Welding Instructions
Before welding on the unit, contact the factory service department for approval.
When doing repair welding on your unit take precaution attaching your ground to
the component being repaired. This will reduce the chance of arcing through a
bearing, cylinder, etc., damaging the component. Paint should be removed from
the surface to be used as the “ground” (earth).
Use necessary precaution when welding around fuel tanks, oil reservoir,
batteries, tubing and pressure systems.
When welding close to glass, cylinder rods, or any polished surface, provide
adequate protection from splatter.
Never weld when the engine is running. Always disconnect the battery cables and
applicable grounds before welding.
Do not weld on wet surfaces since this will cause hydrogen embrittlement of the
weld.
Always have a fire extinguisher on hand in case of fire. Adequate ventilation and
dry area are necessary. Protective clothing should be used and all persons in the
welding area should have protection for their eyes. Follow instructions for welding
and cutting on paint.
AWS CLASS E7018 Low hydrogen rod for normal repairs on low alloy to medium carbon
steel. All position welding, good penetration, and crack resisting up to 80,000 yield. Also
suitable for repair of previous intershield welds.
AWS CLASS E11018G Low hydrogen rod for repair on high strength alloy steel such as
T-1, 80,000 to 100,000 yield. All position welding, good penetration, and high tensile
strength up to 110,000.
NOTE: Low hydrogen rod E7018 must be used within four (4) hours upon removal
from a freshly opened container or from a storage oven.
Low hydrogen rod E11018G must be used within 1/ 2 hour upon removal from its
container or from a storage oven.
All welding procedures and welding operator qualifications shall be in accordance
with ANSI/AWS D14.3 when welding on load sustaining members (ANSI/ASME
B30.5)
RT500
Service / Parts
272 REVISED:
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