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Removing and installing Sanden SD7 B10 air conditioning system magnetic coupling N25 > < Checking and adjusting clearance

Polo Mk3

Repairing Sanden SD7 B10 air conditioning system magnetic couplingN25 with compressor removed
Repairing Sanden SD7 B10 air conditioning system magnetic coupling -N25- with compressor removed
Special tools and workshop equipment required
   
t  Retainer and puller -V.A.G 1616+1616/1-
  W00-0955
t  Pin wrench -3212-
  W00-0462
t  Universal dial gauge bracket -VW 387-
  W00-0037
t  Air conditioning service station -VAS 6007A-
Not illustrated:
t  Commercially available two-arm puller e.g. Kukko 20-10 mm with 100 mm long hooks.
t  Dial gauge, commercially available
  W00-10176
Removing
–  Extract refrigerant, e.g. with air conditioning service station -VAS 6007A-.
  Note
Releasing refrigerant into the environment is a punishable offence.
  WARNING
Danger of freezing injuries.
If refrigerant circuit has not been evacuated, refrigerant may escape.
Extract refrigerant before opening refrigerant circuit.
–  Unbolt air conditioner compressor from bracket → Chapter.
1 - Hexagon nut
q   Self-locking.
q   Renew.
q   20 Nm.
q   Removing → Chapter.
2 - Coupling disc
q   Pulling off → Chapter.
q   Checking clearance → Chapter.
3 - Circlip
q   Renew.
q   Install correctly: flat side faces air conditioner compressor.
q   Ensure that it is seated correctly in groove.
4 - Poly V-belt pulley
q   Pulling off → Chapter.
5 - Circlip
q   Renew.
q   Install correctly: flat side faces air conditioner compressor.
q   Ensure that it is seated correctly in groove.
6 - Solenoid
q   Locking with dowel pin.
  Note
An overheating fuse is installed in the solenoid. The overheating fuse interrupts the solenoid as soon as the magnetic coupling overheats (for example due to a stiff or tight compressor).
7 - Dowel pin
8 - Air conditioner compressor

   

Removing and installing Sanden SD7 B10 air conditioning system magnetic coupling N25 > < Checking and adjusting clearance