).
4.
Slip grommet (12) off weld cable assembly (14
or 14a).
5.
Slip grommet over new weld cable assembly
and install in gun handle.
6.
Install screw (37), washer (38), insulator (23)
and tighten securely.
7.
Replace grommet clamp and handle cover.
Installing New Control Cables -Welding Gun #751-585-000
1.
Remove handle cover screw (33). Lift off
handle cover (3).
2.
Remove grommet clamp screws (34) and
grommet clamp (4).
3.
Lift out switch (28) and disconnect black and
white control cable leads.
4.
Clip green and red control cable leads. (Upon
reassembly these two leads are soldered and
taped.) Remove control cable.
5.
Clip green and red coil leads as close to wire
splice as possible.
6.
Connect black and white leads on new control
cable assembly to switch (28).
7.
Connect green control cable lead to green coil
lead.
8.
Connect red control cable lead to red coil lead.
9.
Install switch and control cable assembly in gun
body.
10.
Replace grommet clamp and handle cover.
Installing New Control Cables -Welding Gun #751-585-100
1.
Remove handle cover screw (33). Lift off
handle cover (3).
2.
Remove grommet clamp screws (34) and
grommet clamp (4).
3.
Lift out switch (28) and disconnect black and
white control cable leads and red coil lead.
4.
Clip green control cable lead. Upon
reassembly this lead is soldered and taped.
Remove control cable.
5.
Clip green coil lead as close to wire splice as
possible.
6.
Connect black lead on new control cable and
red coil lead to one switch terminal (28).
7.
Connect white control cable lead to other
switch terminal (28).
8.
Connect green control cable lead to green coil
lead.
9.
Install switch and control cable assembly in gun
body.
10.
Replace grommet clamp and handle cover.
Installing New Control Cables -Welding Gun #751-585-500
& #751-692-000
1.
Remove handle cover screw (33). Lift off
handle cover (3).
2.
Remove grommet clamp screws (34) and
grommet clamp (4).
3.
Clip white and black leads from trigger switch
(28a) as close to the wire splice as possible.
Remove control cable.
4.
Reconnect new control cable using insulated
wire splice (29). Connect white control lead to
white trigger lead, black control lead to black
trigger lead.
5.
Install switch and control cable assembly in gun
body.
6.
Replace grommet clamp and handle cover.
