Jeep Cherokee 2000 Service Manual - page 1909
HEATING AND AIR CONDITIONING
TABLE OF CONTENTS
page
page
DESCRIPTION AND OPERATION
SERVICE WARNINGS AND PRECAUTIONS . . . . . 1
COMPRESSOR - 2.5L VM DIESEL . . . . . . . . . . . . 3
COMPRESSOR CLUTCH - 2.5L VM DIESEL . . . . 3
REMOVAL AND INSTALLATION
SUCTION AND DISCHARGE LINE . . . . . . . . . . . . 4
COMPRESSOR - 2.5L VM DIESEL . . . . . . . . . . . . 6
COMPRESSOR CLUTCH - 2.5L VM DIESEL . . . . 8
DESCRIPTION AND OPERATION
SERVICE WARNINGS AND PRECAUTIONS
WARNING:
•
THE AIR CONDITIONING SYSTEM CONTAINS
REFRIGERANT UNDER HIGH PRESSURE. SEVERE
PERSONAL INJURY MAY RESULT FROM IMPROPER
SERVICE PROCEDURES. REPAIRS SHOULD ONLY
BE PERFORMED BY QUALIFIED SERVICE PERSON-
NEL.
•
AVOID BREATHING THE REFRIGERANT AND
REFRIGERANT OIL VAPOR OR MIST. EXPOSURE
MAY IRRITATE THE EYES, NOSE, AND/OR THROAT.
WEAR EYE PROTECTION WHEN SERVICING THE
AIR CONDITIONING REFRIGERANT SYSTEM. SERI-
OUS EYE INJURY CAN RESULT FROM DIRECT
CONTACT WITH THE REFRIGERANT. IF EYE CON-
TACT OCCURS, SEEK MEDICAL ATTENTION IMME-
DIATELY.
•
DO
NOT
EXPOSE
THE
REFRIGERANT
TO
OPEN
FLAME.
POISONOUS
GAS
IS
CREATED
WHEN
REFRIGERANT
IS
BURNED.
AN
ELEC-
TRONIC LEAK DETECTOR IS RECOMMENDED.
•
IF
ACCIDENTAL
SYSTEM
DISCHARGE
OCCURS, VENTILATE THE WORK AREA BEFORE
RESUMING
SERVICE.
LARGE
AMOUNTS
OF
REFRIGERANT RELEASED IN A CLOSED WORK
AREA WILL DISPLACE THE OXYGEN AND CAUSE
SUFFOCATION.
•
THE EVAPORATION RATE OF R-134a REFRIG-
ERANT AT AVERAGE TEMPERATURE AND ALTI-
TUDE
IS
EXTREMELY
HIGH.
AS
A
RESULT,
ANYTHING THAT COMES IN CONTACT WITH THE
REFRIGERANT WILL FREEZE. ALWAYS PROTECT
THE SKIN OR DELICATE OBJECTS FROM DIRECT
CONTACT WITH THE REFRIGERANT.
•
THE R-134a SERVICE EQUIPMENT OR THE
VEHICLE REFRIGERANT SYSTEM SHOULD NOT BE
PRESSURE TESTED OR LEAK TESTED WITH COM-
PRESSED AIR. SOME MIXTURES OF AIR AND
R-134a HAVE BEEN SHOWN TO BE COMBUSTIBLE
AT ELEVATED PRESSURES. THESE MIXTURES ARE
POTENTIALLY DANGEROUS, AND MAY RESULT IN
FIRE OR EXPLOSION CAUSING INJURY OR PROP-
ERTY DAMAGE.
XJ
HEATING AND AIR CONDITIONING
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