OM Pimespo Electric towtractor T200 Type 370 Service Training Manual – PDF DOWNLOAD
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OM Pimespo Electric towtractor T200 Type 370 Service Training Manual – PDF DOWNLOAD
Language : English
Pages : 119
Downloadable : Yes
File Type : PDF
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DESCRIPTION:
OM Pimespo Electric towtractor T200 Type 370 Service Training Manual – PDF DOWNLOAD
3.1.1 TRACTION MOTOR – DESCRIPTION
The traction motor used on the model P200 family 370 tow tractor is a totally enclosed unit, force ventilated by an external fan unit. It is a single series field DC motor, with the armature connections marked ‘A’ and ‘AA’ and the field connections marked ‘Y’ and ‘YY’. Motor reversal is achieved by using a pair of contactors to reverse the connections to the motor field. Brush wear indicators are fitted as standard, the indication of low brush wear being given on the Curtis 804 meter. A thermal switch is also fitted, which controls the operation of the external cooling fan. The motor is rated at 67 volts; 230 amps.; developing 13.4 kW at 1080 rpm . (1 hour rating).
TABLE OF CONTENTS:
OM Pimespo Electric towtractor T200 Type 370 Service Training Manual – PDF DOWNLOAD
3 1 0 TRACTION MOTOR/ DRIVE AXLE ASSEMBLY 1
3 1 1 TRACTION MOTOR – DESCRIPTION 1
3 1 1 1 TRACTION MOTOR – REMOVAL 2
3 1 1 2 CHECKING/ RENEWING THE TRACTION MOTOR BRUSHES 3
3 1 1 3 TRACTION MOTOR – REFITTING 4
3 1 2 TRACTION MOTOR COOLING FAN – REMOVAL 4
3 1 2 1 CHECKING THE BRUSHES – TRACTION MOTOR COOLING FAN MOTOR 5
3 1 2 2 TRACTION MOTOR COOLING FAN MOTOR- RE-ASSEMBLY 5
3 1 2 3 TRACTION MOTOR COOLING FAN – REFITTING 5
3 2 0 DRIVE AXLE ASSEMBLY 1
3 2 1 REAR SUSPENSION ASSEMBLY 2
3 2 2 DRIVE AXLE AND SUSPENSION – REMOVAL 3
3 2 2 1 DRIVE AXLE AND SUSPENSION – INSPECTION 4
3 2 2 2 DRIVE AXLE AND SUSPENSION – REFITTING 4
3 3 0 CAB DOOR 1
3 3 1 CAB DOOR – REMOVAL • 2
3 3 2 CAB DOOR – REFITTING 2
3 4 0 POWER STEERING ASSEMBLY 1
3 4 1 POWER STEERING SYSTEM – DESCRIPTION 2
3 4 2 STEERING COLUMN – REMOVAL 2
3 4 2 1 STEERING COLUMN – REFITTING 3
3 4 3 STEER AXLE 4
3 4 3 1 STEER AXLE AND SUSPENSION – DESCRIPTION 5
3 4 3 2 STEER AXLE AND SUSPENSION – REMOVAL 5
3 4 3 3 DISMANTLING OF THE FRONT SUSPENSION – AXLE REMOVED 6
3 4 3 4 RE-ASSEMBLY OF THE AXLE AND SUSPENSION 6
3 4 4 ADJUSTMENT/ ALIGNMENT OF STEERING GEOMETRY 7
3 4 5 STEER CYLINDER 8
3 4 5 1 STEER CYLINDER- REMOVAL 9
3 4 5 2 STEER CYLINDER – REFITTING 9
3 4 5 3 DISMANTLING THE STEER CYLINDER 9
3 4 5 4 STEER CYLINDER – SEAL REPLACEMENT 1 O
3 4 5 5 STEER CYLINDER RE-ASSEMBLY 10
3 4 6 POWER STEER PUMP/ MOTOR ASSEMBLY – DESCRIPTION 11
3 4 6 1 POWER STEER PUMP/ MOTOR ASSEMBLY – REMOVAL 11
3 4 6 2 POWER STEER PUMP/ MOTOR ASSEMBLY – DISMANTLING 11
3 4 6 3 POWER STEER PUMP/ MOTOR ASSEMBLY- RE-ASSEMBLY 12
3 4 7 POWER STEERING PUMP – DESCRIPTION 13
3 4 7 1 POWER STEERING PUMP- DISMANTLING/ SERVICING 13
3 4 7 2 POWER STEERING PUMP RE-ASSEMBLY 14
3 4 8 POWER STEERING PUMP MOTOR – DISMANTLING 15
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3 6 13 REGENERATIVE ELECTRICAL BRAKING 20
3 6 14 THE MAIN POWER CIRCUIT 22
3 6 14 1 CIRCUIT EXTRACTS 24
3 6 14 1 1 THE THYRISTOR CHOPPER CIRCUIT 24
3 6 14 1 2 CAPACITOR C1 CHARGING 25
3 6 14 1 3 REVERSAL OF CHARGE ON CAPACITOR C1 26
3 6 14 1 4 MOTOR CURRENT FLOWING 27
3 6 14 2 REGENERATIVE BRAKING – POWER CIRCUIT 28
3 6 14 2 1 INITIALISATION 28
3 6 14 3 CHOPPER CIRCUIT ‘ON’ 30
3 6 14 4 CHOPPER CIRCUIT ‘OFF’ 32
3 6 15 THE TRANSDUCTOR – INTRODUCTION 34
3 6 15 1 THE CONTROL MAGNET 34
3 6 15 2 THE LOAD WINDING 34
3 6 15 3 TRANSDUCTOR – SUMMARY OF OPERATION 35
3 6 15 3 1 INITIAL ACCELERATOR CONTROL MOVEMENT 35
3 6 15 3 2 MINIMUM PULSE RATE 35
3 6 15 3 3 ACCELERATION 35
3 6 15 3 4 MAXIMUM PULSE RATE 35
3 6 16 REGENERATIVE AND INCHING TRANSDUCTOR 36
3 6 17 PRINTED CIRCUIT BOARDS 38
3 6 17 1 INTRODUCTION 38
3 6 17 2 INTERCONNECTING BOARD 38
3 6 17 2 1 INTERCONNECTING PRINTED CIRCUIT BOARD MULTI PIN
CONNECTOR DETAILS 40
3 6 17 3 TRACTION CONTROL BOARD 42
3 6 17 4 REGENERATION AND INCHING BOARD 44
3 6 17 4 1 REGENERATIVE BRAKING – ADJUSTMENT 44
3 6 17 4 2 REMOTE INCHING -ADJUSTMENTS 46
3 6 17 5 FIELD DIVERT BOARD (OPTIONAL) 46
3 6 17 5 1 FIELD DIVERT – ADJUSTMENT 46
3 6 18 POWER STEERING ( P S O D) 48
3 6 19 ACCELERATOR LINKAGE – ADJUSTMENT 49
3 6 20 THE TRANSDUCTOR ASSEMBLY – SWITCH ADJUSTMENT 51
3 6 21 THE TRANSDUCTOR – POLE PIECE ADJUSTMENT 52
3 6 22 FAIL TO SAFE TEST 52
3 6 23 CURRENT LIMIT – ADJUSTMENT 52
3 6 24 POWER SEMICONDUCTORS 53
3 6 25 INSTALLATION PROCEDURE – DIODES 53
3 6 26 INSTALLATION PROCEDURE – THYRISTORS 54
3 6 27 DIRECTION CONTACTOR ASSEMBLY (CON1 & CON2) 55
3 6 27 1 DIRECTION CONTACTOR ASSEMBLY (CON1 & CON2) –
REPLACING THE CONTACTS 56
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