Maintenance - ESAB ESP-50 Instruction Manual

sectIon 5
WarnInG
be sure that the wall disconnect
switch or wall circuit breaker
is open before attempting any
inspection or work inside of the
esp-50.
cautIon
Water or oil occasionally accu-
mulates in compressed air lines.
be sure to direct the first blast of
air away from the equipment to
avoid damage to the esp-50.
WarnInG
make sure power switch on
esp-50 is in oFF position before
working on the torch.
WarnInG
always replace torch with the
proper torch manufactured by
esab since it alone contains es-
ab's patented safety interlock.
SHIELD
5.1 General
If this equipment does not operate properly, stop work immediately and investigate
the cause of the malfunction. Maintenance work must be performed by an experi-
enced person, and electrical work by a trained electrician. Do not permit untrained
persons to inspect, clean, or repair this equipment. Use only recommended replace-
ment parts.
5.2 InspectIon and cleanInG
Frequent inspection and cleaning of the ESP-50 is recommended for safety and proper
operation. Some suggestions for inspecting and cleaning are as follows:
A. Check work cable for secured connection to workpiece.
B. Check safety earth ground at workpiece and at power source chassis.
C. Check heat shield on torch. It should be replaced if damaged.
D. Check the torch electrode and cutting nozzle for wear on a daily basis. Remove
spatter or replace if necessary.
E. Make sure cable and hoses are not damaged or kinked.
F. Make sure all plugs, fittings, and ground connections are tight.
G. With all input power disconnected, and wearing proper eye and face protection,
blow out the inside of the ESP-50 using low-pressure dry compressed air.
H. Occasionally, bleed all water from the filter beneath the air filter-regulator.
5.3 pt-35 torch consumable parts
To assemble the consumable parts, refer to Figure 4-1.
A. Thread electrode into torch body, hand tighten.
B. Insert insulator into torch as shown.
C. Place nozzle into the shield.
D. Thread assembly to the torch body and hand tighten. always make sure the
shield is tight before cutting.
ELECTRODE
NOZZLE
Figure 5-1. assembly of pt-35 torch Front end parts
INSULATOR
maKe sure shIeld Is tIGht!
227

maIntenance

TORCH BODY
Important!