4
III OPERATION 32
3.1
3.2
3.3
3.4
3.5
3.6
3.7
3.8
3.9
3.10
3.11
3.12
3.13
3.14
3.15
3.16
3.17
3.18
3.19
3.20
3.21
Technical Data
Effects of Specific Gravity
Effect of Viscosity
Changing the Pump Speed
Net Positive Suction Head (NPSH)
Minimum Continuous Stable Flow
Minimum Flow Control
Control Notes
Thermal Control
Pressure and/or Flow Control
Continuous Bypass Control
Operating Precautions
Pre-Operational Checks
Initial Start Up Procedure
Operating Checks
Normal Start Up
Securing the Pump
General Maintenance
Routine Maintenance
Trouble Shooting
Trouble Shooting Chart
IV LUBRICATION 43
4.1
4.2
4.3
4.4
4.5
4.6
4.7
4.8
Preparing Bearing Housing
Inspection
Replenishment
Oil Change
Lubrication Specification
Trico Oiler Setting
Bearing Housing Oil Fill Capacities
Bearing Housing Oil Limitations
V MECHANICAL SEALS 47
5.1
5.2
Description
Servicing Mechanical Seal
VI MAINTENANCE, DISMANTLING 48
6.1
6.2
6.3
Dismantling – General
Pump Disassembly Instructions
Disassembly of Pull Out Element
VII INSPECTION AND RENEWAL OF PARTS 53
7.1
7.2
7.3
7.4
7.5
7.6
7.7
7.8
7.9
7.10
7.11
7.12
General
Wear Rings (Impeller)
Case Wear Ring (and Casing Cover Wear Ring when Fitted)
Mechanical Seal
Throat Bush (If Fitted)
Bearing Handling Information
Bearing handling
Bearing Installation
Bearing Removal
Bearing Cleaning
Assembly
Torque Value Supplement
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