BJM Pumps LWA75H-575T - Manual (Page 3)

TABLE OF CONTENTS
INTRODUCTION ............................................................................................................................................................ 4
SAFETY ......................................................................................................................................................................... 4
INSPECTION ................................................................................................................................................................. 5
PRE-INSTALLATION INSPECTION ......................................................................................................................... 5
OIL FILL QUANTITY/TYPE ....................................................................................................................................... 5
PUMP INSTALLATION ............................................................................................................................................. 6
POSITIONING THE PUMP ....................................................................................................................................... 6
PUMP ROTATION .................................................................................................................................................... 7
PUMP OPERATION ....................................................................................................................................................... 8
TYPICAL MANUAL DEWATERING INSTALLATION ..................................................................................................... 8
STOPPING ................................................................................................................................................................ 9
TYPICAL AUTOMATIC DEWATERING INSTALLATION .............................................................................................. 9
STOPPING .............................................................................................................................................................. 10
INTENDED METHODS OF CONNECTION ................................................................................................................. 10
SINGLE & THREE PHASE WIRING INSTRUCTIONS ........................................................................................... 10
TROUBLE SHOOTING ................................................................................................................................................ 12
PUMP WILL NOT RUN ........................................................................................................................................... 12
PUMP RUNS BUT DOES NOT DELIVER RATED CAPACITY ............................................................................... 12
SERVICING YOUR SUBMERSIBLE PUMP............................................................................................................ 13
MAINTAINING YOUR PUMP .................................................................................................................................. 13
CHANGING SEAL OIL ............................................................................................................................................ 14
DISASSEMBLY/ASSEMBLY PROCEDURE FOR LWA TO REVIEW/REPLACE THE MECHANICAL SEAL ........ 14
EXPLODED VIEW LWA1500 & 2200 .......................................................................................................................... 16
EXPLODED VIEW LWA15, 22 ..................................................................................................................................... 17
EXPLODED VIEW LWA37 ........................................................................................................................................... 18
EXPLODED VIEW LWA55 ........................................................................................................................................... 19
EXPLODED VIEW LWA55H ........................................................................................................................................ 20
EXPLODED VIEW LWA75 ........................................................................................................................................... 21
EXPLODED VIEW LWA75H ........................................................................................................................................ 22
LWA SERIES PARTS LIST .......................................................................................................................................... 23
SINGLE PHASE WIRING DIAGRAM 230V ................................................................................................................. 25
THREE PHASE WIRING DIAGRAM 230V DUAL VOLTAGE ...................................................................................... 26
MODELS LWA15-75H ........................................................................................................................................ 26
THREE PHASE WIRING DIAGRAM 460V DUAL VOLTAGE ...................................................................................... 27
MODELS LWA15-75H ........................................................................................................................................ 27
WARRANTY AND LIMITATION OF LIABILITY ............................................................................................................ 29
START-UP REPORT FORM ........................................................................................................................................ 30
NOTES: ........................................................................................................................................................................ 33