Lexus RX300 (MCU15). Service manual — part 87

AC0S1–02

P19938

Pivot Bolt

Adjusting
Lock Bolt

Adjusting Bolt

AC–16

–

AIR CONDITIONING

DRIVE BELT

LEXUS RX300 (RM785E)

REMOVAL

REMOVE DRIVE BELT
(a)

Loosen the pivot bolt and adjusting lock bolt.
Torque:
Pivot bolt: 56 N·m (570 kgf·cm, 41 ft·lbf)
Adjusting lock bolt: 18 N·m (185 kgf·cm, 13 ft·lbf)

(b)

Loosen the belt tension by adjusting bolt and remove the
drive belt.

AC0S2–02

–

AIR CONDITIONING

DRIVE BELT

AC–17

LEXUS RX300 (RM785E)

INSTALLATION

Installation is in the reverse order of removal (See page AC–16).
AFTER INSTALLATION, CHECK DRIVE BELT’S INSTALLATION CONDITION

I07909

High Pressure
Charging Hose

Low Pressure
Charging Hose

AC0S3–03

N04392

Sleeve

AC–18

–

AIR CONDITIONING

MANIFOLD GAUGE SET

LEXUS RX300 (RM785E)

MANIFOLD GAUGE SET

SET ON

1.

CONNECT CHARGING HOSES TO MANIFOLD
GAUGE SET

Tighten the nuts by hand.
CAUTION:
Do not connect the wrong hoses.
2.

CONNECT QUICK DISCONNECT ADAPTERS TO
CHARGING HOSES

Tighten the nuts by hand.
3.

CLOSE BOTH HAND VALVES OF MANIFOLD GAUGE
SET

4.

REMOVE CAPS FROM SERVICE VALVES ON RE-
FRIGERANT LINE

5.

CONNECT QUICK DISCONNECT ADAPTERS TO SER-
VICE VALVES

HINT:
Push the quick disconnect adapter onto the service valve, then
slide the sleeve of the quick disconnect adapter downward to
lock it.

AC0S4–03

N06553

–

AIR CONDITIONING

MANIFOLD GAUGE SET

AC–19

LEXUS RX300 (RM785E)

SET OFF

1.

CLOSE BOTH HAND VALVES OF MANIFOLD GAUGE
SET

2.

DISCONNECT QUICK DISCONNECT ADAPTERS
FROM SERVICE VALVES ON REFRIGERANT LINE

HINT:
Slide the sleeve of the quick disconnect adapter upward to un-
lock the adapter and remove it from the service valve.
3.

INSTALL CAPS TO SERVICE VALVES ON REFRIGER-
ANT LINE