T-354 7–83. Check oil level in service replacement compressor (refer to paragraph Section 7.8.6).4. A compressor terminal wiring kit must be ordered as a separate item when ordering replacement compres-sor. Appropriate installation instructions are included with kit.5. Refer to Table 7–6 and Table 7–7 for applicable compressor wear limits and torque values.6. Refer to Figure 7.36 for charts on compressor pressure, temperature and motor current curves.7.8.1 Removal and Replacement of Compressor1. Remove the protective guard from lower section of the unit.2. Pump down low side (refer to Section 7.4) or frontseat compressor service valves and remove refrigerantfrom compressor using a refrigerant recovery system.3. Locate the compressor junction box. Tag and disconnect wiring from compressor terminals and removecompressor junction box.4. Loosen service valve mounting bolts, break seal, and then remove bolts.5. Remove compressor plate mounting bolts.6. Remove compressor and mounting plate. Refer to Section 3.2 for weight of compressor.7. Remove high pressure switch (HPS) from compressor and check operation of switch (refer to Section 7.9.2).Figure 7.6 Compressor1. Discharge Valve Flange2. High Side Pressure Connection3. Low Side Pressure Connection4. Suction Valve Flange5. Motor End Cover6. Serial/Model No. Plate7. Crankcase Heater8. Bottom Plate9. Sight Glass10. Oil Drain Plug11. Oil Charging Valve12. Bearing Head13. Oil Pump14. Oil Fill Plug15. Cylinder Head16. Valve Plate- - - - -8. Remove compressor mounting bolts from mounting plate and install mounting plate on replacement compressor.9. Install replacement compressor terminal wiring kit, following instructions included with kit.10. Install high pressure switch on compressor.11. Install compressor and mounting plate in unit.12. Connect junction box(es) to compressor and connect all wiring per wiring diagram. Install junction box cover(s).1 2 345678910111213141516
