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Torque guide values - group D Engine, X20DTH Engine with Petrol Engine and X 20 DTH Engine > < Altered time allowances, operation descriptions, valid as of 01.02.1998

Omega B

Technical Data – Group "D"

Refrigerant:

R 134a

Capacity:

950 g

Part/Catalogue No.:

90 443 833 / 19 40 447

 

Petrol engines

6 cylinder diesel engines

4 cylinder diesel engines

Compressor lubricant

 

 

 

Designation

Synthetic PAG fluid

Synthetic PAG fluid ND/8

Synthetic PAG fluid

Total filling quantity

approx. 250 ml

approx. 155 ml

approx. 295 ml

Part/Catalogue No.

90 510 419 / 19 49 874

90 509 933 / 19 49 873

90 510 419 / 19 49 874

O-ring lubricant

 

 

 

Designation

Mineral fluid

Mineral fluid

Mineral fluid

Part/Catalogue No.

90 001 810 / 19 49 870

90 001 810 / 19 49 870

90 001 810 / 19 49 870

Reference gap

0.38 – 0.64 mm

0.35 – 0.65 mm

0.38 – 0.64 mm

Pressure in low-pressure area:

190 – 210 kPa 1)

Pressure in high-pressure area:

1000 – 1800 kPa 1)  

 

ON

OFF

Switch pressures for triple switch

 

 

Low pressure safety switch

250 kPa

180 kPa

High pressure safety switch

2000 kPa

3000 kPa

Auxiliary fan switch

1900 kPa

1500 kPa

Motronic switch switch pressure 2)

 

 

Engine speed increase

1100 kPa

900 kPa

Switch temperatures

 

 

Coolant temperature switch (S 29)

100 °C

95 °C

Coolant temperature switch (S 128) contact 1

105 °C

100 °C

Coolant temperature switch (S 128) contact 2

115 °C

120 °C

1 ) At approx. 20 °C ambient temperature, engine speed approx. 1500 rpm, air conditioning switched on
2 ) only for vehicles with petrol engine
Related Literature Units
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Torque guide values - group D Engine, X20DTH Engine with Petrol Engine and X 20 DTH Engine > < Altered time allowances, operation descriptions, valid as of 01.02.1998