Infiniti M35/M45 Y50. Manual — part 116
PRECAUTIONS
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ATC
Precautions for Leak Detection Dye
NJS000FV
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The A/C system contains a fluorescent leak detection dye used for locating refrigerant leaks. An ultraviolet
(UV) lamp is required to illuminate the dye when inspecting for leaks.
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Always wear fluorescence enhancing UV safety goggles to protect your eyes and enhance the visibility of
the fluorescent dye.
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The fluorescent dye leak detector is not a replacement for an electrical leak detector (SST: J-41995). The
fluorescent dye leak detector should be used in conjunction with an electrical leak detector (SST: J-41995)
to pin-point refrigerant leaks.
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For the purpose of safety and customer’s satisfaction, read and follow all manufacture’s operating instruc-
tions and precautions prior to performing the work.
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A compressor shaft seal should not necessarily be repaired because of dye seepage. The compressor
shaft seal should only be repaired after confirming the leak with an electrical leak detector (SST: J-41995).
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Always remove any remaining dye from the leak area after repairs are completed to avoid a misdiagnosis
during a future service.
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Never allow dye to come into contact with painted body panels or interior components. If dye is spilled,
clean immediately with the approved dye cleaner. Fluorescent dye left on a surface for an extended period
of time cannot be removed.
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Never spray the fluorescent dye cleaning agent on hot surfaces (engine exhaust manifold, etc.).
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Never use more than one refrigerant dye bottle (1/4 ounce /7.4 cc) per A/C system.
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Leak detection dyes for HFC-134a (R-134a) and CFC-12 (R-12) A/C systems are different. Never use
HFC-134a (R-134a) leak detection dye in CFC-12 (R-12) A/C system, or CFC-12 (R-12) leak detection
dye in HFC-134a (R-134a) A/C system, or A/C system damage may result.
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The fluorescent properties of the dye will remain for three years or a little over unless a compressor mal-
function occurs.
IDENTIFICATION
NOTE:
Vehicles with factory installed fluorescent dye have a green label.
Vehicles without factory installed fluorescent dye have a blue label.
IDENTIFICATION LABEL FOR VEHICLE
Vehicles with factory installed fluorescent dye have the identification label on the front side of hood.
ATC-16
PREPARATION
PREPARATION
PFP:00002
Special Service Tools
NJS000FW
The actual shapes of Kent-Moore tools may differ from those of special service tools illustrated here.
Tool number
(Kent-Moore No.)
Tool name
Description
9253089908
(for high-pressure pipe 1)
(-)
9253089912
(for high-pressure flexible hose)
(-)
9253089916
(for low-pressure pipe 1 and
low-pressure flexible hose)
(-)
Disconnector tool set
(J-45815)
Disconnect one-touch joint connection
SJIA1274E
PREPARATION
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ATC
HFC-134a (R-134a) Service Tools and Equipment
NJS000FX
Never mix HFC-134a (R-134a) refrigerant and/or its specified lubricant with CFC-12 (R-12) refrigerant and/or
its lubricant.
Separate and non-interchangeable service equipment must be used for handling each type of refrigerant/lubri-
cant.
Refrigerant container fittings, service hose fittings and service equipment fittings (equipment which handles
refrigerant and/or lubricant) are different between CFC-12 (R-12) and HFC-134a (R-134a). This is to avoid
mixed use of the refrigerants/lubricant.
Never use adapters that convert one size fitting to another: refrigerant/lubricant contamination occurs and
compressor malfunction may result.
Tool number
(Kent-Moore No.)
Tool name
Description
HFC-134a (R-134a) refrigerant
Container color: Light blue
Container marking: HFC-134a (R-
134a)
Fitting size: Thread size
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Large container 1/2
″
-16 ACME
Nissan A/C System Oil Type S
(DH-PS)
Type: Polyalkylene glycol oil (PAG),
type S (DH-PS)
Application:
HFC-134a (R-134a) swash plate
compressors (Nissan only)
Capacity: 40 m
(1.4 US fl oz., 1.4
Imp fl oz.)
(ACR2005-NI)
ACR5 A/C Service Center
Function: Refrigerant recovery,
recycling and recharging
(J-41995)
Electrical A/C leak detector
Power supply:
DC 12 V (Battery terminal)
S-NT196
S-NT197
WJIA0293E
AHA281A
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PREPARATION
(J-43926)
Refrigerant dye leak detection kit
Kit includes:
(J-42220)
UV lamp and UV safety goggles
(J-41459)
HFC-134a (R-134a) dye injector
Use with J-41447, 1/4 ounce
bottle
(J-41447)
HFC-134a (R-134a) fluorescent
leak detection dye
(Box of 24, 1/4 ounce bottles)
(J-43872)
Refrigerant dye cleaner
Power supply:
DC 12 V (Battery terminal)
(J-42220)
UV lamp and UV safety goggles
Power supply:
DC 12 V (Battery terminal)
For checking refrigerant leak when
fluorescent dye is installed in A/C
system
Includes:
UV lamp and UV safety goggles
(J-41447)
HFC-134a (R-134a) fluorescent
leak detection dye
(Box of 24, 1/4 ounce bottles)
Application:
For HFC-134a (R-134a) PAG oil
Container:
1/4 ounce (7.4 cc) bottle
(Includes self-adhesive dye
identification labels for affixing to
vehicle after charging system with
dye.)
(J-41459)
HFC-134a (R-134a) dye injector
Use with J-41447, 1/4 ounce
bottle
For injecting 1/4 ounce of fluorescent
leak detection dye into A/C system
(J-43872)
Refrigerant dye cleaner
For cleaning dye spills
(J-39183)
Manifold gauge set (with hoses
and couplers)
Identification:
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The gauge face indicates HFC-134a
(R-134a).
Fitting size: Thread size
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1/2
″
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Tool number
(Kent-Moore No.)
Tool name
Description
ZHA200H
SHA438F
SHA439F
SHA440F
SHA441F
RJIA0196E
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