Nissan Primera P11. Manual - part 463

O-RING AND REFRIGERANT CONNECTION

CAUTION:

The new and former connections use different O-ring configurations. Do not confuse O-rings since
they are interchangeable. If a wrong O-ring is installed, refrigerant will leak at, or around, the con-
nection.

O-ring parts number and specifications

Connection

type

O-ring size

Part number

mm (in)

New

92471 N8210

6.8 (0.268)

1.85 (0.0728)

Former

92470 N8200

6.07 (0.2390)

1.78 (0.0701)

New

9247 N8210

10.9 (0.429)

2.43 (0.0957)

Former

92475 71L00

11.0 (0.433)

2.4 (0.094)

New

92473 N8210

13.6 (0.535)

2.43 (0.0957)

Former

92475 72L00

14.3 (0.563)

2.3 (0.091)

New

92474 72L00

14.3 (0.563)

2.43 (0.0957)

KHA101

: New type refrigerant connection

: Formertype refrigerant connection

: O-ring size

Liquid tank

Expansion valve

Cooling unit

Compressor

Condenser

SHA814E

PRECAUTIONS AND PREPARATION

Precautions for Refrigerant Connection

(Cont’d)

HA-5

WARNING:

Make sure all refrigerant is discharged into the recycling equipment and the pressure in the system
is less than atmospheric pressure. Then gradually loosen the discharge side hose fitting and remove
it.

CAUTION:

When replacing or cleaning refrigerant cycle components, observe the following:

●

When the compressor is removed, store it in the same position as it is when mounted on the car.
Failure to do so will cause lubricant to enter the low pressure chamber.

●

When connecting tubes, always use a torque wrench and a back-up wrench.

●

After disconnecting tubes, immediately plug all openings to prevent entry of dirt and moisture.

●

When installing an air conditioner in the vehicle, connect the pipes as the final stage of the
operation. Do not remove the seal caps of pipes and other components until just before connec-
tion.

●

Allow components stored in cool areas to warm to ambient temperature before removing seal
caps. This prevents condensation from forming inside A/C components.

●

Thoroughly remove moisture from the refrigeration system before charging the refrigerant.

●

Always replace used O-rings.

●

When connecting tube, apply lubricant to circle of the O-rings shown in illustration. Be careful
not to apply lubricant to threaded portion.
Lubricant name: Nissan A/C System Oil Type R for compressor-model CR-14
Part number: KLH00-PAGR0
Lubricant name: Nissan A/C System Oil Type S for compressor-model CSV613
Part number: KLH00-PAGS0

●

O-ring must be closely attached to dented portion of tube.

●

When replacing the O-ring, be careful not to damage O-ring and tube.

●

Connect tube until you hear it click, then tighten the nut or bolt by hand until snug.
Make sure that the O-ring is installed to tube correctly.

●

After connecting line, conduct leak test and make sure that there is no leakage from connections.
When the gas leaking point is found, disconnect that line and replace the O-ring. Then tighten
connections of seal seat to the specified torque.

RHA861F

Torque wrench

Apply lubricant

Do not apply
lubricant to
thread.

Inflated portion

Plug

O-ring

PRECAUTIONS AND PREPARATION

Precautions for Refrigerant Connection

(Cont’d)

HA-6

Precautions for Servicing Compressor

●

Plug all openings to prevent moisture and foreign matter from entering.

●

When the compressor is removed, store it in the same position as it is when mounted on the car.

●

When replacing or repairing compressor, follow “Maintenance of Lubricant Quantity in Compres-
sor” exactly. Refer to HA-102.

●

Keep friction surfaces between clutch and pulley clean. If the surface is contaminated, with
lubricant, wipe it off by using a clean waste cloth moistened with thinner.

●

After compressor service operation, turn the compressor shaft by hand more than five turns in
both directions. This will equally distribute lubricant inside the compressor. After the compres-
sor is installed, let the engine idle and operate the compressor for one hour.

●

After replacing the compressor magnet clutch, apply voltage to the new one and check for nor-
mal operation.

Special Service Tools

CR-14 compressor

Tool number
Tool name

Description

KV99106700
Clutch disc wrench

NT351

Removing shaft nut and clutch disc

KV99106800
Pulley installer

NT352

Installing pulley

CSV613 compressor

Tool number
Tool name

Description

KV99106100
Clutch disc wrench

NT232

Removing center bolt

NT378

When replacing the magnet clutch in the above
compressor, use a clutch disc wrench with the pin side
on the clutch disc to remove it.

Clutch disc wrench

PRECAUTIONS AND PREPARATION

HA-7

Tool number
Tool name

Description

KV99232340
or
KV99107400
Clutch disc puller

NT376

Removing clutch disc

KV99106200
Pulley installer

NT235

Installing pulley

HFC-134a (R-134a) Service Tools and
Equipment

Never mix HFC-134a refrigerant and/or its specified lubricant with CFC-12 (R-12) refrigerant and/or its lubri-
cation oil.
Separate and non-interchangeable service equipment must be used for each type of refrigerant/lubricant.
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.
Adapters that convert one size fitting to another must never be used: refrigerant/lubricant contamination will
occur and compressor failure will result.

Tool name

Description

Note

HFC-134a (R-134a)
refrigerant

NT196

Container color: Light blue
Container marking: HFC-134a (R-134a)
Fitting size: Thread size

●

large container 1/2”-16 ACME

Nissan A/C System Oil
Type R
(Part No.: KLH00-PAGR0)
Type S
(Part No: KLH00-PAGS0)

NT197

Type: Poly alkyline glycol oil (PAG), type R
Application: HFC-134a (R-134a) vane
rotary compressors (Nissan only)
Capacity: 40m

(1.4 Imp fl oz)

Recovery/Recycling/
Recharging equipment

NT195

Function: Refrigerant Recovery and Recy-
cling and Recharging

PRECAUTIONS AND PREPARATION

Special Service Tools (Cont’d)

HA-8

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