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SECTION TSM 845
PAGE 1 Of 14
ISSUE f
VIKING PUMP, INC. • A Unit of IDEX Corporation • Cedar Falls, IA 50613 USAVIKING PUMP, INC. • A Unit of IDEX Corporation • Cedar Falls, IA 50613 USA
TECHNICAL SERVICE MANUAL
INTRODUCTION
Introduction . . . . . . . . . . . . . . . . . . . . . . . 1
Safety Information. . . . . . . . . . . . . . . . . . . . 2
Special Information . . . . . . . . . . . . . . . . . . . 3
Maintenance . . . . . . . . . . . . . . . . . . . . . . 3
Disassembly: Pump. . . . . . . . . . . . . . . . . . . 4
Disassembly: Coupling . . . . . . . . . . . . . . . . . 6
Disassembly & Assembly
of MD-C Series Bearing Housing . . . . . . . . . . 8
Installation of Bushings . . . . . . . . . . . . . . . . .10
Assembly: Coupling. . . . . . . . . . . . . . . . . . .10
Adjusting Head Gasket End Clearance. . . . . . . . .11
Pump Rotation . . . . . . . . . . . . . . . . . . . . 11
Pressure Relief Valve . . . . . . . . . . . . . . . . . .11
Troubleshooting. . . . . . . . . . . . . . . . . . . . .13
Warranty . . . . . . . . . . . . . . . . . . . . . . . .14
UNMOUNTED UNITS
Units are designated by the
unmounted pump model numbers
followed by a letter(s) indicating
drive style.
B = Bracket Mount
R = Viking Reducer Drive
P = Commercial Speed Reducer
(Example: KK-827-MD-C80R)
K-823 , 825 , 827
KK823 , 825 , 827
Model Number Chart
The illustrations used in this manual are for identification
purposes only and should not be used for ordering parts.
Secure a parts list from the factory or a Viking® representative.
Always give complete name of part, part number or material
with model number and serial number of pump when ordering
repair parts. The unmounted pump or pump unit model
number and serial number can be found on the nameplate.
In the Viking® model number system, the basic size letters
are combined with the series (823, 825, 827), indicating basic
pump construction material (steel, cast iron, or stainless steel
respectively). See Model Number Chart.
This manual deals only with Series 823, 825 and 827 magnetic
drive pumps and couplings. Refer to Figures 1 thru 23
for general configuration and nomenclature used in this
manual. Pump specifications and recommendations are
listed in Catalog Section 845.
CONTENTS
WARNING !
Persons with surgical implants of a
metallic or electronic nature should
avoid working on pump – especially the
inner magnet assembly.
FIGURE 2
K & KK-825 (cast iron) MD-C80 R
Unit complete with Motor, “B”
Gear Reducer, Bearing Carrier
mounted to base with Mounted
Pump featuring Tapped Ports.
FIGURE 1
K & KK-827 (stainless steel) MD-C80 B
Bearing Carrier, Footed Bracket and
Mounted Pump with Flanged Ports.
TABLE 1
Electronic copies of the most current TSM issue can be found on the Viking Pump website at www.vikingpump.com
MAGNETIC DRIVE PUMPS
SERIES 823 – STEEL
825 – CAST IRON
827 – STAINLESS STEEL
SIZES K & KK