Válvulas

TECHNICAL SERVICE MANUAL
HEAVY-DUTY PUMPS
SERIES 4195 AND 495
SIZES G, GG, H, HJ, HL, AS, AK, AL

CONTENTS

Introduction . . . . . . . . . . . . . . . .
Safety Information. . . . . . . . . . . . .
Special Information . . . . . . . . . . . .
Special Mechanical Seals . . . . . . . . .
Maintenance . . . . . . . . . . . . . . .
Disassembly . . . . . . . . . . . . . . .
Assembly . . . . . . . . . . . . . . . . .
Thrust Bearing Adjustment . . . . . . . .
Installation of Carbon Graphite Bushings .
Pressure Relief Valve Instructions . . . .

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SECTION

TSM 144

PAGE

1 OF 10

ISSUE

E

FIGURE 1
G, GG, H, HJ and HL4195 SERIES
Foot Type Unmounted Pump with Tapped Ports

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.
UNMOUNTED PUMP
Foot Mounted
G4195

HL4195

GG4195

AS4195

H4195

AK4195

HJ4195

AL4195

UNITS
Units are designated by the unmounted pump model numbers followed by a letter(s) indicating drive style.
D = Direct Drive

Flange Mounted
G495

HL495

GG495

AS495

H495

FIGURE 3
G, GG, H, HJ and HL495 SERIES
Unmounted Pump with Tapped Ports

AK495

HJ495

FIGURE 2
AS, AK and AL4195 SERIES
Foot Type