Get Testingequipmentandtools -> 12.1 List of test equipment, tools and materials Guide for Volkswagen LT Van Second Generation (1996-2006)

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Air conditioning system with refrigerant R134a - Edition 10.2014

12

Testing equipment and tools

12.1

List of test equipment, tools and materi‐

als

Note

This list is an overview of the test equipment, tools and materials

necessary for professional repairs to the refrigerant circuit.

Caution

Non-authorised tools or materials (e.g. leak inhibitor additive)

may cause damage or adversely influence the system.

Only tools and materials approved by the manufacturer may

be used.

Use of non-approved tools or materials will render the warranty

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void.

12.1.1

Tools and materials available from dis‐

tribution centre or importer

Overview

page

Air conditioner service station - VAS 6007A- ,

other air conditioner service stations ⇒

V.A.G workshop equipment catalogue .

⇒ page 168

Leak detector - V.A.G 1796-

Leak detecting system - VAS 6196-

Leak detection additive - VAS 6196/1-

⇒ page 169

not illustrated

⇒ page 170

Leak detecting system - VAS 6201- or later

model

Air conditioner service station - VAS 6380-

with purging device or air conditioner service

station with purging device - VAS 6337- (lat‐

est available air conditioner service stations

⇒ V.A.G workshop equipment catalogue ).

♦ With integrated program for purging re‐

frigerant circuit using refrigerant R134a.

not illustrated

Purging device for refrigerant circuits - VAS

6337/1- , (other available refrigerant circuit

purging devices ⇒ V.A.G workshop equip‐

ment catalogue .

⇒ page 169

♦ For purging refrigerant circuit using re‐

frigerant R134a. To use also on older air

conditioner service stations (purging de‐

vice must then be carried out manually)

with a reservoir volume of at least 10 kg

refrigerant R134a.

12. Testing equipment and tools

165

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Air conditioning system with refrigerant R134a - Edition 10.2014

Overview

page

Purging device for refrigerant circuits - VAS

6336/1- , (other available refrigerant circuit

purging devices ⇒ V.A.G workshop equip‐

ment catalogue .

⇒ page 169

♦ For purging refrigerant circuit using re‐

frigerant R134a. To use also on older air

conditioner service stations (purging de‐

vice must then be carried out manually)

with a reservoir volume of at least 10 kg

refrigerant R134a.

Adapter case VW/Audi passenger vehicle

set -VAS 6338/1- for refrigerant circuits with

refrigerant R134a.

not illustrated

♦ For connection of air conditioner service

station to refrigerant circuit and to bridge

certain components during purging with

refrigerant R134a or blowing through with

compressed air or nitrogen.

Adapter case commercial vehicle set -

VAS 6338/50- for refrigerant circuits with re‐

frigerant R134a.

♦ For connection of air conditioner service

station to refrigerant circuit and to bridge

certain components during purging or

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blowing through.

Ultrasonic air conditioner cleaning unit - VAS not illustrated

6189A-

♦ To remove unpleasant odours originating

from air conditioning system.

Suction feed spray-gun - V.A.G 1538-

♦ V.A.G 1538/5, probe for evaporator

cleaning, short

not illustrated

♦ V.A.G 1538/6, probe for evaporator

cleaning, long

♦ V.A.G 1538/7, probe for evaporator

cleaning, 700 mm (CV)

♦ Cleaner D 600 100 A1

♦ Cleaning solution for evaporator D 600

100 A2

♦ To remove unpleasant odours from evap‐

orator

Release tools case - VAS 6127-

♦ To open refrigerant pipes.

⇒ page 170

⇒ page 171

Release tools - VAS 6127/1-3-

♦ To open refrigerant pipes.

Counterhold - V.A.G 1616-

♦ For coupling plate (air conditioner com‐

pressor made by “Sanden”).

Puller - V.A.G 1616/1- for magnetic clutch

(Sanden air conditioner compressor).

⇒ page 171

Magnetic clutch puller - V.A.G 1719- (Zexel

air conditioner compressor).

Adapter set for refrigerant circuit - V.A.G

1785/1-10- R134a.

166

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Air conditioning system with refrigerant R134a - Edition 10.2014

Overview

page

Combination fine filter unit for compressed

air systems; oil, dirt and water separator as

used for paint gun systems ⇒ Workshop

equipment catalogue .

not illustrated

O-ring ⇒ Parts catalogue .

Refrigerant oil ⇒ Parts catalogue .

Socket insert - T10364- for valves of service

connections on HP/LP side of refrigerant cir‐

cuit.

not illustrated

⇒ page 172

12.1.2

Tools and materials commercially avail‐

able

Caution

Non-authorised tools or materials (e.g. leak inhibitor additive)

may cause damage or adversely influence the system.

Only tools and materials approved by the manufacturer may

be used.

Use of non-approved tools or materials will render the warranty

void.

Overview

page

Fin comb

⇒ page 172

⇒ page 173

Charging hoses 5/8"-18 UNF with valve opener

Connector piece for pressure bottles for refrigerant and sealing ring with quick-

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release coupling or threaded connector 5/8"-18 UNF

Valve caps 5/8" -18 UNF

Manifold gauge with pressure limiter for nitrogen

⇒ page 173

⇒ page 174

Quick-release coupling adapter for service connections, 2 included in items

supplied with air conditioner service station

Open ring spanners of widths matching those of the threaded connections on

the refrigerant pipes.

not illustrated

Valve opener for charging hoses

Connection nipple for tapered seal 5/8"-18 UNF

Compressed air gun with rubber nozzle

Hand shut-off valve 5/8" - 18 UNF

Recycling bottle for refrigerant R134a

Digital thermometer

Protective gloves

Protective goggles

Refrigerant R134a with pressure bottle (contents as required)

Nitrogen in pressure bottle

Strap wrench (oil filter) as counterhold for poly V-belt pulley

not illustrated

12. Testing equipment and tools

167

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Air conditioning system with refrigerant R134a - Edition 10.2014

12.1.3

Tools to be made locally

Overview

page

Charging hose with connector to the work‐

shop's compressed air system

⇒ page 174

12.1.4

Tools and materials available from dis‐

tribution centre or importer

Caution

Non-authorised tools or materials (e.g. leak inhibitor additive)

may cause damage or adversely influence the system.

Only tools and materials approved by the manufacturer may

be used.

Use of non-approved tools or materials will render the warranty

void.

Air conditioning service station - VAS 6007A- (and further service

stations currently available)

⇒ Workshop equipment

♦ The procedures for testing, extracting (recycling), evacuating

and charging should be carried out in accordance with the re‐

spective user's manual.

♦ The installed filter and dryer must be renewed at the latest at

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the end of the period of use specified in the operating instruc‐

tions and every time that the station is emptied (keep replace‐

ment filter on hand. they can be ordered from the manufacturer

of the device, see user's manual.

♦ Air conditioner service stations or purging devices approved

by VW but not shown here may also be used.

⇒ Workshop equipment

Note

♦ This air conditioner service station incorporates the following

common individual devices: charging cylinder, manifold

gauge, vacuum pump, shut-off valves and charging hoses.

♦ This air conditioner service station includes one of each type

of quick-release coupling (for high-pressure and low-pressure

side service connections).

168

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Air conditioning system with refrigerant R134a - Edition 10.2014

Purging device for refrigerant circuits - VAS 6337/1- from “Behr”

or later model.

Note

♦ With filter -1- and two large cylindrical sight glasses

♦ The filter in the purging device for refrigerant circuits should

be changed after about 2 purging cycles (depending on the

level of contamination from the purged refrigerant circuits). If

a heavily contaminated refrigerant circuit is purged (the refrig‐

erant oil from the refrigerant circuit is black and viscous or

there are large amounts of shavings in the refrigerant circuit)

renew filter after purging refrigerant circuit.

Purging device for refrigerant circuits - VAS 6336/1- from “Waeco”

or later model.

Note

♦ With filter -1- and one sight glass

♦ The filter in the purging device for refrigerant circuits should

be changed after about 2 purging cycles (depending on the

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level of contamination from the purged refrigerant circuits). If

a heavily contaminated refrigerant circuit is purged (the refrig‐

erant oil from the refrigerant circuit is black and viscous or

there are large amounts of shavings in the refrigerant circuit)

renew filter after purging refrigerant circuit.

Leak detector - V.A.G 1796-

Leak detecting system - VAS 6196-

12. Testing equipment and tools

169

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Air conditioning system with refrigerant R134a - Edition 10.2014

Leak detecting system VAS 6201 or later model

Release tool - VAS 6127- case comprising release tool - VAS

6127/1- release tool - VAS 6127/2- and release tool - VAS 6127/3-

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Release tool - VAS 6127/1- release tool - VAS 6127/2-

♦ Blue 1/2 inch

♦ Black 5/8 inch

♦ Red 3/8 inch

♦ White 3/4 inch

Release tool - VAS 6127/3-

♦ Green NW 8 for high-pressure line

♦ Black NW 13 for low-pressure line

170

Rep. gr.00 - Technical data

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Amarok 2011 ➤ , Beetle 2012 ➤ , Bora 1999 ➤ , CC 2010 ➤ , CC 2012 ➤ , ...

Air conditioning system with refrigerant R134a - Edition 10.2014

Counterhold - V.A.G 1616- for clutch pulley (for “Sanden” air con‐

ditioner compressors)

Puller - V.A.G 1616/1- for clutch pulley (for “Sanden” air condi‐

tioner compressors)

Magnetic clutch puller - V.A.G 1719- (for “Zexel” air conditioner

compressors)

Adapter set for refrigerant circuit - V.A.G 1785/1-10-

♦ Adapter to clean refrigerant circuit (flushing with refrigerant

R134a) ⇒ page 67 or blowing through with compressed air or

nitrogen ⇒ page 65

A - 5/8"-18 UNF thread for conical surface seal

B - Cap nuts (for connection with O-ring) with thread

♦ M 18x1.5 V.A.G 1785/1

♦ M 20x1.5 V.A.G 1785/2

♦ M 24x1.5 V.A.G 1785/3

♦ M 28x1.5 V.A.G 1785/4

A - 5/8"-18 UNF thread for conical surface seal

B - Threaded union for O-ring

12. Testing equipment and tools

171

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Air conditioning system with refrigerant R134a - Edition 10.2014

♦ M 18x1.5 V.A.G 1785/5

♦ M 20x1.5 V.A.G 1785/6

♦ M 24x1.5 V.A.G 1785/7

♦ M 28x1.5 V.A.G 1785/8

Valve adapters

A - 5/8"-18 UNF thread for conical surface seal

B - Internal thread with valve opener M 10x1.25 V.A.G 1785/9 (for

connections with valves on the high-pressure side) M 12x1.5

V.A.G 1785/10 (for connections on the low-pressure side)

Note

lk

♦ There is a Schrader valve screwed into connection -A-.

♦ A valve opener must be fitted into the charging hose connec‐

tion.

Socket insert - T10364- for valves of service connections on HP/

LP side of refrigerant circuit

12.1.5

Tools and materials commercially avail‐

able

Fin comb

172

Rep. gr.00 - Technical data

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Air conditioning system with refrigerant R134a - Edition 10.2014

Charging hoses

5/8"-18 UNF valve

Note

♦ Various colours of charging hose can be used, 1,800 mm long.

♦ Maintain a stock of valve openers and spare seals.

Connector piece for pressure bottles for refrigerant with sealing

ring, quick-release coupling or threaded connector 5/8"-18 UNF

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Valve caps with replacement seals (for 5/8''-18 UNF threads)

Seals can also be used for charging hoses.

Manifold gauge with pressure reducer for nitrogen (maximum re‐

duction pressure: 15 bar)

1 - Manifold gauge with pressure reducer

2 - Pressure hose (internal diameter 5 mm, length 2 m) with

hose junctions

3 - Nitrogen bottle

4 - Hose fitting

Note

Hose junctions for connection to the adapter set for refrigerant

circuit - V.A.G 1785- with 5/8"-18 UNF threads or quick-release

coupling adapter for service connections to refrigerant circuit.

12. Testing equipment and tools

173

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Air conditioning system with refrigerant R134a - Edition 10.2014

Quick-release coupling adapter for service connection

♦ High-pressure side with nominal diameter of 16 mm

♦ Low-pressure side with nominal diameter of 13 mm

Note

These quick-release couplings are supplied with the air condi‐

tioner service station.

12.1.6

Tools to be made locally

Charging hose with connector to the workshop's compressed air

system

A - Charging hose 5/8" - 18 UNF** (version with large internal

diameter)

B - Connector for workshop compressed air system** (use only

with filter and dryer for compressed air)

** Tools and materials which are commercially available

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174

Rep. gr.00 - Technical data

Testingequipmentandtools -> 12.1 List of test equipment, tools and materials for Your Volkswagen LT Van Second Generation (1996-2006)

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