FILTER ELEMENT AS-OIL 2492337 - Caterpillar

Caterpillar Products: AllThe following weld application sequence is a general guideline. Always refer to the weld instruction sheet for the most current, specific instructions and procedures.Note: All weld start and stop points and all weld illustrations are general. These generalizations should be considered identical for all top straps with minor variances. These minor variances are dependent upon actual component strap geometry unless otherwise specified on base edge assembly drawings.Note: Ensure that there is a 25 degree bevel (J) under each adapter strap location as shown in Illustration 4.Note: Factory and production variations in weld starts and stops (shown by points (D) to (E) in Illustration 2) is permissible. Stagger starts and stops when possible and consult a facility weld engineer for procedural variations within process capabilities.Note: Weld zones must not exceed the maximum interpass temperature of 260° C (500° F).
Illustration 1 g03200360
Top view of adapter and base edge showing side strap welds (A) through (H) are weld start points or weld stop points (1) Adapter (2) Base Edge (3) Adapter to base edge strap weld (5) Starter plate
Illustration 2 g03204914
Top view of adapter and base edge showing end strap welds (A) through (H) are weld start points or weld stop points (1) Adapter (2) Base Edge (3) Adapter to base edge strap weld (4) Lower weld
Illustration 3 g03204916
(1) Adapter (2) Base Edge (3) Adapter to base edge strap weld
Preheat adapters and edge to 150° C (300° F) minimum temperature with a maximum interpass temperature of 260° C (500° F). Assemble adapter bevel with hard contact against the base edge bevel with top strap flush to base edge top surface. Tack welding at mid length in root of weld groove on each side of adapter strap.
Tack weld a 10 mm (0.40 inch) thick mild steel starter plate (5) to the leading edge of the base edge at the junction of the upper and lower weld groves.