Section 7 − Maintenance And Troubleshooting; Routine Maintenance; Supplementary Protectors; Replacing Drive Roll And Wire Inlet Guide - Hobart H200L4-15 Owner's Manual

SECTION 7 − MAINTENANCE AND TROUBLESHOOTING

7-1. Routine Maintenance

n = Check
* To be done by Factory Authorized Service Agent
Every
3
Months
l Damaged Or Unreadable
Labels
OR
Every
6
Months
~ Inside Unit

7-2. Supplementary Protectors

7-3. Replacing Drive Roll And Wire Inlet Guide

1
3
Z = Change ~ = Clean
l Cracked Parts
n Remove drive roll
and apply light coat
of oil or grease to
drive motor shaft
2
1
2
.
A complete Parts List is available on-line at www.HobartWelders.com
l = Replace
n l Cables
!
Turn Off unit.
1 Supplementary
Protector CB1
CB1 protects main circuit
board PC1.
2 Supplementary
Protector CB2
1 Securing Screw
2 Inlet Wire Guide
Loosen screw. Slide tip as
4
close to drive rolls as pos-
sible without touching. Tight-
en screw.
3 Drive Roll
The drive roll consists of two
different sized grooves. The
stamped markings on the
!
Disconnect power
before maintaining.
.
Maintain more often
during severe conditions.
Reference
n ~ Tighten Weld
Terminal
CB2 protects the drive motor
circuit from overload. If drive
motor shorts or fails: check
gun liner blockage or kinks,
check for jammed wire or
binding drive rolls.
Correct problem. Press but-
ton to reset supplementary
protector.
Ref. 242 160-B
outer surface of the foll
refers to the groove on the
opposite side of the drive
roll. The groove closest to
the motor shaft is the proper
groove to thread wire (see
Section 5-13).
4 Drive Roll Securing Nut
Turn nut one click to secure
drive roll.
OM-235 281 Page 23
242 533-A