Lexus SC300 / Lexus SC400. Manual — part 39
(b) Using SST and torque wrench, install the shaft bolt.
SST 07112–76060
Torque: 14 N
⋅
m (140 kgf
⋅
cm, 10 ft
⋅
lbf)
4.
CHECK CLEARANCE MAGNETIC CLUTCH
Check the clearance between the pressure plate and rotor
using thickness gauge.
Standard clearance: 0.5
±
0.15 mm
(0.020
±
0.006 in.)
If the clearance is not within tolerance, change the number
of shims to obtain the standard clearance.
AC–116
–
AIR CONDITIONING SYSTEM
Compressor
INSTALLATION OF COMPRESSOR
1. INSTALL
COMPRESSOR
(a) Install the compressor with the bracket, nut and the
three bolts.
Specified torque:
Bolts 51 N
⋅
m (530 kgf
⋅
cm, 38 ft
⋅
lbf)
(b) Install the earth wire harness with the bolts.
(c) Install the wire harness to the clamp.
2.
INSTALL DRIVE BELT
See step 32 on page EM–177.
3.
CONNECT CONNECTOR TO MAGNETIC CLUTCH
4.
CONNECT DISCHARGE HOSE AND SUCTION HOSE TO
COMPRESSOR
NOTICE: Hoses should be connected immediately after
the caps have been removed.
Specified torque: 25 N
⋅
m (250 kgf
⋅
cm, 18 ft
⋅
lbf)
5. EVACUATE
AIR
IN
REFRIGERATION
SYSTEM
AND
CHARGE WITH REFRIGERANT
See page
.
Specified amount: 950
±
50 g (33.44
±
1.76 oz)
6.
INSPECT FOR LEAKAGE OF REFRIGERANT
Using a gas leak tester, check for leakage of refrigerant.
If there is leakage, check the tightening torque at the joints.
7.
INSPECT A/C OPERATION
–
AIR CONDITIONING SYSTEM
Compressor
AC–117
RECEIVER
ON–VEHICLE INSPECTION
1. REMOVE THE HEADLIGHT ON THE VEHICLE’S LEFT
SIDE
See page
2.
INSPECT FITTINGS FOR LEAKAGE
Using a gas leak tester, check for leakage.
If there is leakage, check the tightening torque at the joints.
3. INSTALL
HEADLIGHT
REMOVAL OF RECEIVER
1. REMOVE THE HEADLIGHT ON THE VEHICLE’S LEFT
SIDE
See page
2.
RECOVER REFRIGERANT IN REFRIGERATION SYSTEM
See page
3.
REMOVE TWO LIQUID TUBES FROM RECEIVER
Remove the two bolts and both the tubes from the receiver.
4.
REMOVE RECEIVER FROM RECEIVER HOLDER
Remove the bolt, then remove the receiver from the receiver
holder.
NOTICE: Cap the open fittings immediately to keep mois-
ture out of the system.
AC–118
–
AIR CONDITIONING SYSTEM
Receiver
INSTALLATION OF RECEIVER
1.
INSTALL RECEIVER IN RECEIVER HOLDER
Install the receiver in the receiver holder with the one bolt.
2.
INSTALL TWO LIQUID TUBES ON RECEIVER
Install the two liquid tubes on the receiver with the two bolts.
Specified torque: 5.4 N
⋅
m (55 kgf
⋅
cm, 4 ft
⋅
lbf)
NOTICE: Do not remove the caps until the tubes are con-
nected.
3. REPLENISH
COMPRESSOR
OIL
IF
RECEIVER
HAS
BEEN REPLACED
Add 20 cc (0.7 fl.oz.)
Compressor oil: ND OIL 6,
SUNISO NO. 5 GS or equivalent
4. EVACUATE
AIR
IN
REFRIGERATION
SYSTEM
AND
CHARGE WITH REFRIGERANT
See page
Specified amount: 950
±
50 g (33.44
±
1.76 oz)
5.
INSPECT FOR LEAKAGE OF REFRIGERANT
Using a gas leak tester, check for leakage of refrigerant.
If there is leakage, check the tightening torque at the joints.
6.
INSPECT A/C OPERATION
7. INSTALL
HEADLIGHT
–
AIR CONDITIONING SYSTEM
Receiver
AC–119
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