Mitsubishi Grandis. Manual - part 334

 

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Mitsubishi Grandis. Manual - part 334

 

 

COMPRESSOR ASSEMBLY

HEATER, AIR CONDITIONER AND VENTILATION

55-221

REASSEMBLY SERVICE POINTS
>>A<< A/C COMPRESSOR COIL 
INSTALLATION

Install the A/C compressor coil while aligning the pin 
hole of A/C compressor itself with the protrusion of 
A/C compressor coil

>>B<< SNAP RING INSTALLATION

Use the snap ring plier and Install the snap ring so 
that the taper faces the outside.

>>C<< SELF-LOCKING NUT 
INSTALLATION

Use the special tool as during removal to secure the 
armature and tighten the self-locking nut.

>>D<< AIR GAP ADJUSTMENT

Check that the air gap of clutch satisfies the standard 
value. If not within the standard value, use shims to 
adjust it.

Standard value: 0.3 

 0.5 mm

INSPECTION

M1552004700087

REFRIGERANT TEMPERATURE SWITCH

CAUTION

Do not heat than necessary.

1. Immerse the refrigerant temperature sensor probe 

into engine oil to heat the sensor probe.

2. If the oil temperature reaches the standard value, 

there should be continuity between the switch 
terminals.

NOTE: When the oil temperature is 155

°

C or 

more and there is no continuity, the resistance will 
not be 2

 or lower until the oil temperature 

reduces to 125 

°

C or less.

AC102060AB

Field core projection

Compressor
unit pin hole

AC209126AB

Snap ring

Rotor

Clutch coil

Tapered part

AC103405AB

Thickness
gauge

Switch status

Operating 
temperature 

°C

Being turned off (No 
continuity)

155

Being turned on (2

Ω or less) 125

AC102063 AB

Thermometer

Engine oil

AC311465

125˚C

155˚C

Continuity

No 
continuity

AB

Oil temperature

CONDENSER ASSEMBLY

HEATER, AIR CONDITIONER AND VENTILATION

55-222

CONDENSER ASSEMBLY

REMOVAL AND INSTALLATION

M1552015400079

Pre-removal and Post-installation Operation
• Refrigerant draining and Refilling (Refer to Charging 

P.55-191

 and Discharging 

P.55-190

.)

• Battery and Battery tray

• Air cleaner intake duct (Refer to GROUP 15, Air Cleaner 

P.15-3

.)

AC312941

8

6

7

1

4

5

2

3

AB

5.4 ± 1 N·m

5.4 ± 1 N·m

1, 2

3

A/C compressor oil:
  SUN PAG 56

-Pipe coupling

CONDENSER ASSEMBLY

HEATER, AIR CONDITIONER AND VENTILATION

55-223

NOTE: Condenser fan removal and installation 
(Refer to GROUP 14 

 Radiator 

P.14-25

).

REMOVAL SEVICE POINTS
<<A>> FLEXIBLE SUCTION HOSE AND 
LIQUID PIPE A REMOVAL

CAUTION

Use the plug which is not breathable because 
A/C compressor oil or receiver have high 
hygroscopicity.
Plug the removed nipple of the pipe, hose and 
condenser to prevent the entry of dust and dirt.

<<B>> CONDENSER ASSEMBLY 
REMOVAL

Remove the condenser while pushing the radiator 
towards the direction shown to make room.

INSPECTION

M1552014301436

CONDENSER FAN MOTOR CHECK

Removal steps

1.

Front bumper clip

2.

Front end upper bar

3.

Air guide panel RH

<<A>>

4.

Flexible discharge hose connection

<<A>>

5.

Liquid pipe A connection

<<B>>

6.

Condenser

Front bumper (Refer to GROUP 51, 
Front Bumper Assembly 

P.51-3

.)

7.

Air guide panel LH

8.

Air guide panel centre

Battery 
connectio
n (+) 
terminal

Battery 
connectio
n (-) 
terminal

Motor operation

1

2

Rotate

AC303125

Radiator

AB

AC303212

REFRIGERANT LINE

HEATER, AIR CONDITIONER AND VENTILATION

55-224

REFRIGERANT LINE

REMOVAL AND INSTALLATION <L.H.D. 
FRONT SIDE>

M1552006400543

Pre-removal and Post-installation Operation
• Refrigerant Draining and Refilling (Refer to Charging and 

Discharging 

P.55-191

).

AC310133

1, 2, 3, 4, 
5, 7, 8

3, 6, 9

A/C compressor oil:SUN PAG 56

O ring

O ring

Pipe connection

1

2

3

4

5

6

7

8

9

10

11

12

N

N

12

12

N

N

12

12

N

N

12

9.8 ± 2 N·m

9.8 ± 2 N·m

32 ± 2 N·m

32 ± 2 N·m

13.7 ± 1 N·m

24 ± 4 N·m

5.4 ± 1 N·m

24 ± 4 N·m

5.4 ± 1 N·m

High-pressure 
side service valve

Low-pressure 
side service valve

AB

Removal steps

<<A>>

1.

A/C pressure sensor

<<A>>

2.

Flexible discharge hose

<<A>>

3.

Liquid pipe A

<<A>>

4.

Flexible suction hose

<<A>>

5.

Suction pipe A <Without vehicles 
with rear cooler or dual automatic 
A/C>

<<A>>

6.

Connection with suction pipe B 
<Vehicles with rear cooler or dual 
automatic A/C>

<<A>>

7.

Suction pipe A <Vehicles with rear 
cooler or dual automatic A/C>

<<A>>

8.

Liquid pipe B <Without vehicles 
with rear cooler or dual automatic 
A/C>

Removal steps (Continued)

 

 

 

 

 

 

 

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