Duty Cycle; Installing Welding Generator; Section 4 – Installation - Miller Bobcat 250 NT Owner's Manual

3-7. Duty Cycle

4-1. Installing Welding Generator

Movement
Y Do not lift unit from end.
OR
Location
OR
Continuous Welding
100% Duty Cycle at 250 Amperes
SECTION 4 – INSTALLATION
Airflow Clearance
18 in
(460 mm)
18 in
(460 mm)
Grounding
1
OR
Electrically bond genera-
tor frame to vehicle frame
by metal-to-metal contact.
2
18 in
(460 mm)
18 in
(460 mm)
18 in
(460 mm)
3
4
GND/PE
2
install1 10/00 – Ref. 800 652 / Ref. 800 477-A / 158 936-A / S-0854
Duty cycle is the percentage of 10
minutes that unit can weld at rated
load without overheating.
Y Exceeding duty cycle can
damage unit and void
warranty.
200 293
Y 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.
Y Always
securely fasten
welding generator onto
transport vehicle or trailer
and comply with all DOT and
other applicable codes.
Y 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.
Y If unit does not have GFCI re-
ceptacles, use GFCI-
protected extension cord.
OM-4403 Page 13