1973 OPEL MANTA check oil

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Page 547 of 625

OPEL MANTA 1973  Service Manual 9B-38 1973 OPEL SERVICE MANUAL
expand and return to the original gaseous state. To
accomplish this transformation it begins to boil.
The boiling action of the refrigerant demands heat.
To satisfy the

Page 550 of 625

OPEL MANTA 1973  Service Manual REFRIGERANT COMPONENTS ALL MODELS9s. 41
BIower Operating Normal Check for the following:Restriction or leakage in air ducts, A/C outlets not
opening.2. Do not carry cylinder in passenger compartment
o

Page 551 of 625

OPEL MANTA 1973  Service Manual 98-42 1973 OPEL SERVICE MANUAL
SCHRADER VALVE
ADAPTER J-54201COMPRESSOR(TOP VIEW)[/--DISCHARGE LINE
ILOW PRESSURE\ GAUGE
MANIFOLD AND
-GAUGE SET
J-5725-01
rGAUGE LINES
(5) J-541899-31
Figure 98.41 Set

Page 552 of 625

OPEL MANTA 1973  Service Manual REFRIGERANT COMPONENTS ALL MODELS9B- 43
4. Start the vacuum pump and slowly open low and
high pressure sides of manifold gauge set to avoid
forcing oil out of refrigeration system and pump,
Pressure i

Page 554 of 625

OPEL MANTA 1973  Service Manual REFRIGERANT COMPONENTS ALL MODELS9t3- 45
B. If system is charged using J-6272-02, close the
valve of opener after all cans are empty. Release the locking lever and discard the three (3) empty cans.
If

Page 555 of 625

OPEL MANTA 1973  Service Manual 98-46 1973 OPEL SERVICE MANUAL
shut off vacuum pump. Open refrigerant control
valve and allow some refrigerant to enter system.
Locate and repair all leaks.
7. After evacuating for 15 minutes, add l/2

Page 556 of 625

OPEL MANTA 1973  Service Manual REFRIGERANT COMPONENTS ALL MODELS9a- 47
B. Connect center flexible line of gauge set to the
fitting on the valve.
C. Start engine, turn temperature control knob to full
cold position, set blower switc

Page 563 of 625

OPEL MANTA 1973  Service Manual 96-54 1973 OPEL SERVICE MANUAL
valve. The filter screen at the inlet port may be re-
placed. Remove screen by threading a lo-32 NF
screw into old filter screen. With a washer and a nut
on the screw ar