Rear Panel; Wire Feeder - Praxair MIG SELECT-300H/4R Guide De L'utilisateur

1 – Wire feeder
2 – Welding parameter controller
3 – MIG torch adapter
4 – Cable cooling fluid hose plugs
5 – Main switch
6 – Coarse voltage step adjustment switch
7 – Fine voltage step adjustment switch
8 – Cable plug (control connection)
9 – Cable plug (power connection)
10 – Earth plug nº 3 (filling)

Wire feeder

1 – Key button "wire inch" – To manually positioning wire without gas and energy consumption.
2 – Key button "test gas" – To purge torch gas tubes and to allow the adjustment of gas flow on the flowmeter. Pushing the key
button, the gas flows; to interrupt gas flow release key button.
3 – Wire feed motor (2 rolls or 4 rolls)
4 – Wire coil
5 – Coil breakage system
6
MIG SELECT 300H/4R / 350H/4R / 400H/4R / 500H/4R / 650H/4R

Rear panel

20 – Cable plug (control connection)
20
21 – Cable plug (gas connection)
21
22 – Cable plugs (cooling fluid hoses)
22
23 – Cable plug (control connection)
23
24 – Cable clamp
24
25 – Cooling fluid air outlet
26 – Inlet gas plug (from gas tube)
27 – Fuse (aux. transformer)
28 – Fuse (feeding motor)
25
29 – Fuse (gas heater plug optional)
26
27 30 – Fuse (water cooling unit optional)
28
31 – Pre-heater plug (limited to 150VA optional)
29
32 – Input cable holder
30
33 – Ventilating air outlet
31
32
Interconnection cable
34 – Control cable
33 35 – Power cable
36 – Gas hose
37 – Cable holder spring
38 – Cable protection sleeve
Fig.3 – Rear panel
1
2
3
11 – Earth plug nº 2 (penetrating)
12 – Earth plug nº1 (CO2)
13 – Wire coil
14 – Wire feeder door
15 – Cooling fluid tank cover
16 – Cable plug (gas connection)
17 – Cooling fluid tank level
18 – Cable plugs (cooling fluid hoses)
19 – Cooling air inlet
34
35
36
37
38
4
5
Fig.5 – Wire feeder
Fig.4 – Interconnection cable