Viking Pump TSM685.1: GS-HL 855 - Manual

SECTION TSM
PAGE
ISSUE
VIKING PUMP, INC. • A Unit of IDEX Corporation •
Cedar Falls, IA 50613 USA VIKING PUMP, INC. • A Unit of IDEX Corporation •
Cedar Falls, IA 50613 USA
TECHNICAL SERVICE MANUAL
INTRODUCTION
685.1
1 Of 16
f
WARNING!
Persons with surgical implants of a metallic
or electronic nature should avoid working on
pump – especially the inner magnet assem-
bly.
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 34 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
are combined with the series number (855) indicating basic
pump construction material.
MODEL NUMBER CHART
fIGURE 1
GS,GG SERIES 855MA MD2-A9 B
Pump with Bearing Carrier
fIGURE 2
Hj-HL SERIES 855MB MD2-B M
Pump with Motor Directly Mounted to the Bracket
UNMOUNTED PUMPS UNITS
GS-855U, GS-855M,
Units are designated by the un-
mounted pump model numbers
followed by the magnetic coupling
size and a letter indicating drive
style.
(Example: GG-855MA MD2 A9 M )
D = Direct Drive
M = Motor Mount
B = Bearing Carrier
R = Viking Reducer Drive
P = Commercial Reducer Drive
See Page 4 for complete description of
the model number
GG-855U, GG-855M
HJ-855U, HJ-855M
HL-855U, HL-855M
TABLE 1
CONTENTS
Introduction . . . . . . . . . . . . . . . . . . . . . . . 1
Safety Information. . . . . . . . . . . . . . . . . . . . 2
Special Information . . . . . . . . . . . . . . . . . . . 3
Maintenance . . . . . . . . . . . . . . . . . . . . . . 3
Disassembly of Pump. . . . . . . . . . . . . . . . . . 4
Disassembly of Couplings . . . . . . . . . . . . . . . 7
Disassembly / Assembly Bearing Housing . . . . . . . 9
Installation of Bushings . . . . . . . . . . . . . . . . . 9
Assembly of Pump . . . . . . . . . . . . . . . . . . . 9
Pump Rotation . . . . . . . . . . . . . . . . . . . . . 10
Assembly of Couplings . . . . . . . . . . . . . . . . . 11
Adjusting End Clearance . . . . . . . . . . . . . . . . 13
Pressure Relief Valve Instructions . . . . . . . . . . . 13
Troubleshooting . . . . . . . . . . . . . . . . . . . . 15
Electronic copies of the most current TSM issue can be found on the Viking Pump website at www.vikingpump.com
SERIES 855
Sizes GS, GG, Hj, HL