LEVER 0010222 - Caterpillar

Installation of SystemOne Undercarriage Idler Guarding System on XL, XW, and IG Rear Track Roller Frames
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The right rear track roller frame as shipped from the factory.Installation of SystemOne Undercarriage Idler Guarding System on the Right Rear Track Roller Frame
For the right rear outside idler guard, create a paper template for 283-5251 Plate As (4) .
Align the top (F) and the outside (G) edge of the 283-5251 Plate As paper template with the existing outside rock guard plate (H) and tape the paper template in place.Note: The position of 283-5250 Plate As (4) must allow clearance for the removal of the idler.Note: If the frames are bent, align the plates in order to accommodate the best fit for the scraper and provide clearance for the removal of the idler.
Mark the center locations on the existing outside rock guard (H) with a center punch for three 30 mm (1.181 inch) diameter holes (J) .
Remove the paper template from the track roller frame.
Illustration 15 g01284893
The right rear track roller frame with three 30 mm (1.181 inch) (J) diameter burnt holes.
Outline a 30 mm (1.181 inch) diameter hole (J) around each of the center punch locations that were marked with the center punch. Using a punch, make four marks every ninety degrees around the outside of the 30 mm (1.181 inch) diameter hole.Note: One of the 30 mm (1.181 inch) holes (J) will not be a complete hole.Note: The 30 mm (1.181 inch) diameter holes (J) will provide clearance for the weld nuts on the 283-5251 Plate As (4) .
Use the marked holes as a reference, and burn three 30 mm (1.181 inch) diameter holes (J) with a oxyacetylene torch in the existing rock guard plate.
Grind a 6 mm (0.236 inch) bevel from point (I) to point (K) on the outside edge (G) and bottom edge (M) without making contact with the track link.
Remove paint and debris from welding surfaces.
Illustration 16 g01284921
The right rear track roller frame with 283-5251 Plate As (4) Installed.
Locate 283-5251 Plate As (4) by aligning the top (F) and outside (G) edges of the plate with the existing outside rock guard plate (H). Tack the 283-5251 Plate As (4) in place with a 25 mm (0.984 inch) length weld at the bottom (M) and outside (G) edges.
Complete two 8 mm (0.315 inch) plug welds in the two larger holes (L) of the 283-5251 Plate As (4) .
Complete an 8 mm (0.315 inch) groove weld at a 45 degree angle across the bottom edge (M) of plate (4) to notch (AA) with out making contact with the track link.
Complete an 8 mm (0.315 inch) fillet weld completely across the top edge (F) of the plate (4) .Note: In order to perform this weld, stick welding will be required as this is the only method that will allow access to the top edge of the plate.
Complete an 8 mm (0.315 inch) groove weld across the complete outside edge (G) of the plate