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TROUBLE
SHOOTHNG
WARNING: Removal of the Arc Stabilizer or welder
cabinet tops for any reason must be done by a quali-
fied service technician.
Be sure the branch circuit main disconnect switch or
circuit
fuses are removed
(or High Frequency
Arc
Stabilizer and welder plug and cord removed from their
receptacles)
before removing the cabinet.. Placing the
"ON-OFF" switch on the attachment in the "OFF" posi-
tion does not remove voltage from the power' leads
inside the High Frequency
Arc Stabilizer-BE
SAFE
AND BE ALIVE, OPEN THE BRANCH CIRCUIT, OR UN-
PLUG BOTH THE WELDER AND THE ARC STABILIZER.
TROUBLE
Spark gaps or
Arc Stabilizer
inoperative
Complaints of radio/
1_4or other
interference.
Arcing, odor, smoke,
noise or other signs
of welder damage°
PROBABLE CAUSE
REMEDY
"On-Off" switch "Off"
Turn switch "On"
Spark gaps eroded (gap
too wide).
Improper instatlation_
Overheating from failure
to operate welder at reduced
output or duty cycle when
using AC GTAW process.
Damage to welder by high
frequency voltage from
Readjust spark gaps See "Maintenance"
section
for DANGER note and procedure.
Discontinue operation immediately
Review
installation and grounding carefully, Refer
to "Installation"
section of this manual
Discontinue operation immediately, Have
welder inspected or repaired by a qualified
service person
Reduce welding current or
duty cycle
Discontinue operation immediately
Have
welder inspected or repaired by a qualified
............
_ ...imProper _installation,
, serv.ice #erson. Correct installation.
Poor welding
Arc Stabilizer and welder
Connect Arc Stabilizer and welder to the
performance with AC
connected to different
same phase of the power system.
welder,
phases of a three phase
system..
PARTS
LIST FOR CRAFTSMAN
300 AMP HIGH
FREQUENCY
ARC STABILIZER
ATTACHMENT
MODEL
113,201170
Key
Part
No.
No.
Description
1
2
3
4
5
6
7
8
9
10
11
12
13
!4
15
16
17
18
19
61443
STD601105
STD611005
61451
STD541025
STD551025
STD541006
61115
61116
STD522505
61117
61446
60444
i61449
i61459
61447
61458
STD510607
Cabinet, Top
*Screw, Pan Rec. Type "T"
10-32 x 1/2
*Screw, Pan Rec Type "AB"
N10 x 1/2
Support, Bracket
*Nut, Hex 1/4-20
*Washer; 17/64 x 47/64 x 1/16
=,Board, Asm
*Nut, 6-32
Block #5 Contact Mounting
Contabt, Selector Plug
*Screw, Hex 1/4-20 x 1/2
Block #6, Contact Mounting
Insulator
Washer, Spring
Stud
Washer; Fibre 266 x ..44
x 1/32
Insulator; Male
Washer; Fibre _656 x t
x 1/32
*Screw, Pan Hd_6-32 x 3/4
Key
Part
No.
No°
Description
20
61448
21
61460
22
STD551037
23
61452
24
61442
25
60359
26
61386
27
60361
28
61444
29
STD511110
30
803709
31
61450
32
STD551110
33
STD541110
34
61454
35
61455
36
61456
37
61453
-
61445
Insulator, Female
Washer, Fibre 266 x 56
x 1/32
*Washer; .34 x .56 x 03
Switch
Cabinet, Bottom
Screw, Type "AB" No 10
x 1-1/4
Bumper,
Recess
Relief, Strain
Cord with Plug
*Screw, Pan Rec. Type "T"
10-32 x 1
Connector, Wire
Lead Assembly
*Lockwasher No. 10
*Nut, Hex 10-32
Cable Assembly, Work
Cable Assembly, Electrode
Pfug Asernbly
Terminal Lug
Owners Manual (Not
illustrated)
*Standard Hardware Item-May
be Purchased Locally
o Any attempt to repair this board assembly may create a HAZARD unless repair is done
by a qualified service technician., Repair service is available at your nearest Sears store
14
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