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LEYBOLD
Water Pump
Trivac D30A
LEYBOLD Trivac D30A User Manual
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02AiD4A
VALVE
ASSEMBLY
ITA-3.3
NOTE:
The
tube
end
of
the
D8A/D16A
gas
ballast
valve
is
similar
to
the
D2A/D4A,
except
the
D8A/D16A
has
a
cover
(33)
and
retainer
ring
(34)
above
the
oil
filter
(35).
Figure
5-1
DB.
Tube
End
of
Gas
Ballast
Valve
TRIVAC
"A"
Manual,
Edition
L
23
25
27
Table of Contents
Safety Precautions
3
Table of Contents
4
List of Figures
5
List of Tables
5
Identification Plate
6
Manual Key
6
Model and Catalog Numbers
6
Section 1 -Introduction
6
Direct Drive Mechanism
7
Pumping Mechanism
7
High Vacuum Stage Pump Cylinder
7
Section 2 - Principles of Operation
7
Gas Ballast Mechanism
8
Second Stage Pump Cylinder
8
Opening and Closing the Valve
8
D4A Module
8
Purpose and Function of the Gas Ballast Valve
9
Pump Fluid
10
Cross Section of the Gas Ballast Valve
10
Lubricating Fluid
10
Anti-Suck Back Mechanism
11
Receiving
11
Reporting Shipping Damage/Shortage
11
Section 3 - Preparing and Installing the Pump
11
Connecting the Pump to the System
12
Reporting Incorrect Shipment
12
Initial Filling with Lubricating Fluid
12
Making the Electrical Connection
13
Section 4 - Starting, Operating, and Maintaining the Pump
13
Checking the Direction of Rotation
13
Start-Up
13
Using the Gas Ballast Valve During Pump Warm-Up
13
Operation
14
Preventative Maintenance
14
Checking the Lubricating Fluid Level
14
Technical Data
15
Changing the Pump Fluid
15
Changing the Lubricating Fluid
15
Checking the Pump Fluid for Contamination
16
Long Term Storage
16
Checking the Dirt Trap
16
Avoiding Oil Leaks During Shipping and Storage
16
Module Replacement Procedure
17
Required Materials and Tools
17
Section 5 - Disassembly, Cleaning, and Assembly Instructions
17
5-A-2 Required Tools
17
Removing the Module from the Pump
18
Assembled Pump
19
Disassembling the Module
20
Module Attached to Coupling Housing
20
Module, Side View
21
Front End of Module Minus Coupling and Centrifugal Switch
22
Rear End of Module Minus the Disk
23
Removing the Cylindrical Pins from the Module
23
Disassembling the Remaining Parts
25
High Vacuum Stage Rotor Removed from the Shaft
25
Miscellaneous Disassembled Parts
27
D4A Module Showing Retaining Bracket and Valve Plate
28
Removing the Radial Shaft Seal from the End Plates
28
Coupling Housing and Motor
29
Removing the Valve Stop and Plate
29
Cleaning and Inspecting the Disassembled Pump
30
Removing the Oil Level Glass from the Coupling Housing
30
5-E-2 Instructions for Cleaning and Inspecting All Pump Models
31
5-E-L Special .For Service Pumps
31
Special Requirements for Extreme-Corrosive Service Pumps
31
Reassembling the Pump
32
Rotor, Bearing, Shaft and Vane Critical Dimensions
33
Disassembled Motor
35
Parts Required for Installing the Rotational Lock Bearing
35
Rotors/Shaft/Center Bearing Plate Assembly
38
Driving Long Cylindrical Pins Aligning HV Cylinder and Center Bearing
39
Pulling Second Stage Pump Cylinder Tight against the Center Bearing
41
Driving Short Cylindrical Pins Aligning Rear End Plate and HV Cylinder
42
Install the Radial Shaft Seal into the Front End Plate
43
Reassembling the Module to the Coupling Housing
45
Section 6 - Troubleshooting
46
Troubleshooting Contents
46
Troubleshooting Chart
47
Parts List Contents
57
Section 7 - Parts List
57
Disassembled Pump
58
Spare Modules, Gasket Sets and Repair Kits
59
Complete List of Parts
60
Exploded Isometric Drawing
74
4
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LEYBOLD Trivac D30A Specifications
General
Brand
LEYBOLD
Model
Trivac D30A
Category
Water Pump
Language
English
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