Section 7 − Maintenance & Troubleshooting; Routine Maintenance; Checking Shield Cup Shutdown System - Miller Electric Spectrum 875 Auto-Line Owner's Manual

SECTION 7 − MAINTENANCE & TROUBLESHOOTING

7-1. Routine Maintenance

n = Check
* To be done by Factory Authorized Service Agent
Each
Use
n Torch Tip, Electrode,
And Shield Cup
Every
Week
n Shield Cup Shutdown
System
Every l Damaged Or Unreadable
3 Labels
Months
n l Torch Body, Cable
Every
OR
6
Months
~ Inside Unit

7-2. Checking Shield Cup Shutdown System

.
A complete Parts List is available at www.MillerWelds.com
Z = Change ~ = Clean
n Gas/Air Pressure
l Cracked Parts
.
Power must be reset whenever the cup shutdown system
is activated. Always turn Off power when changing or
checking consumables. Do NOT overtighten torch
shield cup. Gently finger tighten cup onto torch.
1
!
Disconnect power
before maintaining.
l = Replace
~ Air Filter/Regulator n Gas/Air Hose
Assembly Filter
.
Maintain more often
during severe conditions.
Reference
1 Torch Shield Cup
Turn Power On and loosen shield
cup. If shutdown system works
properly, Cup light comes on. If not,
immediately turn Off power and
have Factory Authorized Service
Agent check unit.
If system works properly, retighten
cup and reset power.
.
DO NOT overtighten torch
shield cup.
Ref. 801 300-A
OM-242 880 Page 39