Viking pump 124A Series Technical & Service Manual

CONTENTS
Safety Information & Instructions . . . . . . . . . . . . 2
Special Information . . . . . . . . . . . . . . . . . . . 3
Maintenance . . . . . . . . . . . . . . . . . . . . . . 3
Cartridge Mechanical Seal Pumps . . . . . . . . . . . 4
Packed Pumps . . . . . . . . . . . . . . . . . . . . . 6
Disassembly . . . . . . . . . . . . . . . . . . . . . . 6
Assembly . . . . . . . . . . . . . . . . . . . . . . . . 7
Thrust Bearing Adjustment . . . . . . . . . . . . . . . 8
Installation of Carbon Graphite Bushings . . . . . . . . 8
Pressure Relief Valve Instructions . . . . . . . . . . . 9
VIKING PUMP, INC.
TECHNICAL SERVICE MANUAL
UNIVERSAL SEAL HEAVY DUTY PUMPS
SERIES 124A, 4124A, 124AE, AND 4124AE CAST IRON
SERIES 126A AND 4126A DUCTILE IRON
SERIES 127A AND 4127A STAINLESS STEEL
SIZES G, H, HL, AK, AL, K, KK, L, LQ, LL
FIGURE 1
SIZE G
(G4124A shown)
FIGURE 2
SIZES H & HL
(H4124A shown)
FIGURE 3
SIZES AK & AL
(AK4124A shown)
FIGURE 4
SIZES K & KK
(K123A shown)
FIGURE 5
SIZE LL
(LL4126A shown)
•
A Unit of IDEX Corporation
SERIES 123A AND 4123A STEEL
UNMOUNTED PUMP
PACKED MECH. SEAL
G124A G4124A
H124A H4124A
H126A H4126A
H123A H4123A
H127A H4127A
HL124A HL4124A
HL126A HL4126A
HL123A HL4123A
HL127A HL4127A
AK124A AK4124A
AL124A AL4124A
K124A K4124A
K126A K4126A
K123A K4123A
K127A K4127A
KK124A KK4124A
KK126A KK4126A
KK123A KK4123A
KK127A KK4127A
L124A L4124A
L124AE L4124AE
L126A L4126A
LQ124A LQ4124A
LQ124AE LQ4124AE
LQ126A LQ4126A
LQ123A LQ4123A
LQ127A LQ4127A
LL124A LL4124A
LL124AE LL4124AE
LL126A LL4126A
LL123A LL4123A
LL127A LL4127A
INTRODUCTION
The illustrations used in this manual are for identification
purposes only and cannot be used for ordering parts. Obtain
a parts list from a Viking Pump representative. Always give
a complete name of part, part number and material with the
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 (G,
H, HL, AK, AL, K, KK, L, LQ, LL) are combined with series
number (124A, 4124A, 124AE, 4124B, 126A, 4126A, 123A,
4123A, 127A) indicating seal and pump construction material.
This manual deals only with Series 124A, 4124A, 124AE,
4124AE, 126A, 4126A, 123A, 4123A, 127A, and 4127A Heavy
Duty Bracket Mounted Pumps. Refer to Figures 1 through
12 for general configuration and nomenclature used in this
manual. Pump specifications and recommendations are listed
in Catalog Section 630, Heavy Duty Bracket Mounted Pumps,
with Universal Seal Type Bracket.
•
Cedar Falls, IA 50613 USA
SECTION TSM 630
PAGE 1 OF 10
ISSUE J
UNITS
A = Universal Seal Pump
AE = Universal Seal Pump
with larger rotor shaft
(L, LQ, LL only)
Units are designated by the
unmounted pump model numbers
followed by a letter indicating
drive style.
V = V-Belt
D = Direct Connected
R = Viking Speed Reducer
P = Commercial Speed Reducer