ES3^^
Air Conditioning Repair Procedures
Valve Plate Renewal
Figure
2.
12.
Position the cylinder head (Fig. 2-1) on the cylinder
block (Fig. 2-2), fit and tighten the securing bolts in
the sequence shown in Fig. 3.
8.1.04.1 Valve Plate Renewal
Data
Torque Figures
Cylinder head bolts 29.83 - 33.9 Nm
Procedure
1.
Open the bonnet and fit a wing cover.
2.
Depressurise the air conditioning system.
3. Remove the compressor.
4.
Position the compressor in a vice, tighten the vice
onto the compressor body lugs.
5. Remove the outlet port blanking plate securing bolt
and detach the plate.
6. Remove the 'O' ring seals from the compressor
outlet port.
figure 3.
13.
Fit new 'O' ring seals in the compressor outlet port,
position the outlet port blanking plate and fit and
tighten the securing bolt.
14.
Check and top up compressor oil
15.
Refit the compressor.
16.
Recharge the air conditioning system.
Figure 1.
7. Removethecylinder head securing boltsand detach
the cylinder head (Fig. 1-1) from the cylinder block.
8. Remove valve plate
(Fig.
1
-2) from the compressor.
9. Remove all traces of gasket material from the
mati
ng
surfaces of the cy
I
i nder
head
and compressor.
10.
Apply clean refrigerant oil to the gaskets and then
position them on the valve plate.
May 1996 8-53
Air Conditioning Repair Procedures
Expansion Valve Renewal
ES^'^?
Figure 2.
11.
Position valve plate and gaskets (Fig. 2-1 and 2) on
the compressor and fit the cylinder head.
12.
Tighten the cylinder head securing bolts in the
order shown in Fig. 3.
Figure 3.
13.
Fit new 'O' rings to the outlet port blanking plate,
position the plate on the compressor and fit and
tighten the securing bolt.
14.
Check compressor oil and top up in necessary.
14.
Refit the compressor.
15.
Remove the wing mat and close the bonnet.
8.1.05.1 Expansion Valve Renewal
1.
Depressurise the air conditioning system.
2.
Undo the pipe to expansion valve clamp bolt and
retaining plate and disconnect the pipes (Fig. 1)
Figure 1.
3. Fit blanking plugs to the expansion valve and to the
pipes.
4.
Reposition the pipes to one side.
5. Unscrew the two torx head retaining screws and
remove the expansion valve from the air
conditioning unit (Fig.
1
-1).
6. Remove and discard the 'O' rings.
7. Fitting a new valve is the reversal of the removal
procedure.
8. Ensure new 'O' rings to all union connections are
fitted.
9. Evacuate the system.
10.
Recharge the system.
8-54 May 1996
