Viking 855 - Manual
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Table of Contents:
- Page 2 – SAfETY INfORMATION AND INSTRUCTIONS; AND MAINTAINED ONLY BY SUITABLY TRAINED AND QUALIfIED PERSONS.
- Page 3 – SPECIAL INfORMATION; ROTATION
- Page 4 – MAINTENANCE; WITH BEARING CARRIER ILLUSTRATED
- Page 5 – Series
- Page 7 – PUMP DISASSEMBLY; Refer to DANGER & CAUTION listed on page 2
- Page 8 – DISASSEMBLY Of COUPLING; fIGURE 9; ASSEMBLY
- Page 9 – DISASSEMBLY / ASSEMBLY Of BEARING CARRIER; DISASSEMBLY; figure; Bearing Carrier for MD2-B Couplings; figure 8 on page 7 and; Bearing Carrier for MD2-C Couplings; AND BEARING CARRIER
- Page 10 – INSTALLATION Of BUSHINGS; CARBON GRAPHITE; CASING BUSHING POSITIONING; ASSEMBLY Of PUMP; See figure 14, page 9
- Page 11 – PUMP ROTATION
- Page 12 – ASSEMBLY Of COUPLING
- Page 13 – ADJUSTING END CLEARANCE; PROCEDURE A
- Page 14 – DISASSEMBLY – RELIEf VALVE; always; Before starting pump, be sure all drive equip-; PRESSURE ADJUSTMENT; TABLE 8
- Page 15 – TROUBLESHOOTING; Pump starts, then loses its prime
- Page 16 – TECHNICAL SERVICE MANUAL; A Unit of IDEX Corporation; WARRANTY
TECHNICAL SERVICE MANUAL
VIKING PUMP, INC.
•
A Unit of IDEX Corporation
•
Cedar Falls, IA 50613 USA
SECTION TSM
PAGE
ISSUE
Introduction ...................................................................
1
Special Information .......................................................
3
Maintenance .................................................................
4
Parts Identification Drawings ........................................
5-7
Disassembly of Pump ...................................................
7
Disassembly of Coupling ..............................................
8
Disassembly / Assembly Bearing Carrier .....................
9-10
Installation of Bushings.................................................
10
Assembly of Pump........................................................
10-11
Pump Rotation ..............................................................
11
Assembly of Couplings .................................................
12
Adjusting End Clearance ..............................................
13
Pressure Relief Valve Instructions ................................
13-14
Troubleshooting ............................................................
15
Warranty .......................................................................
16
CONTENTS
INTRODUCTION
685.2
1 Of 16
C
WARNING!
Persons with surgical implants of a metallic
or electronic nature should avoid working on
pump – especially the inner magnet assem-
bly.
This information must be read fully before
beginning any maintenance or repair of the
pump. All maintenance or repair must be done
by SUITABLY TRAINED or qualified persons
only.
The illustrations used in this manual are for identification
purposes only and cannot be used for ordering parts. Obtain
a parts list from the factory or a Viking® representative.
Always give the complete name of the part, part number and
material with the model number and serial number of the
pump when ordering repair parts. The unmounted pump or
pump unit model number and serial number can be found on
the nameplate secured to the pump.
This manual deals only with Series 855 magnetic drive pumps.
Refer to Figures 1 through 22 for general configuration and
nomenclature used in this manual. Pump specifications and
recommendations are listed in Catalog Section 685.
In the Viking model number system, the basic size letters
(AS, AK, AE etc.) are combined with the series number (855)
indicating basic pump construction material.
MODEL NUMBER
CHART
Pump with Bearing Carrier
fIGURE 2
AK SERIES 855UB MD2-14 M
Pump with Motor Directly Mounted to the Bracket
UNMOUNTED PUMPS
UNITS
AS-855U, AS-855M,
Units are designated by the un-
mounted pump model numbers
followed by the magnetic coupling
size and a letter indicating drive
style.
(Example: AK-855MA MD2 B50 M )
D = Direct Drive, Base Mounted
M = Motor, Face Mounted
B = Bearing Carrier
R = Viking Reducer Drive
P = Commercial Reducer Drive
See Page 4 for complete description of
the model number
AK-855U, AK-855M
AL-855U, AL-855M
KE-855U, KE-855M
KKE-855U, KKE855M
TABLE 1
fIGURE 1
SERIES AK855UB MD2-32 B
SERIES 855
Sizes AS, AK, AL, KE, KKE
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Summary
SECTION TSM 685.2 ISSUE C PAGE 2 OF 16 BEfORE opening any liquid chamber (pumping chamber, reservoir, relief valve adjusting cap fitting, etc.) be sure that : ● Any pressure in the chamber has been completely vented through the suction or discharge lines or other appropriate openings or connections....
SECTION TSM 685.2 ISSUE C PAGE 3 OF 16 fIGURE 3 RELIEf VALVE POSITION SPECIAL INfORMATION ROTATION : Viking Mag Drive® pumps are designed to run in either direction. See PUMP ROTATION, page 11. PRESSURE RELIEF VALVES: 1. Viking pumps are positive displacement pumps and must be provided with some sor...
GAUGE PORT BOSS STORAGE: If the pump and coupling are to be stored, drain the pump and pour non-detergent SAE 30-weight oil into the pump port. Apply grease to the pump or the coupling shaft extension, if present or accessible. Viking suggests rotating the pump shaft every 30 days to circulate the o...
