3843711 TRACK GP Caterpillar parts
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Alternative (cross code) number:
CA3843711
384-3711
3843711
CA3843711
384-3711
3843711
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Note: 138-0007 Retainer CAN NOT be reused if the retainer measures less than 97 mm (3.82 inch).50 Series of the Mechanically Attached Wear Plate System for the 994 Wheel Loaders, for the 5230 Excavators, and for Other Similarly Sized Machines
Note: The minimum radius for the 50 Series of the Mechanically Attached Wear Plate System is 1200 mm (47.2 inch).
Table 7
50 Series of the Mechanically Attached Wear Plate System
Part Number Description Dimension
138-0050 Base Plate
29 mm (1.14 inch) Thick
138-0052 Wear Plate
300 X 250 X 75 mm (11.8 X 9.8 X 2.9 inch)
138-0053 Wear Plate (Heavy Duty)
300 X 250 X 100 mm (11.8 X 9.8 X 3.9 inch)
138-0007 Retainer Note: 138-0007 Retainer CAN NOT be reused if the retainer measures less than 97 mm (3.82 inch).Installation Instructions
Locate the area that will be protected. Clean the area free of dirt, of paint, and of debris. Be sure to leave a minimum of 50.8 mm (2 inch) clearance from adjacent objects for removal and for installation of the wear plate.
Illustration 1 g00830781
Typical base plate for the Mechanically Attached Wear Plate System
Illustration 2 g00830782
Bottom view of the base plate for the 50 seriesNote the J-Groove at locations "B" and "C".
Position the base plate in the desired location. Weld the base plate in position at the locations "A" and "B". Location "C" is used only for the base plate of the 50 Series. Make one pass at a time in each location in order to avoid excess heat buildup. The base plate will require several passes at each location in order to ensure that the proper strength is achieved. Use Table 8 in order to determine the sizes of the fillet welds and the J-groove welds and the number of passes for the base plate of each series. Note: The gaps between the base material and the base plate should be minimized. If necessary, tack welds can be used.Note: Do not weld along the sides of the base plate. The wear plate will slide over the base plate and any welds in these locations may interfere with the installation of the wear plate.
Table 8
The Sizes of Welds and The Number of Required Passes
Series of Base Plate Fillet And/Or J-Groove Weld Passes Location of Welds
20 Series
15 mm (0.6 inch) 3 A & B
30 Series
15 mm (0.6 inch) 3 A & B
40 Series
18 mm (0.7 inch) 6 A & B
50 Series
20 mm (0.8 inch) 8 A, B, & C
Illustration 3 g00830783
Installation of the wear plate on the base plate
Position the wear plate over the base plate. Slide the wear plate onto the base plate.
Illustration 4 g00830784
Bottom view of the wear plate that
Note: The minimum radius for the 50 Series of the Mechanically Attached Wear Plate System is 1200 mm (47.2 inch).
Table 7
50 Series of the Mechanically Attached Wear Plate System
Part Number Description Dimension
138-0050 Base Plate
29 mm (1.14 inch) Thick
138-0052 Wear Plate
300 X 250 X 75 mm (11.8 X 9.8 X 2.9 inch)
138-0053 Wear Plate (Heavy Duty)
300 X 250 X 100 mm (11.8 X 9.8 X 3.9 inch)
138-0007 Retainer Note: 138-0007 Retainer CAN NOT be reused if the retainer measures less than 97 mm (3.82 inch).Installation Instructions
Locate the area that will be protected. Clean the area free of dirt, of paint, and of debris. Be sure to leave a minimum of 50.8 mm (2 inch) clearance from adjacent objects for removal and for installation of the wear plate.
Illustration 1 g00830781
Typical base plate for the Mechanically Attached Wear Plate System
Illustration 2 g00830782
Bottom view of the base plate for the 50 seriesNote the J-Groove at locations "B" and "C".
Position the base plate in the desired location. Weld the base plate in position at the locations "A" and "B". Location "C" is used only for the base plate of the 50 Series. Make one pass at a time in each location in order to avoid excess heat buildup. The base plate will require several passes at each location in order to ensure that the proper strength is achieved. Use Table 8 in order to determine the sizes of the fillet welds and the J-groove welds and the number of passes for the base plate of each series. Note: The gaps between the base material and the base plate should be minimized. If necessary, tack welds can be used.Note: Do not weld along the sides of the base plate. The wear plate will slide over the base plate and any welds in these locations may interfere with the installation of the wear plate.
Table 8
The Sizes of Welds and The Number of Required Passes
Series of Base Plate Fillet And/Or J-Groove Weld Passes Location of Welds
20 Series
15 mm (0.6 inch) 3 A & B
30 Series
15 mm (0.6 inch) 3 A & B
40 Series
18 mm (0.7 inch) 6 A & B
50 Series
20 mm (0.8 inch) 8 A, B, & C
Illustration 3 g00830783
Installation of the wear plate on the base plate
Position the wear plate over the base plate. Slide the wear plate onto the base plate.
Illustration 4 g00830784
Bottom view of the wear plate that