Viking Pump TSM270.1: RL 16 and 25 Standard - Manual

TECHNICAL SERVICE MANUAL
VIKING PUMP, INC. • A Unit of IDEX Corporation •
Cedar Falls, IA 50613 USA
SECTION TSM
PAGE
ISSUE
CONTENTS
Introduction 1
Safety Information 1
Exploded Parts View 2
Parts Description 3
Torque Specifications 3
Special Information 4
Maintenance 4
Suggested Repair Tools 4
Mechanical Seal Information 5
Disassembly 7
Bearing Housing Information 8
End Clearance Adjustment 8
Assembly 9
Installation of PEEK® Bushings 10
Warranty 11
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. When
ordering repair parts always give a complete name of part,
part number and material with the model number and serial
number of pump. The unmounted pump or pump unit model
number and serial number are on the nameplate. This
manual deals only with Viking Industrial Rotary Lobe Pumps.
Specifications and recommendations are listed in Catalog
Section 270.
UNMOUNTED PUMP AND UNIT MODEL NUMBERS
270.1
1
B
DANGER!
Incorrect installation, operation or maintenance of
equipment may cause severe personal injury or
death and/or equipment damage.
This information must be read fully before begin-
ning installation, operation or maintenance and
must be kept with the pump. It is suggested that
suitably trained or qualified persons perform all
installation and maintenance procedures.
UNMOUNTED PUMP UNITS
PACKED MECHANICAL SEAL
Units are designated by the
un-mounted pump model
numbers followed by a
letter indicating the drive
style.
R = Viking Speed Reducer
P = Commercial Speed
Reducer
RL0167
RL0257
RL40167
RL40257
FIGURE 1
DANGER !
Before opening any Viking pump liquid chamber
(pumping chamber, reservoir, etc.) be sure:
1. That any pressure in the chamber has been
completely vented through the suction or
discharge lines or other appropriate openings or
connections.
2. That the driving means (motor, turbine, engine,
etc.) has been “locked out” or made non-
operational so that it cannot be started while work
is being done on pump.
3. That you know what liquid the pump has been
handling and the precautions necessary to safely
handle the liquid. Obtain a material safety data
sheet (MSDS) for the liquid to be sure these
precautions are understood.
4. That the timing gearbox to cool before handling
the pump. The oil will become very hot during
normal operation. Allow the timing gearbox oil.
Failure to follow above listed precautionary mea-
sures may result in serious injury or death. PEEK®- Registered trademark of Victrex PLC
INDUSTRIAL ROTARY LOBE PUMP
STANDARD MODELS RL0167, 40167, 0257, 40257