Komatsu Electric Lift Truck FB15M-2 FB18M-2 GE EV 100M controller 36V Service Manual SM020 – PDF DOWNLOAD

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Komatsu Electric Lift Truck FB15M-2 FB18M-2 GE EV 100M controller 36V Service Manual SM020 – PDF DOWNLOAD

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Komatsu Electric Lift Truck FB15M-2 FB18M-2 GE EV 100M controller 36V Service Manual SM020 – PDF DOWNLOAD

Language : English
Pages : 99
Downloadable : Yes
File Type : PDF
Size: 4.42 MB

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

Komatsu Electric Lift Truck FB15M-2 FB18M-2 GE EV 100M controller 36V Service Manual SM020 – PDF DOWNLOAD

MACHINE MODEL
FB15M-2 FB18M-2
SERIAL No.
9001A and up

1. GENERAL MAINTENANCE
INSTRUCTION ……………….. .
2. CONTROLLER SPECIFICATION
3. LIST OF FUNCTION, EV-100 M
TRACTION CONTROLLER . . . . . . . . . . . . 2
4. MAIN SPECIFICATIONS OF MOTOR
AND SERVICE DATA . . . . . . . . . . . . . . . 3
5. BASICS OF CIRCUIT OPERATIONS . . . . . 4
6. OUTLINE OF CONTROLLER ………. 11
(1) Dimensions ………………… 11
(2) Externa! View . . . . . . . . . . . . . . . . . . . 12
(3) Trimpot Location for EV-100 M
logic Card . . . . . . . . . . . . . . . . . . . . . 13
(4) Traction Contrai Panal …………. 14
(5) Accelerator ………………… 17
(6) Steer Angle Detecting Switch . . . . . . . . . 18
7. HYDRAULIC PUMP OPERATION
(Contactar Type) ……………….. 19
8. DEADMAN HORN ALARM
CIRCUIT ……………………. 20
9. G LOSSARY . . . . . . . . . . . . . . . . . . . . . . . 23
10. ELEMENTARY DIAGRAM SYMBOLS …. 28
11. PROCEDURES FOR REPLACING
CONTROLLER COMPONENT PARTS ….. 30
1) Contrai Card . . . . . . . . . . . . . . . . . . . . 30
2) Stud Semiconductors ………….. 32
3) Capacitar . . . . . . . . . . . . . . . . . . . . . . 32
4) 22FIL, 23FIL, 24FIL and 25 FIL …… 32
5) Reactor/Choke. . . . . . . . . . . . . . . . . . . 36
• SEQUENCE OF OPERAT!ON – ….. – . – – . 37
12. TROUBLESHOOTING INSTRUCTIONS …. 73
1) The Voltage Reading at the
Terminais in Normal Condtion …….. 74
2) AII Testing Should be Done with
Truck Jacked Up . . . . . . . . . . . . . . . . . 78
3) Troubleshooting for the Hydraulic
Contrai with Contactar Type . . . . . . . . . 92
( 1) The voltage reading at the
terminais for PTD and PD wire
in normal conditions . . . . . . . . . . . . 92
(2) Troubleshooting of hydraulic pump
motor ………………….. 93
G) Contactar closes and the pump
motor does not rotate . . . . . . . . 93
® The contactar does not close 93
@ No time delay after the valve
switch open or the contactar
tips chatters . . . . . . . . . . . . . . . 93
4) Troubleshooting for the Horn
Function ………………….. 94
(1) The voltage reading at the terminal
of TMM2 in normal conditions 94
(2) Troubleshooting for the horn
amarm function …………….. 95
G) The horn does not blow when
the horn button is activated ….. 95
® The horn does not blow with
with the condition listed
blow ….. – .. – ………. 95
® The horn blows continuously …. 95
• XXAM TROUBLESHOOTING SYMPTOM
CHART . . . . . . . . . . . . . . . . . . . . . . . . . . 97
5) Other’s Electrical Component Parts ….. 107
( 1) Main SCR contrai card ………. 107
(2) Capacitar 1 C …………….. 1 08
(3) Contactiors F, R, 1A and P ……. 108
(4) Potentiometer module ……•…. 108
(5) Coil driver module ………•… 108
(6) SCR’s (1REC, 2REC, 5REC) ….. -108
(7) Rectifiers (3REC, 4REC, diode
blocks) ………………… 109
(8) Thermal protector …………. 109
(9) Filter block (23FIL, etc.) ……… 110
(10) 1XchokeandreactorT3-T4 ….•. . 113
6) Circuit Diagram ……………… 115

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