4-9. Removing Safety Collar And Adjusting Boom

4

2

13

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 re- move safety collar. Boom should balance in any position from hori- zontal to 60 degrees above hori- zontal. If necessary, adjust boom as follows:

2Threaded Rod

3Jam 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- sembling or moving boom.

 

 

4

 

 

3

 

Rod

Rod

 

2

 

 

Tools Needed:

Increasing Spring

Decreasing Spring

1-1/8 in

Pressure For A Heavy

Pressure For A

Gun

Lighter Gun

 

4-10. Gun Recommendation Table

Process

Gun

 

 

GMAW − Hard or Cored Wires

Roughneck C-Series Guns: 300, 400, 500, And

 

600 Amp.

 

 

FCAW − Self-Shielding Wires

FC-1260 Or FC-1150

 

 

ST-142 599-B

4-11. Wire Type, Size, And Feed Speed Capability Table

Motor Speed

Wire Type

Wire Size

Feed Speed Capability

 

 

 

 

Standard

All

.023 To 5/64 in (0.6 To 2 mm)

50 To 780 ipm (1.3 To 19.8 mpm)

 

 

 

 

Standard

All

3/32 To 7/64 in (2.4 To 2.8 mm)

50 To 700 ipm (1.3 To 17.8 mpm)

 

 

 

 

 

Standard

All

1/8 in (3.2 mm)

50 To 300 ipm (1.3

To 7.6 mpm)

 

 

 

 

 

Optional High

All

.023 To 5/64 in (0.6 To 2 mm)

92 To 1440 ipm (2.3

To 35.6 mpm)

Speed

 

 

 

 

 

 

 

 

 

OM-1588 Page 15

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Miller Electric DS-64M Swingarc manual Removing Safety Collar And Adjusting Boom, Gun Recommendation Table