Lexus RX300 (MCU15). Service manual — part 94
AC1N0–01
I06855
Generator
Discharge Hose
Suction Hose
Engine Under Cover
Pressure Plate
Shim
z Snap Ring
Rotor
Stator
Compressor
Drive Belt Adjusting
Bar Bracket
Drive Belt
56 (570, 41)
18 (185, 13)
25 (250, 18)
25 (250, 18)
10 (100, 7)
13.2 (135, 9)
10 (100, 7)
z O–Ring
z O–Ring
25 (250, 18)
25 (250, 18)
Compressor
N·m (kgf·cm, ft·lbf) : Specified torque
z Non reusable part
AC–44
–
AIR CONDITIONING
COMPRESSOR AND MAGNETIC CLUTCH
LEXUS RX300 (RM785E)
COMPONENTS
AC1N1–01
I06851
P19978
N20259
–
AIR CONDITIONING
COMPRESSOR AND MAGNETIC CLUTCH
AC–45
LEXUS RX300 (RM785E)
REMOVAL
1.
RUN ENGINE AT IDLE SPEED WITH A/C ON FOR
APPROX. 10 MINUTES
2.
STOP ENGINE
3.
DISCONNECT NEGATIVE (–) TERMINAL CABLE
FROM BATTERY
4.
DISCHARGE REFRIGERANT FROM REFRIGERATION
SYSTEM
5.
REMOVE DRIVE BELT
(See page AC–16)
6.
DISCONNECT DISCHARGE AND SUCTION HOSES
Remove the bolt, nut and disconnect the both hoses.
NOTICE:
Cap the open fittings immediately to keep moisture or dirt
out of the system.
7.
REMOVE GENERATOR
(a)
Disconnect the generator connector.
(b)
Remove the nut, and disconnect the generator wire.
(c)
Disconnect the wire harness from the clamp.
(d)
Remove the pivot bolt, adjusting lock bolt and generator.
8.
REMOVE COMPRESSOR
(a)
Disconnect the connector.
(b)
Disconnect the wire harness clamp.
(c)
Remove the 2 bolts, nut and drive belt adjusting bar
bracket.
N20241
AC–46
–
AIR CONDITIONING
COMPRESSOR AND MAGNETIC CLUTCH
LEXUS RX300 (RM785E)
(d)
Remove the 3 bolts and compressor.
AC1N2–01
AC0943
SST
AC0944
SST
AC0945
SST
AC0946
Shim
Pressure
Plate
AC0947
SST
–
AIR CONDITIONING
COMPRESSOR AND MAGNETIC CLUTCH
AC–47
LEXUS RX300 (RM785E)
DISASSEMBLY
1.
REMOVE PRESSURE PLATE
(a)
Using SST and a socket wrench, remove the shaft bolt.
SST
07112–76060
Torque: 13.2 N·m (135 kgf·cm, 9 ft·lbf)
(b)
IInstall SST on the pressure plate.
SST
07112–66040
(c)
Using SST and socket wrench, remove the pressure
plate.
SST
07112–76060, 07112–66040
(d)
Remove the shims from the pressure plate.
2.
REMOVE ROTOR
(a)
Using SST, remove the snap ring.
SST
07114–84020
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