1995 Land Rover Range Rover Classic Workshop Manual

AIR CONDITIONING
FAULT
CAUSE
REMEDY
1.
Overcharge of refrigerant.
1.   Discharge, evacuate and charge
system.
A.
HIGH HEAD
PRESSURE
2.   Air in system.
2.   Discharge system, fit new drier,
evacuate and charge system.
3.   Clean condenser of debris.
3.
Condenser air passage clogged
with dirt or other foreign matter.
Condenser fan motor defective.
Incorrect voltage to fan motor.
4.
5.
4.   Replace motor.
5.   Check voltage.
1.
Undercharge of refrigerant;
evident by bubbles in sight
glass while system is operating
1.   Evacuate and charge system.
Check for leakage.
B.
LOW HEAD
PRESSURE
2.   Split compressor gasket or
leaking valves.
2.   Replace gasket and/or reed
valve. Fit new drier, evacuate and
charge system.
3.
Defective compressor.
3.   Repair or replace compressor.
1.
2.
Loose drive belt
1.   Check belt tension.
Refrigerant flooding through
evaporator into suction line; evident
by ice on suction line and suction
service valve.
2.   Check thermobulb. Bulb should be
securely clamped to clean horizontal
section of copper suction pipe.
C.
HIGH
SUCTION
PRESSURE
3.   Expansion valve stuck open.
4.   Leaking compressor valves,
valve gaskets and/or service
valves.
3.   Replace expansion valve.
4.   Replace valves and/or
gaskets. Fit new drier
evacuate and charge system.
5.   Fit new drier, evacuate
and charge system.
5.
1.
2.
Receiver/drier blocked; evident
by temperature difference
between input and output lines.
Expansion valve thermobulb not
operating.
1.   Warm thermobulb with hand.
Suction should rise rapidly to 1.4 bar
20
lb/in  or more. If not replace
2
expansion valve.
2.   Check inlet side screen.
Clean if clogged. Refer
to C-2 and C-3.
Expansion valve sticking closed.
D.
LOW
SUCTION
3.   Moisture freezing in expansion valve
orifice. Valve outlet tube will frost
while inlet hose tube will have little or
no frost. System operates
3.   Fit new drier, evacuate and charge
system.
periodically.
4.
5.
Dust, paper scraps, or other debris
restricting evaporator blower grille
Defective evaporator blower motor,
wiring, or blower switch.
4.   Clean grilles as required.
5.   Refer to Fault Diagnosis Chart for
blower motor.
FAULT DIAGNOSIS
3
Product Specification
CategoriesLand Rover, Range Rover
Tags
Model Year1995
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- 767 pages
Document TypeOwners Manual
LanguageEnglish
Product NameRange Rover Classic
Product BrandLand Rover
Document File TypePDF
Publisherlandrover.com
Wikipedia's Pagehttp://en.wikipedia.org/wiki/Land_Rover
CopyrightAttribution Non-commercial
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