Discovery 2. Manual — part 298
AIR CONDITIONING
REPAIRS
82-31
Fan - condenser
$% 82.15.01
Remove
1. Remove front grille.
2. Remove 2 bolts securing bonnet platform RH
support stay.
3. Remove support stay.
4. Disconnect multiplug from condenser cooling
fan motor.
5. Remove 4 screws securing cooling fan cowl to
mounting bracket.
6. Remove cooling fan assembly and collect
spacing washers.
Refit
1. Fit condenser fan.
2. Fit spacing washers between fan cowl and
mounting bracket and secure with screws.
3. Connect multiplug to motor.
4. Fit bonnet platform support stay and secure
with bolts.
5. Fit front grille.
Condenser
$% 82.15.07
Remove
1. Recover refrigerant from A/C system.
RECOVERY, RECYCLING AND
RECHARGING, Refrigerant recovery,
recycling and recharging.
2. Remove radiator.
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3. Disconnect multiplug from dual pressure
switch.
4. Remove bolt securing evaporator pipe to
condenser.
5. Disconnect evaporator pipe from condenser
and discard 'O' ring.
6. Remove bolt securing evaporator pipe to
receiver drier.
7. Disconnect evaporator pipe from receiver drier
and discard 'O' ring.
CAUTION: Always fit plugs to open
connections to prevent contamination.
AIR CONDITIONING
82-32
REPAIRS
8. Remove 3 remaining bolts securing cooling fan
support rails to condenser.
9. Remove condenser.
10. Remove bolt securing adaptor block to receiver
drier.
11. Remove adaptor block from receiver drier and
discard 'O' ring.
CAUTION: Always fit plugs to open
connections to prevent contamination.
12. Remove bolt securing condenser pipe to
receiver drier.
13. Remove clamp bolt receiver drier to bracket
and remove drier from bracket.
14. Remove and discard 'O' ring from condenser
pipe.
CAUTION: Always fit plugs to open
connections to prevent contamination.
15. Remove 2 remaining bolts securing receiver
drier brackets and condenser LH mounting
bracket to condenser.
16. Remove mounting bracket assembly.
17. Remove remaining bolt securing condenser RH
mounting and remove mounting.
18. Remove sealing strip from outer upper seam of
condenser.
19. Remove captive nut plates from condenser.
AIR CONDITIONING
REPAIRS
82-33
Refit
1. Fit captive nut plates to new condenser.
2. Fit seal to condenser.
3. Fit RH mounting bracket to condenser and
secure with bolt.
4. Fit receiver drier bracket assembly and secure
with bolts.
5. Ensure condenser pipe and new receiver drier
connections are clean.
6. Lubricate new 'O' ring with refrigerant oil and fit
to condenser pipe.
7. Fit receiver drier to bracket and condenser
pipe. Tighten bolt securing condenser pipe to 5
Nm (3.7 lbf.ft). Fit clamping bolt securing
receiver drier to bracket and tighten to 5 Nm
(3.7 lbf.ft).
8. Ensure adaptor block and receiver drier
connections are clean.
9. Lubricate new 'O' ring with refrigerant oil and fit
to adaptor block.
10. Fit adaptor block to receiver drier and tighten
bolt to 5 Nm. (3.7 lbf.ft).
11. Fit condenser assembly.
12. Fit cooling fan to condenser and fit bolts to
secure support rails to condenser brackets.
13. Ensure connections of condenser, receiver
drier and evaporator pipes are clean.
14. Lubricate new 'O' ring seals with refrigerant oil
and fit one seal to each evaporator pipe.
15. Connect evaporator pipes and tighten bolts to 5
Nm (3.7 lbf.ft).
16. Connect multiplug to dual pressure switch.
17. Fit radiator.
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18. Recharge A/C system.
RECOVERY, RECYCLING AND
RECHARGING, Refrigerant recovery,
recycling and recharging.
Receiver drier and dual pressure switch
$% 82.17.03
Remove
1. Recover refrigerant from air conditioning
RECOVERY, RECYCLING AND
RECHARGING, Refrigerant recovery,
recycling and recharging.
2. Remove front grille.
3. Disconnect multiplug from dual pressure
switch.
4. Remove bolt securing condenser pipe to
receiver drier.
5. Disconnect condenser pipe from receiver drier.
CAUTION: Always fit plugs to open
connections to prevent contamination.
AIR CONDITIONING
82-34
REPAIRS
6. Remove bolt securing evaporator pipe to
receiver drier.
7. Disconnect evaporator pipe from receiver
drier.
CAUTION: Always fit plugs to open
connections to prevent contamination.
8. Remove bolt securing top of receiver drier
mounting bracket to condenser.
9. Remove bolt securing bottom of receiver drier
mounting bracket to condenser.
10. Remove receiver drier assembly.
11. Loosen mounting bracket clamping bolt.
12. Remove receiver drier from mounting bracket.
13. Remove dual pressure switch from receiver
drier
Refit
1. Fit dual pressure switch to receiver drier and
tighten to 10 Nm (7 lbf.ft).
2. Fit receiver drier to mounting bracket and
tighten clamping bolt.
3. Fit receiver drier assembly to condenser.
4. Fit bolts securing receiver drier mounting
bracket to condenser and tighten to 5 Nm (3.7
lbf.ft).
5. Remove caps from air conditioning pipes and
receiver drier.
6. Remove old 'O' rings from pipes.
7. Fit new 'O' rings to pipes and lubricate with
refrigerant oil.
8. Connect air conditioning pipes to receiver
drier.
9. Fit bolts securing air conditioning pipes to
receiver drier and tighten to 5 Nm (3.7 lbf.ft).
10. Connect multiplug to dual pressure switch.
11. Fit front grille.
12. Recharge air conditioning system.
RECOVERY, RECYCLING AND
RECHARGING, Refrigerant recovery,
recycling and recharging.
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