PN-150BE Biased High Efficiency Vital Relay
Copyright 2019 SM 4551L, Rev. 0 1, March 2019
iii
Table of Contents
1.
GENERAL INFORMATION ............................................................................................................... 1-1
1.1.
Introduction ............................................................................................................................... 1-1
1.2.
Description ................................................................................................................................ 1-1
1.2.1.
General ......................................................................................................................... 1-1
1.2.2.
Coils .............................................................................................................................. 1-1
1.2.3.
Contacts ........................................................................................................................ 1-1
1.3.
Specifications ............................................................................................................................ 1-1
1.3.1.
Electrical ....................................................................................................................... 1-2
1.3.2.
Mechanical .................................................................................................................... 1-3
2.
INSTALLATION ................................................................................................................................. 2-1
2.1.
General ..................................................................................................................................... 2-1
2.2.
Mounting Base .......................................................................................................................... 2-1
2.3.
RELAY INDELING .................................................................................................................... 2-1
2.4.
RECEPTACLE CONTACT SPRINGS ...................................................................................... 2-2
2.4.1.
Old Style Base Only ...................................................................................................... 2-2
2.4.2.
Improved One Piece Base Only ................................................................................... 2-2
2.4.3.
Installing Wires in Receptacle Contact Springs ............................................................ 2-3
2.4.4.
Base Wiring for Series or Parallel Connected Coils ..................................................... 2-4
2.5.
RELAY INSERTION ................................................................................................................. 2-4
3.
FILED MAINTENANCE ..................................................................................................................... 3-1
3.1.
Introduction ............................................................................................................................... 3-1
3.2.
Periodic Performance Test ....................................................................................................... 3-1
3.2.1.
Cleaning ........................................................................................................................ 3-1
3.2.2.
Service Requirements .................................................................................................. 3-1
4.
SHOP MAINTENANCE ..................................................................................................................... 4-3
4.1.
Introduction ............................................................................................................................... 4-3
4.2.
Cleaning and Inspection ........................................................................................................... 4-3
4.2.1.
Armature Stop Pin Cleaning ......................................................................................... 4-3
4.2.2.
Cleaning Relay Contacts .............................................................................................. 4-4
4.3.
Performance Test ..................................................................................................................... 4-5
4.4.
REPAIRS AND REPLACEMENT ............................................................................................. 4-6
4.4.1.
Disassembly .................................................................................................................. 4-6
4.4.2.
Reassembly .................................................................................................................. 4-6
4.4.3.
General Parts Replacement ......................................................................................... 4-6
4.5.
ADJUSTMENTS ....................................................................................................................... 4-7
4.5.1.
Recommended Tools and Test Equipment .................................................................. 4-7
4.5.2.
Magnet and Magnet Extension ..................................................................................... 4-8
4.5.3.
Permanent Magnet ....................................................................................................... 4-8
4.5.4.
Indicator ........................................................................................................................ 4-8
4.5.5.
Contact Adjustment ...................................................................................................... 4-8
4.5.6.
Permanent Magnet Hold-Down Force ........................................................................ 4-11
4.5.7.
Polarity) ....................................................................................................................... 4-11
4.5.8.
Drop-Away .................................................................................................................. 4-12
4.5.9.
Pick-Up ....................................................................................................................... 4-12
Summary of Contents for PN-150BE
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