Land Rover Defender 90 110 Workshop 1984 Rover Manual

AIR CONDITIONING- L.H. & R.H. STEERING 1821 
COMPRESSOR Petrol model 
Removal , .I /:. . ./. m 
1. Place  the vehiclc  in a  ventilated  area away  from 
open  flames  and heat sources. 
2.  Stop  the engine  and  secure the bonnet  in an  open 
position. 
3.  Remove  the  caps from  the  compressor  service 
valves  and connect  the gauge  set for  evacuating. 
4. Evacuate  the system  as previously  described. 
5. Open fully (turn  anti-clockwise)  the compressor 
service  valves and disconnect  the...

El AIR CONDITIONING - L.H. & R.H. STEERING 
Refitting 
Drive  belt adjustment 
Diesel  only 
16. Ensure  all adjustment  bolts  associated  with the 
compressor  are slack. 
17. Alter  the position of the  compressor  to provide  a 
belt  tension  of 4
-6 mm (0.19-0.25  in). Secure all 
compressor  adjustment bolts  and recheck the 
tension. 
4-cylinder  Petrol only 
18. Ensure  all adjustment  bolts associated  with the 
compressor 
(1) and  the lower  pulley  pivot fixing  (2) 
are  slack. 
19. Adjust...

AIR CONDITIONING- L.H. & R.H. STEERING 1821 
CONDENSER AND RECEIVER/DRIER 
Removal 
1. Place the vehicle in a well  ventilated  arca. 
2. Stop the engine,  open and secure the  bonnet. 
3. Remove the caps  from  the compressor  service 
valves.  Connect  the  gauge  set 
for evacuation,  and 
evacuate  as detailed  earlier. 
4. Having  evacuated  the air conditioning  system, 
open  fully (turn  anti
-clockwise)  the  compressor 
service  valves and disconnect  the gauge  set. 
Replace 
all caps  to...

1821 AIR CONDITIONING - L.H. & R.H. STEERING 
EVAPORATOR - LH steering models 
NOTE: It is only  necessary  to evacuate  the air 
conditioning  system  when  removing  the  evaporator 
matrix  or 
to change the  expansion valve. 
Removal 
5 1. Place  the vehicle in a  ventilated  area away  from 
2.  Stop  the  engine  and  secure  the  bonnet  in an  open 
open 
flames  and heat  sources. 
position. 
Refitting 
18. Reverse  procedures  17 to 15 using a new  receiver/ 
drier  unit. 
19. Connect  the high...

AIR CONDITIONING - L.H. STEERING 
:.- 10. Whilst supporting  both  unions with suitable 
spanners  unscrew the high  and low pressure  air 
conditioning pipes 
to the evaporator.  Cap the pipe 
ends  and evaporator  inlets to prevent  dirt  or 
moisture  entering the  system. 
18. Remove the  screw,  releasing the relay connector 
block. 
19. All wiring on the  top  of the  evaporator  is now 
disconnected with the exception of the earth lead, 
this 
is disconnected when  the evaporator mounting 
block...

IF1 AIR CONDITIONING - L.H. STEERING 
ST1416M 
e42 
45 
22  

.::.::!,,, .. 25. Lift the evaporator  clear of the  vehicle  and place ,,).... ;.*. on a bench with a suitable support  underneath the 
case  to ensure  the heater  pipes are 
not damaged. 
26.  Release  the  nuts  and remove  the  bracket  from 
underneath the evaporator  casing. 
27. Remove  the wire  clip and detach the dump  valve 
located  underneath. 
28. Release  the  seven self tapping  screws securing  the 
outlet  duct and carefully  break  the sealing 
compound  around  the edge 
of the duct...

I82 I AIR CONDITIONING - R.H. STEERING 
EVAPORATOR BLOWER MOTOR - RH Steering 
models 
Rem 
o v  a 1 
1. Open  and secure  the bonnet. 
2. Release  the  plastic tie  retaining  the  carburetter 
breather  pipe 
to the right hand  air intake elbow. 
3. Remove  the  pulsair pipe connected  to the  air 
intake  elbow. 
4. Remove  the right  hand air intake  elbow. 
5. Disconnect the clip  and  blower  motor wiring. 
6. Release  the blower  motor cover fixings  and 
separate  the casing  slightly  to allow...

AIR CONDITIONING - R.H. STEERING 
r- L%+ Evaporator matrix and expansion valve  only 
14. Evacuate  the air conditioning  system as previously 
described. 
15. Open  (turn anti-clockwise) the compressor  service 
valves  and  disconnect  the gauge  set. Cap 
all pipes 
and  gauge connections  to prevent  dirt  or moisture 
entering  the system. 
16.  Remove  the  insulating  cover 
on the low  pressure 
pipe. 
17. Whilst  supporting  both unions  with suitable 
spanners,  unscrew the low  pressure  air...

I82 I AIR CONDITIONING - R.H. STEERING 
Evaporator matrix and Expansion  valve only 
42. Release  the screws  attached  to the  blower  motor 
retaining plate  and remove  the plate. 
43.  Remove  the blower  motor inner housing. 
44.  Remove the  bleed
-pipe retaining nut from the low 
pressure  pipe. 
45.  Remove  the  spring clip retaining  the expansion 
valve  sensor  pipe  to  the  low pressure  pipe  and 
remove  the expansion  valve and high  pressure 
pipe. 
46.  Unscrew  the high  pressure pipe...