Service manual
ix
62−11389
TABLE OF CONTENTS − Continued
PARAGRAPH NUMBER Page
8.5.13 Water Pump V-Belt 8−14................................................................
8.5.14 Crankcase Breather 8−14...............................................................
8.6 REFRIGERANT SYSTEM SERVICE 8−14....................................................
8.6.1 Refrigerant System Service Connections 8−14.............................................
8.6.2 Servicing The Refrigerant Charge 8−15...................................................
a. Checking Charge Level 8−15..........................................................
b. Checking For Noncondensibles 8−15...................................................
c. Removing Charge 8−15...............................................................
d. Pumping Down The Low Side 8−16.....................................................
e. Pumping Down The Compressor 8−16..................................................
f. Adjusting The Charge Level 8−16......................................................
g. Adding a Complete Charge 8−17.......................................................
8.6.3 Leak Checking 8−17....................................................................
a. Leak Checking a Charged System 8−17.................................................
b. Leak Checking a System Without Charge 8−17..........................................
c. Leak Checking With Low Side Pumped Down 8−18.......................................
d. Leak Checking Compressor 8−18......................................................
8.6.4 Evacuation And Dehydration 8−19........................................................
a. Evacuation of the Complete System 8−19...............................................
b. Evacuation of the Low Side 8−20.......................................................
c. Evacuation of the Compressor 8−20....................................................
8.7 COMPRESSOR AND UNLOADER SERVICE 8−20............................................
8.7.1 Repair or Replacement Determination 8−20................................................
8.7.2 Removal and Replacement of Compressor 8−21...........................................
8.7.3 Cylinder Head and Valve Plate Service 8−22...............................................
8.7.4 Oil Pump And Bearing Head 8−23........................................................
8.7.5 Compressor Oil Level 8−24..............................................................
a. Checking Compressor Oil Level 8−24...................................................
b. Adding Oil With Compressor In System 8−24............................................
c. Removing Oil From The Compressor 8−25..............................................
8.7.6 Unloaders 8−25........................................................................
a. Unloader Checkout procedure 8−25....................................................
b. Unloader Coil Replacement 8−25.......................................................
c. Replacing Unloader Valve Internal Parts 8−26............................................
d. Unloader Valve Replacement 8−26.....................................................
8.8 REFRIGERANT SYSTEM COMPONENT SERVICE 8−26......................................
8.8.1 Evaporator Coil 8−26...................................................................
8.8.2 Condenser Coil 8−27...................................................................
a. Cleaning 8−27.......................................................................
b. Condenser Coil Replacement 8−27.....................................................
8.8.3 Filter-Drier 8−28.......................................................................
a. Check Filter-Drier 8−28...............................................................
b. Replace Filter-Drier 8−28..............................................................
8.8.4 Replacing Receiver Sight Glass Or Fusible Plug 8−28.......................................
8.8.5 Compressor Suction Modulation Valve (CSMV) 8−28........................................
8.8.6 Electronic Expansion Valve 8−29.........................................................