SWITCH AS-PRESSURE 1958453 - Caterpillar

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
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Remove bolts (1) and disconnect ECM harness assemblies (2) .
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Remove hose assembly (3) from the bottom of the ECM.
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Remove fitting (4) from the top of the ECM.
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Remove bolt (5) and ground strap (6). Remove remaining bolts (5) that hold the ECM to the cylinder block.
Remove the ECM from the machine.Installation Procedure
Keep all parts clean from contaminants.Contamination of the hydraulic system with foreign material will reduce the service life of the hydraulic system components.To prevent contaminants from entering the hydraulic system, always plug or cap the lines, fittings, or hoses as they are disconnected. Cover any disassembled components and clean them properly before assembly.Clean the hydraulic system properly after any major component exchange or especially after a component failure, to remove any contamination.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 6 g00871740
Illustration 7 g00871568
Position ECM (7) to the cylinder block. Install ground strap (6) and bolt (5). Install remaining bolts (5) .
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Install fitting (4) to the top of the ECM.
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Install hose assembly (3) to the bottom of the ECM.
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Connect ECM harness assemblies (2). Install bolts (1). Tighten bolts (1) to a torque of 0.56 0.23 N m (0.41 0.17 lb ft).