Miller Spectrum 875 User Manual

. A complete Parts List is available at www.MillerWelds.com
OM-264259 Page 37
8-5. Checking Or Replacing Filter Element (Part No. 227877)
rEF. 805 211-A
! Turn off power, and
disconnect input power plug
from receptacle or turn off
and lockout/tagout line dis-
connect device before
working on unit.
! Significant DC voltage can
remain on capacitors after
unit is Off. Check to see that
front panel lights (LEDs)
have stopped flashing and
are off before removing
wrapper.
Remove wrapper from unit (see
Section 8-4).
1 Rear Bezel
Remove rear bezel from unit.
2 Filter Bracket Screws
Remove filter bracket screws. Pull
filter bracket toward front of unit
until gas/air supply fitting is past
rear panel, and swing filter
assembly out to the side to allow
filter cup removal.
3 Filter Base
4 Filter Element
(Part No. 227877)
5 Filter Cup
Unscrew filter cup from base.
Remove cup.
Unscrew filter element from base.
Check filter element for dirt and
moisture, and replace if necessary.
Be sure that all parts are clean and
dry.
Reinstall filter element, and secure
filter cup.
Secure filter bracket to rear panel.
Reinstall wrapper and rear bezel.
Tools Needed:
5/16 in.
1
2
3
4
5

Miller Spectrum 875 Specifications

General

Amperage Output	20-60 A
CNC Interface	Optional
Gas Supply	Clean, dry, oil-free air or nitrogen
Input Frequency	50/60 Hz
Output Current Range	20-60 A
Welding Process	Plasma cutting
TIG Start	Not applicable
Rated Output	60 A
Cutting Capability	3/4 in (19 mm)
Cutting Capacity	1 in (25 mm)
Severance Capacity	1-1/4 in (32 mm)
Input Phase	1- or 3-Phase
Duty Cycle	60%