Daedong DSC48, Workshop Manual

Page: 242 / 290

4.2.5 Output stop of shallow and deep feed-
ing motors ..................................... 7-21
4.2.6 Motor protection ............................ 7-21
4.3 Wiring diagram ...................................... 7-22
4.4 Checking normal operation .................... 7-23
4.5 Troubleshooting ..................................... 7-24
4.6 Removal of feeding depth control motor and
limit switch ............................................. 7-25
4.6.1 Removal of feeding depth control mo-
tor ................................................. 7-25
4.6.2 Feeding depth control motor and limit
switch ............................................ 7-25
5. POWER STEERING FUNCTION .......... 7-26
5.1 Overview ................................................ 7-26
5.2. Lifting and lowering the reaping unit ..... 7-27
5.3 Turning and cornering ............................ 7-28
5.4 Wiring diagram ...................................... 7-29
5.5 Checking normal operation .................... 7-29
5.6 Troubleshooting ...................................... 7-30
5.6.1 Problems involved with lifting and low-
ering reaping unit .......................... 7-30
5.6.2 Problems involved with turning and
cornering ....................................... 7-31
6. SELF-DIAGNOSIS ................................ 7-32
6.1 Overview ................................................ 7-32
6.2 Control .................................................... 7-32
7. ELECTRICAL SYSTEM ........................ 7-33
7.1 Checking each part ............................... 7-33
7.1.1 Checking automatic engine stop relay
...................................................... 7-33
7.1.2 Checking starter ........................... 7-33
7.1.3 Checking feeding depth control motor
...................................................... 7-33
7.1.4 Checking engine stop motor ......... 7-34
7.1.5 Checking fuel gauge unit .............. 7-34
7.1.6 Flasher unit resistance (S) ............ 7-34
7.1.7 Checking vehicle speed (rotary) sen-
sor ................................................. 7-35
7.1.8 Checking electronic pick up sensor
...................................................... 7-35
7.1.9 Checking grain sensor (grain switch)
................................................... 7-35
7.1.10 Checking grain sensor ............... 7-36
7.1.11 Checking No. 1 and No. 2 sensors
(cushion switch) ......................... 7-36
7.1.12 Checking shift lever switch ......... 7-36
7.1.13 Checking ignition switch ............. 7-37
7.1.14 Checking threshing switch ......... 7-37
7.1.15 Checking safety switch .............. 7-37
7.1.16 Checking manual switch (AFC) .. 7-38
7.1.17 Checking automatic feeding depth
control switch (AFC) ................... 7-38
7.1.18 Checking oil switch .................... 7-38
7.1.19 Checking feeding depth control stop
switch ......................................... 7-39
7.1.20 Checking slow blow fuse ............ 7-39
7.1.21 Checking buzzers (front and rear)
................................................... 7-39
7.1.22 Checking lights and turn signal
switch ......................................... 7-40
7.1.23 Lever switch 2 (reaping unit up/down
lever) .......................................... 7-40
7.1.24 Lever switch 1 (turning left/right le-
ver) ............................................. 7-40
8. COMPONENTS BY MALFUNCTION .... 7-43
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