Removing Safety Collar And Adjusting Boom; Wire Type, Size, And Feed Speed Capability Table - Miller S-74 Boom w/Drive Mode D'emploi

4-8. Removing Safety Collar And Adjusting Boom

3
1
Tools Needed:
1-1/8 in.

4-9. Wire Type, Size, And Feed Speed Capability Table

Motor Speed Wire Type
Standard All
Standard All
Standard All
Optional High
All
Speed
OM-252045 Page 14
4
2
Rod
Increasing Spring
Pressure For A
Heavy Gun
Wire Size
.023 To 5/64 in. (0.6 To 2 mm)
3/32 To 7/64 in. (2.4 To 2.8 mm)
1/8 in. (3.2 mm)
.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-
sembling or moving boom.
Rod
4
3
2
Decreasing Spring
Pressure For A
Light Gun
Feed Speed Capability
50 To 780 ipm (1.3 To 19.8 mpm)
50 To 700 ipm (1.3 To 17.8 mpm)
50 To 300 ipm (1.3 To 7.6 mpm)
92 To 1435 ipm (2.3 To 36.4 mpm)
Ref. 152323-D