SECTION TSM 144
PAGE 1 OF 10
ISSUE F
VIKING PUMP, INC. x A Unit of IDEX Corporation xCedar Falls, IA 50613 USA
TECHNICAL SERVICE MANUAL
CONTENTS
INTRODUCTION
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 complete name of part, part number and material with
model number and serial number of pump when ordering
repair parts. The unmounted pump or pump unit model
number and serial number are on the nameplate.
In the Viking model number system, basic size letters are
combined with series number (4195 and 495) are used to
indicate either an unmounted pump or mounted pump unit.
FIGURE 1
G, GG, H, HJ and HL4195 SERIES
Foot Type Unmounted Pump with Tapped Ports
Introduction . . . . . . . . . . . . . . . . . . . . . . . 1
Safety Information....................2
Special Information . . . . . . . . . . . . . . . . . . . 3
Special Mechanical Seals................3
Maintenance . . . . . . . . . . . . . . . . . . . . . . 3
Disassembly . . . . . . . . . . . . . . . . . . . . . . 4
Assembly . . . . . . . . . . . . . . . . . . . . . . . . 7
Thrust Bearing Adjustment . . . . . . . . . . . . . . . 8
Installation of Carbon Graphite Bushings ........8
Pressure Relief Valve Instructions . . . . . . . . . . . 9
FIGURE 2
AS, AK and AL4195 SERIES
Foot Type Unmounted Pump with Tapped Ports
FIGURE 3
G, GG, H, HJ and HL495 SERIES
Unmounted Pump with Tapped Ports
UNMOUNTED PUMP UNITS
Foot Mounted
Units are designated by the
unmounted pump model
numbers followed by a letter(s)
indicating drive style.
D = Direct Drive
G4195 HL4195
GG4195 AS4195
H4195 AK4195
HJ4195 AL4195
Flange Mounted
M = Horizontal Direct Drive
G495 HL495
GG495 AS495
H495 AK495
HJ495 AL495
This manual deals only with Series 4195 and 495 Heavy
Duty Pumps. Refer to Figures 1 through 14 for general
configuration and nomenclature used in this manual. Pump
specifications and recommendations are listed in Catalog
Section 144, Series 4195 and 495 Heavy Duty Pumps.
FIGURE 4
AS, AK and AL495 SERIES
Unmounted Pump with Tapped Ports
Electronic copies of the most current TSM issue can be found on the Viking Pump website at www.vikingpump.com
HEAVY-DUTY PUMPS
SERIES 4195 AND 495
SIZES G, GG, H, HJ, HL, AS, AK, AL
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