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STRIP 5V3388 - Caterpillar

5V3388 STRIP Caterpillar parts 920 STRIP
Alternative (cross code) number:
Caterpillar 5V3388 STRIP
Weight: 34 pounds 15 kg.

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Compatible equipment models: 5V3388:

WHEEL LOADER  920   Caterpillar
Number on catalog scheme: 5
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Read and understand the manufacturer's instructions and your employer's safety practices. Keep your head out of the fumes. Use ventilation, exhaust at the arc, or both, to keep fumes and gasses from your breathing zone and the general area. Wear correct eye, ear and body protection. Do not touch live electrical parts.See American National Standard Z49.1, "Safety in Welding and Cutting" published by the American Welding Society, 2501 N.W. 7th Street, Miami Florida 33125: OHSA Safety and Health Standards, 29 CFR 1910, available from U.S. Dept. of Labor, Washington, D.C. 20210.Preparation
Remove all oil, grease, paint, and dirt from the repair area. Remove surface oxides from the repair area. Repair areas include:* Linkage pin bores for steering and articulation* Seal thrust face surfaces* Hitch tube bearing surfacesProtect all machined areas from sparks or spatter produced by welding and grinding operations.Repairs should be made with the hitch assembly at a temperature of 20°C (68°F) with protection from drafts, especially in cold weather.Weld Procedures/Metal Spray
Weld Process and Consumables
Linkage and Articulated Pin Bore Salvage
Inspect pin bores prior to any weld repair. Repairable defects should be cut or ground out 6.0 mm (.25 in) deeper than the defect and repaired with weld material.Metal-to-metal contact of the pin to any frame member can result in material deformation. Deformed material may contain cracks and should be removed. Premachining results in a concentric bore with a stable base material for weld build-up.If the surrounding temperature is less than 16°C (60°F), the bores and adjacent area should be preheated to 95°C (200°F) prior to welding for crack prevention.The 1U-9600 Welding Group is the recommended tool for pin bore weld build-up. Automated welding results in clean and even metal deposition. Weld quality is improved over SMAW and semi-automatic GMAW. The recommended weld consumables are shown in the consumable charts. Follow the recommendations for the 1U-9600 Welding Group according to CSTG bulletin NEHS0513-02.If the 1U9600 Welding Group is not utilized, the bores may be built up to size using E7018 SMAW 3.18 mm (.125 in) diameter electrode, 1U-5232, or by the GMAW process. Use the recommended consumables for the bore welder for semi-automated welding.When using the SMAW or semi-automated GMAW welding, outline the repair area, placing welds (A) and (B) as shown in the illustration. Make a series of transverse welds (C) to complete the build-up. If additional weld deposit is required, repeat the welding procedures for the appropriate processes.Spot repairs of welds may be made by defect removal, preheat and welding according to the specifications.A vertical or horizontal mill may be used for machining the bores to dimension. Single point tooling is used for cutting. Carbide tools recommended include C5 for roughing and C7 for finishing.Thrust Face Seal Surface
The maximum wear and/or preparatory machining limits are shown for hitch rebuild/repair. Weld deposits can be made to within 6.0 mm (.24 in) of the end of the radius. Deposit weld material to build-up the thrust face surface. Overlap preceding weld beads by 50% to provide a smooth surface, proper

Caterpillar parts catalog:

Caterpillar parts catalog

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633D, 637D, 768C, 769C, 834B, 836, 988B
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