Diodes D1 And D2 (200/230/460 V Model Shown) - Miller Millermatic 350P Technical Manual

8-6. Diodes D1 And D2 (200/230/460 V Model Shown)

L Torque to 25 in./lbs (2.8 NVm)
z Torque to 31 in/lbs (3.5 NVm)
Torque all other hardware
to 17 in./lbs (1.9 NVm)
Interconnecting Board PC2
z
L
L
L
z
Diode D1
Millermatic 350
z z
L
L
L
L
L
z
z
Diode D2
L
L
L
.
200/230/460 V Models
.
460/575 V Models
!
Read and follow safety
information in Section 8-1
before proceeding.
!
Wear an earth grounded
wrist strap when performing
pre-power checks. Remove
wrist strap before perform-
ing any checks or proce-
dures with power applied to
the machine.
1 Check resistance of diodes
D1 and D2 on PC2:
For 200/230/460 V Models:
2000 ohms 10% (ohms position).
For 460/575 V Models:
400 ohms 10% (ohms position).
Ref. 803 550-A / 221 044-A
TM-1327 Page 47