Linkoln Electric Magnum PRO 100SG Manuel De L'opérateur page 18

MAGNUM PRO 100SG
3. Obtain a new replacement gun tube (if needed). Remove
locking nut from old gun tube and install onto new gun tube.
Nut should be fully threaded finger-tight against the insulating
tube.
4. Slide gun tube's external threads through gun tube mounting
plate and screw the gun tube by hand into the cable
connector until the nut pulls the mounting plate snug against
the connector.
5. Tighten the nut and mounting plate to the connector with
Torque Wrench 10 to 12 ft.-lbs.
6. Reassemble gun. Be careful not to pinch any leads between
gun handle halves.
WIRE DRIvE aSSEMBlY REMOval aND
INSTallaTION
There are no serviceable or maintainable parts inside of the wire
drive.
1. Remove liner assembly (See Maintenance Section figures D.2
and D.3).
2. Remove left side of handle.
3. Disconnect black and red leads from drive motor. Use care to
prevent damage to motor's fast-on electrical tabs.
4. Slide wire drive out of right handle half.
5. When reinstalling wire drive, note the proper motor lead
connection in the figure. Reconnect red motor lead to positive
(+) terminal, marked with red dot at arrow. Reconnect black
FIGURE D.11
lead to other motor terminal. (See figure D.11)
6. Reassemble gun. Be careful not to pinch any leads between
gun handle halves.
"+"Terminal Red Dot
Black Lead
D-4
TRIggER aSSEMBlY REPlaCEMENT
There are no serviceable or maintainable parts inside of the
trigger.
1. Remove spool cover and left side of handle.
2. Slide trigger out of right handle half. Disconnect both white
leads from trigger. Use care to prevent damage to electrical
FIGURE D.12
leads and the terminals. (See Figure D.12)
3. Connect both white leads to the new trigger. Either lead may
be connected to either trigger pin (non-polarized connections).
4. Slide new trigger into place and reassemble the gun. Be
careful not to pinch any leads between gun handle halves.
MAINTENANCE
White Leads