Refrigerant Leaktest - Honda Civic Service Manual

Heating and Air Conditioning
Refrigerant Leak Test
Special Tool Required
Leak detector, Honda Tool and Equipment YGK-H-10PM
c o m m e r c i a l l v a v a i l a b l e
Compressed air mixed with R-134a forms a
combustible vapor.
The vapor can burn or explode causing serious
injury.
Never use compressed air to pressure test
R - 1 3 4 a s e r v i c e e q u i p m e n t o r v e h i c l e a i r
conditioning system.
A i r c o n d i t i o n i n g r e f r i g e r a n t o r l u b r i c a n t v a p o r
can irritate your eyes, nose, or throat.
Be carefulwhen connecting service equipment.
Do not breathe refrigerant or vapor
Use only service equipment that is U.L.-listed and is
certiified to meet the requirements of SAE J2210 to
r e m o v e H F C - 1 3 4 a ( R - 1 3 4 a ) f r o m t h e a i r c o n d i t i o n i n g
system.
lf accidental system discharge occurs, ventilate the
work area before resuming service.
R - 1 3 4 a s e r v i c e e q u i p m e n t o r v e h i c l e a i r c o n d i t i o n i n g
systems should not be pressure tested or leak tested
with compressed air.
Additional health and safety information may be
obtained from the refrigerant and lubricant
manufacturers.
21-56
1. Connect a R-134a refrigerant recovery/recycling/
charging station (A) to the high-pressure service
port (B) and the low-pressure service port (C), as
shown, following the equipment manufacturer's
anstructions.
Open the high pressure valve to charge the system
to the specified capacity, then close the supply
valve, and remove the charging system couplers.
Select the appropriate units of measure for your
refrigerant charging station.
Refrigerant capacity:
500 to 550 g
0.50 to 0.55 kg
1 . 1 0 t o 1 . 2 1 l b s
17.6 to 19.4 oz
Check the system for leaks using a R-134a
refrigerant leak detector with an accuracy of 14 g
(0.5 oz) per year or better.
lf you find leaks that require the system to be
opened (to repair or replace hoses, fittings, etc.),
recover the system.
After checking and repairing leaks, evacuate the
system.
3 .