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8.2.1.3
COMPRESSOR ASSEMBLY: The compressor and pulley can, over time, become dirty and shows signs of wear and/or damage. It is essential that the compressor and its pulley remain in excellent condition for proper operation of the Compressor Drive Module assembly. Check the pulley condition as per 8.2.1.1. If there is damage to the pulley, it should be replaced. Check the compressor shaft seal as per 8.2.1.4. If a leak is detected and it is excessive, the compressor should be replaced. If there is visible damage to the compressor housing, the compressor should be removed and replaced. Refer to Disassembly (Section 5) and Assembly (Section 9). Contact Enviro Systems customer service.
8.2.1.4
COMPRESSOR SHAFT SEAL: Over time, the compressor shaft seal may show signs of excessive oil spray and this can cause the Compressor Drive Module assembly to have less than optimal performance. If excessive oil spray is observed, the compressor should be replaced. Refer to Disassembly (Section 5) and Assembly (Section 9). Contact Enviro Systems customer service to order new compressor.
NOTE: If the compressor has not been operated for 30-60 days or more, the dynamic shaft seal may indicate a small leak due to the absence of oil on the dynamic seal surface. Operation of the system should eliminate this type of leak. If not, proceed with removal and replacement procedures.
Component Maintenance Manual
12037 N Highway 99
Seminole, OK 74868
Phone (405) 382-0731
Fax (405) 382-0737
http://www.enviro-ok.com
EFFECTIVITY: ALL 21-00-09
Page 6003
FEBRUARY 16, 2010
8.2.1.5
ELECTRICAL WIRING: The electrical wiring can, over time, become worn and damaged. If the wiring insulation is showing signs of abrasion or damage of any other kind, replace wiring as required
SUBTASK 21-00-09-30-002
8.3
Receiver Dryer Assembly repair procedures:
8.3.1.1
RECEIVER DRYER ASSEMBLY: The receiver dryer assembly can, over time, become damaged. The component can also become contaminated due to damaged, opened, cracked, or ruptured lines or hoses. If the receiver dryer shows signs of damage, the receiver dryer should be removed and replaced. If the receiver dryer has been contaminated, it must be removed and replaced (refer to Disassembly, Section 5 and Assembly, Section 9). Contact Enviro Systems customer service to order a new receiver dryer.
SUBTASK 21-00-09-30-003
8.4
Condenser Blower Assembly repair procedures
8.4.1
The following components may require periodic repair and/or replacement (refer to the Inspection Schedule in Section 7 for mandatory time intervals) (refer to Figure 10002):
•
Vane Axial Blower Assembly (70)
•
Shroud Assembly(30)
•
Condenser Coil Assembly (20)
8.4.1.1
VANE AXIAL BLOWER ASSEMBLY: The vane axial blower motor and fan assembly is a balanced assembly and cannot be removed and replaced in the field. If there is damage to this assembly in any way, remove the entire vane axial blower assembly (refer to Disassembly, Section 5 and Assembly, Section 9) and return to Enviro Systems for repair or replacement. Contact Enviro System customer service.
8.4.1.2
SHROUD ASSEMBLY: The shroud assembly can, over time, show signs of cracking and separation between the shroud and the condenser coil assembly. This can cause the condenser blower assembly to have less than optimal performance. If the shroud is separating, refer to Disassembly (Section 4) for removal of shroud. Then refer to Cleaning (Section 6). After insuring that the seam between the shroud and condenser has been cleaned according to the cleaning procedures (Section 6), apply a new bead of RTV and reinstall shrouds (refer to Assembly, Section 9). Allow RTV to cure for a minimum of 24 hours before operating system. If the shrouds are cracked or are damaged in any other way, the shrouds should be replaced (refer to Disassembly, Section 5 and Assembly, Section 9). Contact Enviro Systems customer service to order new components.
Component Maintenance Manual
12037 N Highway 99
Seminole, OK 74868
Phone (405) 382-0731
Fax (405) 382-0737
http://www.enviro-ok.com
EFFECTIVITY: ALL 21-00-09
Page 6004
FEBRUARY 16, 2010
8.4.1.3
CONDENSER COIL ASSEMBLY: The condenser coil fins can, over time, become clogged with dirt, dust, and other foreign matter. The component can also become damaged. The coil return bends can, over time, become dented, cracked, or can start leaking. It is essential that the condenser coil as well as the coil bends remain clear and undamaged for proper operation of the condenser blower assembly. Refer to Cleaning (Section 6) for proper cleaning procedures. If coil fins are bent, use a fin comb and try straightening the fins. If fins and coil return bends are excessively damaged, the entire condenser blower assembly must be removed (refer to Disassembly, Section 5 and Assembly, Section 9) and sent to Enviro Systems for repair. Contact Enviro Systems customer service
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OPERATING, SERVICING, AND COMPONENT MAINTENANCE MANUAL(18)
