TABLE OF CONTENTS
Section
Page
Section 01 - Safety Information
1.10 Caution: to prevent injury
4
1.20 Caution: to reduce risk of electrical shock
4
1.30 Warning: to reduce risk of electrocution
5
1.40 Warning: to reduce risk of explosion or fi re
5
Section 02 - Optional Accessories
2.10 Optional Accessories
5
Section 03 - Installation
3.10 Environmental conditions
6
3.11 Introduction
6
3.12 Unpacking
6
3.13 Pump mounting
6
3.14 Pump location
6
3.15 Discharge provisions
7
3.16 Electrical power
7
3.17 Traps
8
3.18 When to Use a liquid Trap
8
3.19 When to Use a cold Trap
8
3.20 The care of a liquid trap
8
3.21 The care of a cold trap
8
Section 04 - Operation
4.10 Starting a Welch DRY Vacuum Pump
9
4.11 Cleanliness
9
4.12 Leak detection
9
4.13 Operating pressure range
9
4.14 The effects of unwanted vapor
9
4.15 Shutdown procedure
9
Section 05 - Maintenance
5.10 General maintenance
10
5.11 Diaphragm replacement
10
Section 06 - Specifi cations
6.10 Specifi cation
11
Section 07 - Drawing
7.10 Exploded view and kits
12
Section 08 - Warranty
8.10 Warranty
13
3