Specifications

R
CHIEF 2000 HERTZ DC INVERTER WELDER
USERS MANUAL
This users manual is written to familiarize operators with the
safe and efficient operation of the Chief 2000 Hertz DC
Inverter Welder System. This resistance spot welder com-
bines simplicity with multifunctional operations. It is easy to
use and its welding functions increase job performance and
shop productivity. It may be used with mild steel, galvanized
steel or high strength steel.
Prior to using this welding system, all operators must read
this entire manual to not only become familiar with the sys-
tem’s components but to also observe all safety, mainte-
nance and troubleshooting precautions.
General Precautions:
1. Operation and maintenance are to be carried out in com-
pliance with the recommendations listed in this users
manual.
2. All operators must be trained in the use of this welder.
3. Only qualified personnel must perform repairs and main-
tenance.
4. DO NOT attempt to dismantle or heat the gas spring of
the gun suspension system.
5. The electrical supply may reach 480 VAC (check voltage
on manufacturer’s name plate) and is a potential source
of danger if this manual’s recommendations are not fol-
lowed.
6. Voltage in the machine may reach 670 VDC (indicated on
warning label inside of machine) and is a potential source
of danger if this manual’s recommendations are not fol-
lowed.
7. The machine includes capacitors which store electrical
power even when the system has been disconnected
from power supply. See related precautions - page11.
8. Operator is responsible for ensuring proper care and
complying with the car manufacturer’s recommendations
relating to the protection of electrical, electronic or safety
devices (computer, car radios, alarms, air-bags, etc.).
9. Before any maintenance or repairs are made to equip-
ment, electrical power supply must be cut off from the
welder by placing main switch (on front of machine) in the
“off” position and disconnecting machine from power sup-
ply.
10. Before any maintenance or repairs are made to equip-
ment, compressed air supply should be cut off and
depressurized.
11. The electrodes, arms and secondary leads may become
extremely hot after use and may result in serious burns.
Allow these parts to cool before any repairs or mainte-
nance is performed.
12. Follow maintenance recommendations listed in this man-
ual. Repairs should be made immediately and all faulty
parts replaced.
!
All welding machines comply with EC standards and
international standards relative to resistance welders
and general specifications applicable to all trans-
formers. All electrical components are UL listed.
CAUTION:
If precautions in this manual are not observed:
• Personnel will be endangered.
• Welding unit or other property may be damaged.
Chief Automotive Systems, Inc. is not responsible for
any injuries or property loss resulting from operation of
this unit under the following circumstances:
- Modification or neutralization of safety devices.
- Non-compliance of recommendations as listed
in this manual.
- Modification of equipment.
- Use of accessories other than those supplied
by Chief Automotive Systems, Inc.
Chief
2000
Hertz
DC Inverter
Welder
Standards
1
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