Miller Bobcat 250 NT, Owner'S Manual

Page: 17 / 80

OM-4403 Page 13
Continuous Welding
3-7. Duty Cycle
200 293
Duty cycle is the percentage of 10
minutes that unit can weld at rated
load without overheating.
Exceeding duty cycle can
damage unit and void
warranty.
100% Duty Cycle at 250 Amperes
SECTION 4 – INSTALLATION
4-1. Installing Welding Generator
install1 10/00 – Ref. 800 652 / Ref. 800 477-A / 158 936-A / S-0854
Do not weld on base. Weld-
ing on base can cause fuel
tank fire or explosion. Bolt
unit down using holes pro-
vided in base.
Always securely fasten
welding generator onto
transport vehicle or trailer
and comply with all DOT and
other applicable codes.
Always ground generator
frame to vehicle frame to pre-
vent electric shock and static
electricity hazards.
1 Generator Base
2 Metal Vehicle Frame
3 Equipment Grounding
Terminal
4 Grounding Cable
Use #10 AWG or larger insulated
copper wire.
If unit does not have GFCI re-
ceptacles, use GFCI-
protected extension cord.
1
2
Electrically bond genera-
tor frame to vehicle frame
by metal-to-metal contact.
GND/PE
3
4
2
OR
OR
18 in
(460 mm)
18 in
(460 mm)
18 in
(460 mm)
18 in
(460 mm)
18 in
(460 mm)
OR
Movement Airflow Clearance
Location
Grounding
Do not lift unit from end.