Remove/install the air conditioning's low pressure switch (roof equipment)

AR83.50-T-5140BAS

Remove/install the air conditioning's low pressure switch (roof equipment)

06.06.2019

Model

613.455

with code HKB (Konvekta ACX 641 SAPTCO air conditioning without roof heater)

with code HO4 (Front air conditioning)

Model

613.455

with code HKE (Konvekta ACX 642 air conditioning with roof heater)

with code HO4 (Front air conditioning)

1

Connecting hose

2

Connector

S/LP

AC compressor magnetic clutch pressure switch

 

Remove/install

 Danger

Risk of explosion caused by welding or soldering work on closed air conditioning system. Risk of poisoning caused by inhaling overheated refrigerant vapors. Risk of injury to skin and eyes caused by contact with liquid refrigerant.

Never perform welding work on or near a closed air conditioning system. No smoking or open flames. Wear safety glasses and protective gloves. Work only in well ventilated areas. Carry out repair work on the air conditioning system circuit only after the system has been drained.

AS83.00-Z-0001-01A

Topical note

Procedure for a damaged or leaky air conditioning system

AH83.30-N-0004-01A

Topical note

Protect air conditioning circuit and components from moisture when carrying out repair work

AH83.30-N-0005-01A

Notes on handling refrigerant R134a

AH83.30-N-0003-01A

1

Drain air conditioning system

AR83.30-T-1780BAS

2

Release pipe clamp downstream of refrigerant compressor magnetic clutch pressure switch (S/LP)

3

Detach plug (2) from refrigerant compressor magnetic clutch pressure switch (S/LP)

4

Unscrew refrigerant compressor magnetic clutch pressure switch (S/LP) from connecting hose (1)



Compressor oils (specification 362.0)

BB00.40-P-0362-00A

 Installation: Use new sealing rings. Coat sealing rings with compressor oil before installation.

5

Install in the reverse order

6

Evacuate air conditioning system and perform leak test

AR83.30-T-1762BAS

7

Fill air conditioning system

AR83.30-T-1777BAS

8

Perform function test



Air conditioning system - function check

Model 613.455 with code HKG (Konvekta ACX 641 A/C with roof heater)

AP83.00-T-8352BAS



Air conditioning system - function check

Model 613.455 with Konvekta A/C 642 without roof heater, code HKE

AP83.00-T-8352BAD