DETECTOR GP-OIL MIST 2500818 - Caterpillar

Start By:
Remove the counterbalance valve.
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
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.
Drain the oil from the final drive.
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Disconnect hose assemblies (1) and (3). Remove two bolts (2).
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Install Tooling (A) in the place of bolts (2).
Remove remaining bolt (2A) that secures travel motor (4) to the final drive.
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Attach a suitable lifting device to travel motor (4). The weight of travel motor (4) is approximately 57 kg (125 lb). Carefully pull travel motor (4) out of the final drive.
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Remove O-ring seal (5) from the travel motor.Installation Procedure
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, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat® products.Dispose of all fluids according to local regulations and mandates.
Thoroughly clean the mating surfaces of the travel motor and the final drive.
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Install a new O-ring seal (5). Apply clean hydraulic oil on O-ring seal (5).
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Attach a suitable lifting device to travel motor (4), as shown. The weight of travel motor (4) is approximately 57 kg (125 lb).
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Carefully install travel motor (4) on Tooling (A). Slide travel motor (4) into the final drive.
Install bolt (2A) that secures travel motor (4) to the final drive.
Remove Tooling (A).
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Typical example
Install bolts (2).
Connect hose assemblies (3) and (1).
Fill the final drive with oil.
Install high efficiency filters in place of the pilot filter, the case drain filter, and the return filter.Note: High efficiency filters should not be run for more than 250 hours before you change back to the standard filters.
Obtain a hydraulic oil sample from the main S O S port. Refer to Operation and Maintenance Manual, "Sampling Interval and Location of Sampling Valve" for the correct location.
If the S O S sample exceeds ISO 18/15, flush the hydraulic system. Refer to Contamination Control Guideline, SEBF8447 for further information.End By:
Install the counterbalance valve.