which will obstruct the flow of gas. The gun should
with a small drill. Failure to remove the burr can
be dismantled every 100 hours, and the gas holes
result in another burn-back. Reinstall the guide
tube in the gun, ensuring that the end of the guide
blown out with high pressure air.
tube is the correct distance from the nozzle. The
(4) The fuses in the control monitor need not
1/16 to 0.035 inch tubes may be trimmed with a
be inspected except in the event of a failure of
equipment. At this time, check the fuses and if
maximum of
inch, and the 0.020 to 0.030 inch
tubes may be trimmed a maximum of
inch
burned out, replace. If when operation continues,
before discarding.
fuses continue to burn out, refer the trouble to
organizational maintenance.
( 3 ) The gas holes in the gun barrel may
become clogged with a residue of white powder
Section V. MAINTENANCE OF WELDING MACHINE AND
T R A I L E R CHASSIS
3-7. Trailer Chassis
3-6. Welding Machine
Refer to TM 9-2330-202-14P for instructions on
Refer to TM 5-3431-221-15 for instructions on
operators maintenance.
operators maintenance.
Section VI. MAINTENANCE OF TOOLS, OXYGEN AND GAS BOTTLES,
AND ACCESSORIES
Argon
3-8. Oxygen,
Acetylene,
and
Bottles
To maintain maximum efficiency, it is necessary to
keep all welding tools, as well as other tools, as
Check the bottles weekly for proper fill. Replace
empty bottles. When use of these bottles is ab-
clean as is possible. Use Fed Spec P-D-680 (Dry
Cleaning Solvent) or other equivalent solvents to
normal, the checks on the bottles should be made
more frequently.
keep all non-electrical tools clean.
