Lexus ES300 (1997 year). Service manual — part 39

AC0951

Stator

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

AC–39

1596

1997 LEXUS ES300 (RM511U)

(c)

Remove the stator.

AC0A3–03

N04963

Dial Indicator

AC–40

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

1597

1997 LEXUS ES300 (RM511U)

REASSEMBLY

Reassembly is in the reverse order of disassembly (See
page

AC–37

).

CHECK CLEARANCE OF MAGNETIC CLUTCH
HINT:
After reassembly, check the magnetic clutch clearance.
(a)

Set the dial indicator to the pressure plate of the magnetic
clutch.

(b)

Connect the magnetic clutch lead wire to the positive (+)
terminal of the battery.

(c)

Check the clearance between the pressure plate and ro-
tor when connecting the negative (–) terminal battery.
Standard clearance:
0.5

±

0.15 mm (0.020

±

0.0059 in.)

If the clearance is not within the standard clearance, adjust the
clearance using shims to obtain the standard clearance.

Shim thickness:
0.1 mm (0.004 in.)
0.3 mm (0.012 in.)
0.5 mm (0.020in.)

AC0A4–03

N20259

(B)

(A)

–

AIR CONDITIONING

COMPRESSOR AND MAGNETIC CLUTCH

AC–41

1598

1997 LEXUS ES300 (RM511U)

INSTALLATION

1.

INSTALL COMPRESSOR

(a)

Install the compressor with 3 bolts.
Torque: 25 N·m (250 kgf·cm, 18 ft·lbf)

(b)

Install the generator drive belt adjusting bar bracket with
2 bolts and a nut.
Torque:
Bolt (A): 18 N·m (185 kgf·cm, 13 ft·lbf)
Bolt (B): 25 N·m (250 kgf·cm, 18 ft·lbf)
Nut: 25 N·m (250 kgf·cm, 18 ft·lbf)

2.

INSTALL GENERATOR

(a)

Mount generator on the generator bracket with the pivot
bolt and adjusting lock bolt. Do not tighten the bolts yet.

(b)

Connect the generator connector.

(c)

Connect the generator wire with the nut.

3.

CONNECT DISCHARGE HOSE
Torque:10 N·m (100 kgf·cm, 7 ft·lbf)

NOTICE:
Hoses should be connected immediately after the caps
have been removed.
HINT:
Lubricate a new O–ring with compressor oil and install the tube.
4.

INSTALL SUCTION HOSE

(a)

Install the suction hose and tighten the bolt and nut.
Torque:
Piping joint: 32 N·m (330 kgf·cm, 24 ft·lbf)
Block joint: 10 N·m (100 kgf·cm, 7 ft·lbf)

HINT:
Lubricate 2 new O–rings with the compressor oil and install the
hose.
(b)

Install the suction hose clamping bolt.

(c)

Connect the wire harness clamp.

5.

INSTALL DRIVE BELT
(See page

AC–16

)

6.

INSPECT DRIVE BELT
(See page

AC–14

)

7.

CONNECT NEGATIVE (–) TERMINAL CABLE TO BAT-
TERY

8.

EVACUATE AIR IN REFRIGERATION SYSTEM AND
CHARGE WITH REFRIGERANT
Specified amount: 800

±

50 g (28.22

±

1.76 oz.)

9.

INSPECT FOR LEAKAGE OF REFRIGERANT

Using a gas leak detector, check for leakage of refrigerant.
If there is leakage, check the tightening torque at the joints.
10.

INSPECT A/C OPERATION

AC0A7–01

AC–42

–

AIR CONDITIONING

RECEIVER

1599

1997 LEXUS ES300 (RM511U)

RECEIVER

ON–VEHICLE INSPECTION

INSPECT FITTINGS FOR LEAKAGE
Using a gas leak detector, check for leakage.
If there is leakage, check the tightening torque at the joints.