Removing Safety Collar And Adjusting Boom; Gun Recommendation Table; Wire Type, Size, And Feed Speed Capability Table - Miller Electric Swingarc SS-75D16 Owner's Manual

4-8. Removing Safety Collar And Adjusting Boom

1
Tools Needed:
1-1/8 in

4-9. Gun Recommendation Table

Process
GMAW − Hard or Cored Wires
FCAW − Self-Shielding Wires

4-10. Wire Type, Size, And Feed Speed Capability Table

Motor Speed Wire Type
Standard All
4
3
2
Rod
Increasing Spring
Pressure For A
Heavy Gun
Gun
Q-Series Guns: 300, 400, 500, And 600 Amp.
FC-1260 Or FC-1150
Wire Size
.023 To 5/64 in (0.6 To 2 mm)
1 Locking Knob
Tighten knob to prevent boom
movement. Loosen knob to allow
boom movement. Change knob po-
sition to limit upward movement.
Pull boom down slightly and remove
safety collar. Boom should balance
in any position from horizontal to 60
degrees above horizontal. If neces-
sary, adjust boom as follows:
2 Threaded Rod
3 Jam Nut
Loosen jam nut and turn threaded
rod until boom balances. Tighten
jam nut. Be sure several full threads
are through yoke to prevent boom
falling.
4 Yoke
Retain safety collar for use in disas-
Rod
4
sembling or moving boom.
3
2
Decreasing Spring
Pressure For A
Light Gun
Feed Speed Capability
50 To 1400 ipm (1.3 To 35.6 mpm)
Ref. ST-152 380-A
OM-230 298 Page 13