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LEYBOLD
Water Pump
Trivac D16A
LEYBOLD Trivac D16A User Manual
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o
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§
()
:b
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l5
.:-
Posi-
Number
Required
per
Unit
tlon
No.
on
Pump
Model
Figs.
D2A
D4A
D8A
D16A
D30A
D60A/
D90A'
Part
Name
PUMP
HOUSING
ASSY.
(Cont'd.)
14
1
1
Handle
14
1
1
Handle
15
1
1
Oii
level
glass
15
1
1
1
1
Oii
level
glass
15A
1
1
Flat
gasket
15A
1
1
1
1
Flat
gasket
16
4
4
4
4
Rubber
foot
16
2
2
Support
4
4
Vibration
pad
GAS
BALLAST
VALVE
ASSEMBLY
1
1
Gas
ballast
valve
assy.
1
1
Gas
ballast
valve
assy.
1
1
Gas
ballast
valve
assy.
17
1
1
Gas
ballast
valve
stem
17
1
1
Gas
ballast
valve
stem
17
1
1
Gas
ballast
valve
stem
Flat
gasket
18
1
1
Cap
18
1
(1)
1
1
Cap
19
1
1
1
1
Valve
assembly
20
1
1
1
1
O-ring
21
1
1
1
1
Retaining
washer
22
1
1
Stiffening
disk
22
1
1
1
1
Stiffening
disk
23
1
1
Nonreturn
valve
24
1
1
Flat
gasket
25
1
1
Spring
26
1
1
Strengthening
piece
1
1
Pan
head
screw
+
+
Included
in
universal
gasket
set
and
module
repair
kit
(see
page
57
of
parts
list).
:j:
Must
be
purchased
as
gas
ballast
assembly.
Dimensions
Catalog
No.
(mm)
Material
28302
106
100x86x28
Black
plastic
28302
107
106x120x32
Black
plastic
52040
124
M50x1.5
Glass,
Viton
52040125
.;M60x2
Glass,
Viton
23955172
++'
48x56x2
Viton
23955171
+¥'
60x68x2
Viton
27980308
D20x16
Buna-N
720"()0..()68
63.5x38
Stl
99274005
Buna-S
72000077
72000079
72000080
:j:
43x109
AI-aly,
Stl
:j:
65xl13.5
AI-aly-Stl
:j:
85x85x67
AI-aly,
Stl
34975
102
D22x24
Buna-N
34975
105
D50x40
Buna-N
35020
158
D31.7x6
Thermoplastic
"
23970436¥+
D27x2.5
Viton
22149207
D19.5x33xO.9
Steel
22204104
D15x3
Brass
22204107
D4OxO.5
Bronze
35020
126
D16x26
Steel
23973
133+
19x6x1
Viton
451
74424+'+
,19xO.1
Steel
451
74425+f.i:
6x7xO.1
Steel
20104129
M2x6
Steel
Buna-N-synthetic
rubber
Sti-steel
AI·aly-aluminum
alloy
D-diameter
Vitoli-heat
resistant
synthetic
rubber
Remarks
Includes
flat
gasket
(Item
15A)
i
Not
shown
in
Figs,
This
assembly
includes
Position
Numbers
17
thru
27
and
30,
31
,
&
32.
See
Position
No.4.
See
Fig.
5-10A.
See
Fig.
5-10A.
See
Fig.
5-10A.
Not
shown
-
----------_
...
61
63
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
5
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LEYBOLD Trivac D16A Specifications
General
Brand
LEYBOLD
Model
Trivac D16A
Category
Water Pump
Language
English
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