Lotus TURBO ESPRIT Service Manual page 590

Page
15
PB .9
-
COMPRESSOR
The compressor
i s
factory charged with
6
-
+
0.5
fluid ounces
(1
75
+
15cc)
of refrigerant o i l
-
with a viscosity of
500.
Only oils listed under RECOMMENDED REFRIGERANT OIL should
be used when adding or changing the oil.
To Remove
1
.
Depressurise the air conditioning system by slackening the union nut securing the
pipe to the receiver-drier. Take the necessary precautions described under the
heading 'Refrigerant Pipework'.
2.
Remove the pipe connections to the compressor, taking the necessary precautions
described under the heading ' ~ e f r i ~ e r c l n t Pipework'.
3.
Loosen and remove the compressor drive belt and disconnect the electrical
connections to the compressor clutch.
4.
Remove the two nuts and bolts securing t h e compressor to the mounting bracket.
Drain the o i l from the compressor and measure the amount drained. Make a note
of the amount of o i l dmined as this information is required when replacing the
compressor.
To Replace
1
.
Reverse the removal procedure. Refill the compressor with the same amount of
new o i l as that drained during removal, plus an additional one fluid ounce.
Before assembling the p i p w o r k lubricate the flared ends and union threads with
refrigerant o i l
.
2,
Recharge the system as previously described.
3 . The compressor drive belt should be correctly tersioned to give a total movement
of
9
m m
(0.35
its)
on the longest run of belt.
Fitting a New Compressor
The following procedure is to be wed when replacing a compressor containing
uncontaminated o i l with a new compressor, when there i s no
evidence o f o i l
having escaped from the system.
1
.
Drain the o i l from the new compressor.
2.
Drain and measure the o i l from the o l d compressor.