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BRACKET GP-MTG 5089014 - Caterpillar

5089014 BRACKET GP-MTG Caterpillar parts BRACKET
Alternative (cross code) number:
Caterpillar 5089014 BRACKET GP-MTG

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Table 1
Oil Capacities for Component Replacements    
Accumulator     30 mL (1 fl. oz)    
Compressor     Refer to the Testing and Adjusting, "Refrigerant Compressor Oil-Check"section.    
30 mL (1 fl. oz)    
90 mL (3 fl. oz)    
In-Liner Dryer (1)    
30 mL (1 fl. oz)    
Receiver - Dryer    
30 mL (1 fl. oz)    
( 1 ) Refer to the Disassembly and Assembly, "In Line Refrigerant Dryer - Remove and Install" before any oil is added.Introduction
Oil supplies the necessary lubrication in the refrigerant circuit for the compressor. Too little oil in the circuit can cause the compressor to seize. Too much oil decreases the amount of cooling that is supplied to the operator.The procedures outlined in this publication describe a process for ensuring the appropriate concentration of oil in the refrigerant circuit when oil has been removed from the circuit. All systems are charged with oil from the factory. This process assumes that the factory fill oil amount is still in the system. This process assumes that a minimal amount of oil has been lost due to leakage of pressure relief. Check of A/C System Oil
Whenever the refrigerant or a component for the air conditioning unit is removed, some of the refrigerant oil is also removed. The correct amount of oil must be replaced. The following three examples are conditions refrigerant oil must be replaced.Note: If oil has leaked from the system prior to service, then the system oil charge cannot be accurately determined. Proper oil charge can now only be determined by flushing and using method for oil charge after system flush. refer to Testing and Adjusting, "Refrigerant System Flush""Oil Charge After System Flush".
(A) Oil that is removed from the system during refrigerant recovery. Refer to Testing and Adjusting, "Refrigerant Recovery" in order to see the correct procedure for recovering refrigerant. Record the amount of oil that is collected during the recovery.
(B) Oil that is removed from the system due to component replacement, other than the A/C compressor. Refer to "Oil Capacities for Component Replacements". Refer to Table 1.
(C) Oil is removed due to replacing the A/C compressor. Refer to "Replacing the A/C Compressor".Replacing a Component
When the replacement of a component is necessary, follow the procedures below.Note: If the failure of a component, causes particles of metal or other foreign material to be introduced into the system. flushing the system will be necessary. Refer to Troubleshooting, "Refrigerant System Flush" to make sure of proper diagnostics. Replacing both the orifice tube and receiver dryer is recommended in the event of A/C system contamination. Flushing of the A/C lines, condenser, and evaporator components will be necessary to safe guard installation of a new compressor. Failure to do so could void component warranties.
If, the A/C system is operable operate the engine at 1000 rpm. Set the temperature on maximum cooling setting. Move the fan speed switch to HIGH. The system will stabilize in a minimum of 10 minutes.
Stop the engine. Remove

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