Miller XMT 8-RACK Owner's manual

Category
Welding System
Type
Owner's manual

This manual is also suitable for

cover2 1/92 ST-151 267-B PRINTED IN USA
April 1992 FORM: OM-813
Effective With Serial No. KC224418
MODEL: XMT® Rack
IMPORTANT: Read and understand the entire contents of both this manual and
the power source manual used with this unit, with special emphasis on the safety
material throughout the manual, before installing, operating, or maintaining this
equipment. This unit and these instructions are for use only by persons trained
and experienced in the safe operation of welding equipment. Do not allow
untrained persons to install, operate, or maintain this unit. Contact your distributor
if you do not fully understand these instructions.
MILLER ELECTRIC Mfg. Co.
A Miller Group Ltd., Company
P.O. Box 1079
Appleton, WI 54912 USA
Tel. 414-734-9821
OWNER’S MANUAL
OM-813 4/92
TABLE OF CONTENTS
SECTION 1 SAFETY SIGNAL WORDS 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 2 SPECIFICATIONS 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 3 INSTALLATION
3-1. Selecting A Location And Moving Rack 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2. Installing Welding Power Source Onto Rack 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3. Welding Power Source Input Power Connections 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4. Common Work Connections 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5. Paralleling Welding Power Sources For SMAW 5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6. 120 Volts AC Duplex Receptacles 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-7. Connecting Input Power To Rack 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 4 MAINTENANCE & TROUBLESHOOTING
4-1. Routine Maintenance 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2. Overload Protection 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3. Troubleshooting 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 5 ELECTRICAL DIAGRAMS 11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 6 PARTS LIST
Figure 6-1. Main Assembly 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6-2. Control Box 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 6-3. Panel, Mtg w/Components 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OM-813 Page 1
SECTION 1 SAFETY SIGNAL WORDS
mod1.1 9/91
The following safety alert symbol and signal words are used throughout this manual to call attention to and identify
different levels of hazard and special instructions.
WARNING
WARNING statements identify procedures or practices which must be followed to avoid serious personal
injury or loss of life.
CAUTION
CAUTION statements identify procedures or practices which must be followed to avoid minor personal
injury or damage to this equipment.
IMPORTANT: statements identify special instructions necessary for the most efficient operation of this equipment.
SECTION 2 SPECIFICATIONS
Table 2-1. Rack
Specifications Description
Overall Dimensions Height: 64 in. (1.63 m); Width: 63 in. (1.60 m); Depth: 40 in. (1.02 m)
Required Input Power 230 Or 460 Volts AC; 50/60 Hz; Three-Phase
Weight Ship: 897 lbs. (407.7 kg); Net: 887 lbs. (403.1 kg)
Required Welding Power Source
300 Amp XMT® With AUTO-LINK Requiring 230 Or 460 Volts Input Power
Capacity 8 Welding Power Sources Maximum
OM-813 Page 2
SECTION 3 INSTALLATION
3-1. Selecting A Location And Moving Rack
WARNING
ELECTRIC SHOCK can kill.
Do not touch live electrical parts.
Disconnect input power conductors from
deenergized supply line BEFORE moving rack.
FIRE OR EXPLOSION can result from
placing unit on, over, or near
combustible surfaces.
Do not locate unit on, over, or near combustible
surfaces.
Do not install unit near flammables.
FUMES can be hazardous; LACK OF
FRESH AIR AND PROPER
VENTILATION can be harmful.
Do not breathe welding fumes.
Place unit only where there is a good fresh air supply
and proper ventilation.
FALLING EQUIPMENT can cause
serious personal injury and equipment
damage.
Move unit with crane or fork lift vehicle of adequate
capacity.
swarn11.1* 2/92
ST-154 541-A
1 Lifting Eye
Use lifting eye to move unit.
2 Lifting Forks
If using lifting forks, be sure forks
are fully inserted.
1
2
Figure 3-1. Location And Movement Of Rack
3-2. Installing Welding Power Source Onto Rack
1 Bracket
Remove user-supplied bolt or lock
if applicable.
2 Securing Bolts
Loosen.
3 Front Bracket
Swing end near rack center away
from rack.
4 Rear Bracket
5 Securing Bracket
Place welding power source on
rack so rear is against rear bracket
and securing bracket is centered
between welding power source
feet.
Swing front bracket back into posi-
tion.
Tighten securing bolts.
Reinstall user-supplied bolt or lock
if applicable.
6 Weld Cable Hanger
Ref. ST-151 267-B / S-0548 / ST-151 268-A
6
1
3
2
4
5
Figure 3-2. Welding Power Source Installation
S-0007-B
OM-813 Page 3
3-3. Welding Power Source Input Power Connections
WARNING
ELECTRIC SHOCK can kill.
Do not touch live electrical parts.
Turn OFF welding power source, and disconnect input power to rack before inspecting or installing.
Have only qualified persons install unit.
Installation must meet National Electrical Code and all other codes.
swarn3.1 10/91
Have only qualified persons make this instal-
lation.
1 Control Box
2 Access Door
Open access door with same number as
welding power source location.
3 Welding Power Source Input Power
Cord
Route input power cord from units on upper
rack around rear of control box.
4 Strain Relief Connector
Insert input power cord through strain relief
into entry hole for opened access door.
5 Grounding Conductor Green Or
Green With Yellow Stripe(s)
6 Input Conductors
7 POWER Circuit Breaker Terminals
8 Grounding Terminal
Install input conductors from welding power
source to POWER circuit breaker.
Install grounding conductor to grounding ter-
minal.
Close and secure access door.
Ref. ST-151 267-B / ST-151 269-A
1
2
5
8
43
6
7
Figure 3-3. Welding Power Source Input Power Connections
Table 3-1. Weld Cable Size*
Total Cable (Copper) Length In Weld Circuit Not Exceeding*
100 ft. (30 m) Or Less
150 ft.
(45 m)
200 ft.
(60 m)
250 ft.
(70 m)
300 ft.
(90 m)
350 ft.
(105 m)
400 ft.
(120 m)
Welding
Amperes
10 To 60%
Duty Cycle
60 Thru 100%
Duty Cycle
10 Thru 100% Duty Cycle
100 4 4 4 3 2 1 1/0 1/0
150 3 3 2 1 1/0 2/0 3/0 3/0
200 3 2 1 1/0 2/0 3/0 4/0 4/0
250 2 1 1/0 2/0 3/0 4/0 2-2/0 2-2/0
300 1 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-3/0
350 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-3/0 2-4/0
400 1/0 2/0 3/0 4/0 2-2/0 2-3/0 2-4/0 2-4/0
500 2/0 3/0 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-3/0
600 3/0 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-4/0 3-4/0
700 4/0 2-2/0 2-3/0 2-4/0 3-3/0 3-4/0 3-4/0 4-4/0
800 4/0 2-2/0 2-3/0 2-4/0 3-4/0 3-4/0 4-4/0 4-4/0
900 2-2/0 2-3/0 2-4/0 3-3/0 3-4/0 4-4/0 4-4/0
1000 2-2/0 2-3/0 2-4/0 3-3/0 4-3/0 4-4/0
1250 2-3/0 2-4/0 3-3/0 4-3/0 4-4/0
1500 2-4/0 3-3/0 3-4/0 4-4/0
1750 750 1000 2-750 2-1000 2-1000
2000 750 1000 2-750 2-1000
*Weld cable size (AWG) is based on either a 4 volts or less drop or a current density of not more than 300 circular mils per ampere. Use weld cable with
insulation rating equal to or greater than the open-circuit voltage of the unit.
OM-813 Page 4
3-4. Common Work Connections
ELECTRIC SHOCK can kill.
Do not touch live electrical parts.
Turn OFF welding power sources by placing
POWER circuit breakers in the OFF position before
making any weld output connections.
Do not connect welding output of different polarities
to the same structure.
See ANSI Z49.1 and OSHA Title 29, Chapter XVII,
Part 1910, Subpart Q (addresses at beginning of
manual).
Do not handle or come in contact with two live
electrodes at the same time.
ARCING can burn skin or damage
electrical equipment.
Do not change position of the welding cable
connectors while welding.
Be sure the connectors are secure in receptacles
before welding.
INADEQUATE WORK CABLE
CONNECTIONS can cause serious
damage to input power service and
create a hazardous condition.
Connect an electrical cable of adequate size
between the isolated terminal and the workpiece
whenever any welding power sources are
connected to the isolated terminal.
WARNING
The following procedure is for Elec-
trode Positive welding connections.
1 Positive (+) Weld Output
Cables
Determine cable lengths and sizes
according to welding power source
Owner’s Manual.
2 Isolated Terminal
3 Negative () Weld Output
Cables
Determine cable sizes according to
welding power source Owner’s
Manual. Cable must reach from
negative () output receptacle to
isolated terminal.
4 Common Negative () Weld
Output Cable
Cable must be able to carry com-
bined weld output of all welding
power sources using common work
connections. Use Table 3-1 to se-
lect proper cable size.
5 Terminal Lugs
Use lugs of proper amperage ca-
pacity and hole size for connecting
to isolated terminal.
For Electrode Negative, reverse
cable connections. Positive (+)
weld output cables connect to iso-
lated terminal, negative () weld
output cables go to electrode. Com-
mon weld output cable is positive.
ST-154 544-A / Ref. ST-154 540-A
1
GTAW
GMAW
SMAW
GTAW
GMAW
SMAW
3
1
42
2
3
5
4
Figure 3-4. Common Work Connections
OM-813 Page 5
3-5. Paralleling Welding Power Sources For SMAW
ELECTRIC SHOCK can kill.
Do not touch live electrical parts.
Turn OFF welding power sources by placing
POWER circuit breakers in the OFF position before
making any weld output connections.
Do not connect welding output of different polarities
to the same structure.
See ANSI Z49.1 and OSHA Title 29, Chapter XVII,
Part 1910, Subpart Q (addresses at beginning of
manual).
Do not handle or come in contact with two live
electrodes at the same time.
UNDERSIZED WELDING CABLES can
cause fire.
Use single cables of adequate capacity to carry the
total combined amperage of the paralleled welding
power sources.
ARCING can burn skin or damage
electrical equipment.
Do not change position of the welding cable
connectors while welding.
Be sure the connectors are secure in receptacles
before welding.
INADEQUATE WORK CABLE
CONNECTIONS can cause serious
damage to input power service and
create a hazardous condition.
Connect an electrical cable of adequate size
between the isolated terminal and the workpiece
whenever any welding power sources are
connected to the isolated terminal.
WARNING
Set the Amperage/Voltage control
on all paralleled welding power
sources to the same value. The iso-
lated terminal may be used as a
common connection point if no oth-
er connections are made to it.
The procedure shown is for Elec-
trode Positive welding connections.
1 Weld Output Cables
Determine cable sizes according to
welding power source Owner’s
Manual. Cables must reach cable
connection point. Cables con-
nected together must be the same
polarity.
2 Connection Point
Cover with proper insulating materi-
al after making connections.
3 Terminal Lugs
Use lugs of proper amperage ca-
pacity and hole size for connection.
4 Common Weld Output Cable
Cable must be able to carry com-
bined weld output of all welding
power sources connected in paral-
lel. Use Table 3-1 to select proper
cable size.
For Electrode Negative, reverse
cable connections. Positive (+)
weld output cables connect to work,
negative () weld output cables go
to electrode.
ST-154 543-B / Ref. ST-154 540-A
1
1
2
SMAW
+
3
4
Securely cover connection
with proper insulating
material.
Figure 3-5. Paralleling Welding Power Sources For SMAW
OM-813 Page 6
3-6. 120 Volts AC Duplex Receptacles
Ref. ST-152 657 / Ref. ST-154 542
1 120 Volts AC Duplex Recep-
tacle
2 Receptacle Cover
This rack supplies up to 20 am-
peres of 120 volts ac power at each
duplex receptacle.
2
1
Figure 3-6. Connecting To 120 Volts AC Duplex Receptacle
3-7. Connecting Input Power To Rack
WARNING
ELECTRIC SHOCK can kill.
Do not touch live electrical parts.
Turn OFF welding power sources before inspecting or installing rack.
Have only qualified persons install rack.
Installation must meet National Electrical Code and all other codes.
swarn3.1 10/91
Have only qualified persons make
this installation.
1 Rear Control Box Center
2 Access Panel
Remove access panel.
3 Line Disconnect Switch Of
Proper Rating
4 User-Supplied Strain Relief
Connector
5 Input Conductors
6 Grounding Conductor
Select size and length using
Table 3-2. Conductors must be
able to carry the combined amper-
age draw of all welding power
sources mounted on the rack. Con-
ductor insulation must comply with
national, state, and local electrical
codes. Use lugs of proper amper-
age capacity and correct hole size.
7 Input Terminal Block
8 Line Terminals
9 Ground Terminal
Insert conductors through strain
relief.
Connect input conductors to line
terminals and grounding conductor
to ground terminal.
Install and connect input conduc-
tors and grounding conductor in
conduit or equivalent to deener-
gized line disconnect switch.
Be sure grounding conductor goes
to an earth ground.
Reinstall access panel.
10 Line Fuses
Select fuses or circuit breakers us-
ing Table 3-2. Install into deen-
ergized line disconnect switch.
1 2
7
8
5
4 96
3
10
ST-151 270-A
6
Figure 3-7. Input Power Connections
Ref. S-0092-C
OM-813 Page 7
Table 3-2. Electrical Service Requirements*
Input Voltage
230 460
Circuit Breaker Size In Amperes
1
500 250
Fuse Size In Amperes
2
500 250
Input Conductor Size In AWG/Kcmil
3
350 1/0
Maximum Input Conductor Length In Feet (Meters)
4
240 (73) 415 (126)
Grounding Conductor Size In AWG/Kcmil
5
2 4
*
These values are calculated from the 1990 edition of the National Electrical Code (NEC).
1
Circuit breaker range is 150% to not more than 200% of rated input amperage of the welding power source (Article 630-12(a) of NEC).
2
Standard fuse size is that closest to 150% of rated input amperage of the welding power source (Article 630-126 of NEC).
3
Input conductor size is for insulated copper wire with 75°C rating with not more than three single current-carrying conductors in a cable or raceway
(Article 630-16 of NEC).
4
Maximum length is to prevent more than a 3% voltage drop between service entrance and input terminals of the welding power source (Articles
210-19(a) and 215-2(b) of NEC).
5
The grounding conductor shall be colored or identified as specified in the NEC. Grounding conductor size for copper wire is not required to be larger
than input conductor (Article 250-95 of NEC).
SECTION 4 MAINTENANCE & TROUBLESHOOTING
ELECTRIC SHOCK can kill.
Do not touch live electrical parts.
Turn OFF welding power sources, and disconnect
input power to rack before inspecting, maintaining,
or servicing.
HOT PARTS can cause severe burns.
Allow cooling period before maintaining or
servicing.
Maintenance to be performed only by qualified persons.
WARNING
4-1. Routine Maintenance
Table 4-1. Routine Maintenance
Time Maintenance
Every month More than normal equipment use: Check all labels (see 6 month entry), Repair
any damaged insulation or replace weld cables if necessary. Clean and tighten
cable connections. Clean internal parts (see 6 month entry).
Every 3 months Repair any damaged insulation or replace weld cables if necessary. Clean and
tighten cable connections.
Every 6 months Replace any labels that are unreadable or damaged (see Section 6 for part
number). Remove unit outer enclosure to blow out or vacuum dust and dirt from
inside using a clean, dry airstream or vacuum suction.
OM-813 Page 8
4-2. Overload Protection
READ SAFETY BLOCKS at start of
Section 4 before proceeding.
WARNING
A. Fuses F1-F3
CAUTION
STATIC ELECTRICITY can damage parts on circuit boards.
Put on grounded wrist strap BEFORE handling boards or parts.
fwarn5.1* 9/91
Turn OFF welding power sources
and disconnect input power to rack.
1 Rear Control Box Center
2 Access Panel
Remove rear access panel to left of
center to check and replace fuses.
Use proper tool when removing
fuses.
3 Fuse F1 (see Parts List for rat-
ing)
4 Fuse F2 (see Parts List for rat-
ing)
Fuses F1 and F2 protect the auxiliary
power transformer T2 from overload.
F1 protects when the rack is con-
nected to 230 volt input power and F2
protects when the rack is connected
to 460 volt input power.
5 Fuse F3 (see Parts List for rat-
ing)
Fuse F3 protects the control circuitry
that links the duplex receptacles for
230 or 460 volt input power.
If F1, F2, or F3 opens, remote auxilia-
ry devices connected to either of the
duplex receptacles will shut down.
Reinstall rear access panel.
ST-154 545
12
543
Figure 4-1. Fuse Locations
OM-813 Page 9
B. Circuit Breakers
1 POWER Circuit Breakers
CB1-CB8
Each POWER circuit breaker CB1
through CB8 protects the welding
power source connected to it from
overload.
If a POWER circuit breaker opens,
the matching welding power source
would shut down. Manually reset
the POWER circuit breaker.
2 Circuit Breaker CB9
3 Circuit Breaker CB10
Circuit breakers CB9 and CB10
protect auxiliary power transformer
T2 from overload.
If CB9 or CB10 opens, the duplex
receptacle beneath the circuit
breaker does not work. Manually
reset CB9 or CB10.
Ref. ST-151 267-B / Ref. ST-154 542 / Ref. ST-152 657 / Ref. ST-151 269-A
2
1
3
Figure 4-2. Circuit Breaker Locations
OM-813 Page 10
4-3. Troubleshooting
ELECTRIC SHOCK can kill.
Do not touch live electrical parts.
Turn OFF welding power sources, and disconnect
input power to rack before inspecting, maintaining,
or servicing.
HOT PARTS can cause severe burns.
Allow cooling period before maintaining or
servicing.
Troubleshooting to be performed only by qualified
persons.
WARNING
Table 4-2. Rack Trouble
Trouble Remedy Section
No weld output from any welding power
sources; units completely inoperative.
Place line disconnect switch in ON position. 3-7
Check line fuse(s) and replace if needed. 3-7
Check for proper input power connections to rack. 3-7
No weld output from one welding power
source.
Place applicable POWER circuit breaker in ON position. 4-2
Check for proper input power connections to welding power source. 3-3
Check applicable welding power source according to its manual.
No 120 volt ac output from either duplex
receptacle.
Check applicable fuses F1-F3 and replace if needed. 4-2A
No 115 volt ac output from one duplex re-
ceptacle.
Reset applicable circuit breaker CB9 or CB10. 4-2B
OM-813 Page 11
SECTION 5 ELECTRICAL DIAGRAMS
SB-153 320
Figure 5-1. Circuit Diagram For Rack Control Box
OM-813 Page 12
Figure 5-2. Wiring Diagram For Rack Control Box
SC-153 321
OM-813 Page 13
SECTION 6 PARTS LIST
Description
Part
No.
Item
No.
Figure 6-1. Main Assembly
Quantity
1 154 592 COVER, top 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 032 473 GASKET, lift eye 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 +154 594 BASE 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 Fig 6-2 CONTROL BOX 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 134 327 LABEL, warning general precautionary 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 123 507 CHAIN, sash stl No. 5 double loop (order by ft) 6ft. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 147 380 PIN, cotter hair .148dia x 2.687 lg x .625 shaft 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 147 331 PEG, cable holder 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
2
3
4 Fig 6-2
5
6
7
8
ST-151 271-A
Figure 6-1. Main Assembly
+When ordering a component originally displaying a precautionary label, the label should also be ordered.
BE SURE TO PROVIDE MODEL AND SERIAL NUMBER WHEN ORDERING REPLACEMENT PARTS.
OM-813 Page 14
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20212223
24
25
2627
28
7
29
26
22
30 31 32 33
34
35
36
ST-151 272-A
37
Fig 6-3
Figure 6-2. Control Box
OM-813 Page 15
Description
Part
No.
Dia.
Mkgs.
Item
No.
Figure 6-2. Control Box (Fig 6-1 Item 4)
Quantity
1 151 938 BRACKET, hold down rear 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 151 942 COVER, top control box 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 151 928 RETAINER, hold down brkt 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 148 851 BRACKET, nut-sert 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 049 399 NUT, speed push-on-type .312 stud .625 OD x .45 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 153 926 BRACKET, hold down right 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 151 946 WASHER, flat nyl .317 ID x .500 OD x .032thk 16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 153 927 BRACKET, hold down left 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 086 863 SCREW, cap stl hexwhd slflkg .375-16 x 1.000 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 T2 148 340 TRANSFORMER, kVA 5 115-115-230/460 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11 CB9,10 093 996 CIRCUIT BREAKER, man reset 1P 20A 250VAC 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
12 CB1-8 147 810 CIRCUIT BREAKER, mag 3P 60A 600V 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
13 + NAMEPLATE, (order by model and serial number) 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14 010 357 NUT, speed No. 2 clip on type knrl 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
15 145 743 LUG, univ w/scr 600V 2-14 wire 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
16 604 102 CONNECTOR, clamp cable 1.000 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
17 148 311 DOOR, access w/hinge 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
18 078 034 FASTENER, screw sltd hd .736 lg 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
19 010 855 RETAINER, screw No. 2 8. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
20 150 840 COVER, receptacle duplex GFIC weather proof 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
21 RC3,4 151 981 RECEPTACLE, str dx grd 2P3W 20A 125V GFI 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22 124 245 LABEL, warning electric shock can kill 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
23 PL1,2 135 199 LIGHT, ind red lens 28V 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
24 601 872 NUT, stl hex full .375-16 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
25 602 213 WASHER, lock stl split .375 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
26 152 684 LABEL, caution incorrect voltage can damage 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
27 +152 526 CONTROL BOX 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
28 +147 228 COVER, box large 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
29 148 025 LUG, univ w/scr 600V 2/0-6 wire 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
30 DB1 147 861 DISTRIBUTION BLOCK, pwr 600V 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
31 147 225 BRACKET, mtg distribution block 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
32 084 435 SCREW, cap brs hexhd .500-13 x 2.000 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
33 039 045 TERMINAL BOARD, black 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
34 602 247 WASHER, flat stl SAE .500 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
35 602 216 WASHER, lock stl split .500 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
36 601 840 NUT, brs hex .500-13 jam 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37 Fig 6-3 PANEL, mtg w/components 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
108 020 CLAMP, stl cush 1.625dia x .281mtg hole 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
087 318 CLAMP, stl cush 1.000dia x .203mtg hole 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
048 489 CLAMP, nyl 1.000 clamp dia x .500 wide 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
010 145 CLAMP, nyl .500 clamp dia 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
+When ordering a component originally displaying a precautionary label, the label should also be ordered.
BE SURE TO PROVIDE MODEL AND SERIAL NUMBER WHEN ORDERING REPLACEMENT PARTS.
OM-813 Page 16
Description
Part
No.
Dia.
Mkgs.
Item
No.
Figure 6-3. Panel, Mtg w/Components (Fig 6-2 Item 37)
Quantity
1 W1,2 145 407 CONTACTOR, def prp 25A 2P 24VAC 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 153 318 PANEL, mtg components 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 083 147 GROMMET, scr No. 8/10 panel hole .312sq .500 high 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 070 404 HOLDER, fuse crtg 30A 600V 1P w/clips 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5 F1 *148 558 FUSE, crtg 25A 600V time delay 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6 F2 *152 658 FUSE, crtg 12A 600V time delay 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 095 847 HOLDER, fuse crtg 30A 600V 13/32 x 1-1/2 lg 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 F3 *128 430 FUSE, crtg 1A 500V time delay 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9 PC1 152 527 CIRCUIT CARD, relay linking 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PLG1 136 810 HOUSING PLUG & SOCKETS, (consisting of) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
114 066 TERMINAL, female 1skt 20-14 wire 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
PLG2 115 091 HOUSING PLUG & SOCKETS, (consisting of) 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
113 746 TERMINAL, female 1skt 24-18 wire 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 VCRM1 153 289 MODULE, capacitor/varistor/resistor 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
11 T1 147 985 TRANSFORMER, control 1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 2
3
4
5
6
78
9
1011
ST-151 275
Figure 6-3. Panel, Mtg w/Components
*Recommended Spare Parts.
BE SURE TO PROVIDE MODEL AND SERIAL NUMBER WHEN ORDERING REPLACEMENT PARTS.
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Miller XMT 8-RACK Owner's manual

Category
Welding System
Type
Owner's manual
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