Caterpillar NR25KH Lift Trucks Operation & Maintenance Manual - PDF DOWNLOAD

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INDEX 1 2

Introduction .................................................................................................... Specification .................................................................................................. 2.1 Technical specifications ......................................................................... 2.2 Control unit ............................................................................................. 2.2.a Microswitches ............................................................................... 2.2.b Accelerator unit ............................................................................. 2.2.c Other analog control unit ................................................................ 2.2.d Speed feedback ............................................................................

3 3 3 4 4 4 5 5

2.3

Protection features

.......................................................................... 6

2.4 2.5 2.6

Operational features ............................................................................... 7 Diagnosis .............................................................................................. 8 Thermal consideration ............................................................................ 8

2.7

General instructions and precautions

2.8

Susceptibility and electromagnetic emission

2.9

Main contactor and emergency switch .................................................... 9

. .............................................. 8 .................................. 9

.......................................................................... 10

3

Safety and protection

4

Installation .................................................................................................... 11 4.1 Connection cables ............................................................................... 11 4.2 Contactors ........................................................................................... 11 4.3 Fuses ................................................................................................... 11 4.4 Description of connectors - Traction configuration ............................... 12 4.5 Description of connectors - Pump configuration .................................... 15 4.6 Encoder installation .............................................................................. 18 4.7 Description of power connections......................................................... 19 4.8 Mechanical drawing ............................................................................. 20 4.9 Connection drawing - Traction configuration ......................................... 21 4.10 Connection drawing - Pump configuration ............................................ 22 4.11 Connection drawing - Combi configuration ........................................... 23 Programming & Adjustments using Digital Console ................................ 24 5.1 Adjustments via Console ...................................................................... 24 5.2 Description of Console & Connection ................................................... 24 5.3 Description of Standard Console Menu ................................................ 25 5.3.a Traction configuration .................................................................. 25 5.3.b Pump configuration ...................................................................... 26 5.4 Function configuration .......................................................................... 27 5.4.a Traction ....................................................................................... 27 5.4.b Pump .......................................................................................... 31 5.5 Parameter regulation: Traction configuration ........................................ 37 5.6 Parameter regulation: Pump configuration ............................................ 39 5.7 Programming console functions ........................................................... 41 5.8 Sequence for Ac Inverter Traction setting .............................................. 42 5.9 Tester: description of the function; Traction configuration ...................... 43

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