Table Of Contents - Hitachi PN-150BE Manual

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
Copyright 2019
PN-150BE Biased High Efficiency Vital Relay

Table of Contents

SM 4551L, Rev. 0 1, March 2019 iii