Opel 1900 1973, Service Manual

Page: 562 / 625

REFRIGERANT COMPONENTS ALL MODELS
53
Remove two (2) upper evaporator attaching nuts.
See Figures and
8. Remove two (2) attaching case mounting bracket
to instrument panel screws. See Figure
Figure Evaporator and Blower Assembly
Brackets and Attachments Opel 1900 Manta
Figure Evaporator and Blower Assembly
C e n t e r S u p p o r t B r a c k e t - O p e l 1 9 0 0 M a n t a
CASE ATTACHING
FINGER GUARD
Figure Assembly Removed Opel 1900
M a n t a
9. From underneath evaporator case, disconnect
two (2) drain hoses.
Carefully remove assembly from car. See Figure
69.
11. Disconnect resistor electrical connector and
remove resistor assembly. See Figure
12. Remove blower case and blower motor attaching
screws and remove assembly. See Figure
13. Remove all remaining attaching screws and
remove evaporator assembly. See Figure
Figure Evaporator and Expansion Valve
A s s e m b l y O p e l 1 9 0 0 M a n t a
14. Disconnect expansion valve capillary tube bulb
attached to the outlet pipe of the evaporator. See
Figure
15. Disconnect inlet and outlet ends of expansion
valve from refrigerant lines, and tape closed open
ends of refrigerant lines and inlet and outlet ports of
expansion valve.
Installation
If expansion valve or lines have been ex-
posed to the atmosphere for any amount of time and
moisture may have entered the valve or the system,
flush the system and install new receiver-dehydrator
or valve as necessary.
Due to the possible adjustment involved
if the expansion valve is disassembled, disassembly of
the valve is not recommended. The valve may be
cleaned by submerging it in a bath of trichlorethy
lene, alcohol, or similar solvent. Dry by blowing
compressed air through the outlet port of the