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AC442
Matco Tools AC442 User Manual
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1
Foreword
1901016-85
EN
Operation Manual
A/C Service Equipment
AC442
R134a TOUCHSCREEN AUTOMATIC RRR
2
Table of Contents
Default Chapter
3
Table of Contents
3
1 Symbols Use
4
In the Documentation
4
Warning Notices- Structure and Meaning
4
Symbols in this Documentation
4
On the Product
4
2 Important Notes
4
User Group
4
Agreement
4
Obligation of Contractor
5
Safety Regulations
6
Ac442
6
Glossary
8
Safety Devices
8
3 Product Description
9
Application
9
Scope of Delivery
9
4 Description of Unit
10
5 Input Selection
12
Selection and Function Key
12
Display Screen
13
Main Menu Options
13
Unit Features
13
Ecolock ® Couplers (Optional)
13
Locking Caster Brakes
13
Power Supply Cable and Switch
13
Functional Description
14
6 Equipment Installation
15
Unpacking AC442
15
7 Commissioning
16
Connections and Positioning
16
First Start-Up Verification
16
Setup
17
Internal Bottle Fill
17
100 C Service Preparation
18
Preliminary Preparation
18
Non-Condensable Gas Discharge
18
Charge Modes
18
Quick Modes
18
Zero Tolerance Mode
18
100 C System Service
19
Automatic Cycle Setup
19
Manual Cycle Setup
19
Recovery Process
20
Vacuum Process
20
Charge Process
20
Vehicle Pressure Check
21
Unit of Measure
21
Clock Adjustment
21
Setting Language
21
10 Maintenance
22
Maintenance Interval
22
Filling Internal Refrigerant Cylinder22
22
Self Test
23
Pressure Zero
23
Counters
23
Long Life Pump Test
23
Vacuum Pump Oil Change
24
Replace Filter Dryer
24
Printer Maintenance (Optional)
25
Periodic Checks
25
11 Spare Parts
26
12 Maintenance
27
Vacuum Pump Oil Change
27
Filter Dryer Change
29
Refrigerant Load Cell Calibration Check32
32
Other Checks/Maintenance/Repairs
33
Notes
35
4
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Matco Tools AC442 Specifications
General
Model
AC442
Category
Test Equipment
Type
A/C Manifold Gauge Set
Hose Length
60 inches
High Side Gauge Range
0 to 500 PSI
Gauge Size
3-1/8 inches
Material
Brass
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