Hale 4DK Series - Manual (Page 3)

4D Series Pumps
Manual p/n: 029-0020-79-0 3
Contents
SECTION 1 INTRODUCTION ....................................................................................................... 7
OVERVIEW ..................................................................................................................................... 7
PRINCIPLES OF OPERATION ...................................................................................................... 7
Centrifugal Force ..................................................................................................................................... 7
Figure 1: Centrifugal Force .............................................................................................................. 7
Figure 2: Impeller Operation ............................................................................................................ 8
Self-Priming ............................................................................................................................................. 8
Pump Operation ...................................................................................................................................... 8
Cavitation ............................................................................................................................................. 9
PUMP COMPONENTS ................................................................................................................... 9
Pump Body .............................................................................................................................................. 9
Impeller .................................................................................................................................................. 10
Clearance Rings .................................................................................................................................... 10
Figure 3: Mechanical Seal Parts .................................................................................................... 10
Bearings ................................................................................................................................................ 10
Mechanical Seal .................................................................................................................................... 10
PUMP DRIVES.............................................................................................................................. 10
SECTION 2 OPERATING PROCEDURES ................................................................................. 11
OVERVIEW .................................................................................................................................... 11
OPERATING PROCEDURES ........................................................................................................ 11
Shifting .................................................................................................................................................. 11
General Operation ................................................................................................................................. 11
Figure 4: In-Cab Pump Shift Control .............................................................................................. 12
Emergency Pump Shift Procedures ...................................................................................................... 13
Post Operation Procedures ................................................................................................................... 14
SECTION 3 PREVENTIVE MAINTENANCE .......................................................................... 15
AFTER EACH USE ....................................................................................................................... 15
WEEKLY ....................................................................................................................................... 15
MONTHLY ..................................................................................................................................... 15
ANNUALLY ................................................................................................................................... 15
Gear Box – Oil Change ......................................................................................................................... 15
Figure 5: Recommended Oils ........................................................................................................ 15
Figure 6: Sight Level Gauge/Lubrication ........................................................................................ 15
Speed Counter – Lubrication ................................................................................................................. 16
Pump Shift Warning Indicator Lights ..................................................................................................... 16
SECTION 4 TROUBLESHOOTING ............................................................................................ 17
Pump Will Not Engage .......................................................................................................................... 17
Pump Loses Prime or Will Not Prime .................................................................................................... 17
Insufficient Pump Capacity .................................................................................................................... 18
Insufficient Pressure .............................................................................................................................. 18