36
Testing the continuity of contacts
Test equipment
0 to 20 V dc voltmeter
Test the continuity of contacts as follows:
1.
Open the hood.
2.
Remove the protective cover (13), the nut (12)
and the cover (14).
3.
Connect the voltmeter between motor and sole-
noid negative terminals and operate starter
switch.
4.
No voltage indicates a faulty solenoid. Replace
the solenoid.
789M058A
5.
12 V registered but motor fails to operate indi-
cates faulty motor. Replace the starter motor.
6.
12 V registered and motor operates, test the
voltage drop across the contacts.
Testing the voltage drop across the con-
tacts
Test equipment
0 to 20 V dc voltmeter
Test the voltage drop across the contacts as follows:
1.
Connect the voltmeter across the solenoid termi-
nals and operate starter switch.
2.
Voltage across the terminals should be zero, if
more, the solenoid is faulty and must be
changed.
3.
If solenoid is satisfactory, service the starter
motor.
789M059A
Contents
Summary of Contents for Fermec 760
Page 5: ...5 Service Training SECTION 1 MACHINE SPECIFICATIONS Contents ...
Page 10: ...10 Service Training SECTION 2 CAB CONTROLS BASIC ELECTRICAL Contents ...
Page 11: ...11 SERVICE TRAINING Front Dash Controls Contents ...
Page 13: ...13 SERVICE TRAINING Wiring Harness Contents ...
Page 15: ...15 Service Training Older Models Contents ...
Page 17: ...17 Service Training 13 Contents ...
Page 18: ...18 Service Training Contents ...
Page 19: ...19 Service Training SECTION 3 ENGINE Contents ...
Page 30: ...30 789M048A Contents ...
Page 40: ...40 789M065A 789M066A 789M067A 789M068A Contents ...
Page 41: ...41 Service Training SECTION 4 TRANSMISSION Contents ...
Page 42: ...42 Service Training Contents ...
Page 52: ...52 Service Training SECTION 5 BASIC HYDRAULIC SYSTEM Contents ...
Page 55: ...55 33 Contents ...
Page 56: ...55 1 33 Contents ...
Page 61: ...59 Service Training SECTION 6 AXLES STEERING Contents ...
Page 67: ...65 Service Training DANFOSS Contents ...
Page 73: ...71 Service Training SECTION 7 BRAKES Contents ...
Page 83: ...79 Service Training SECTION 8 BACKHOE FUNCTIONS Contents ...
Page 85: ...81 Service Training Contents ...
Page 87: ...83 Service Training Contents ...
Page 89: ...85 Machine Circuit Diagram Backhoe Boom Selected to Raise Service Training Contents ...
Page 90: ...Contents ...
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Page 100: ...96 14 2 6 7 8 9 6 5 1 4 11 10 16 1 15 13 13 12 13 3 Contents ...
Page 101: ...97 Service Training SECTION 9 LOADER FUNCTIONS Contents ...
Page 103: ...99 Service Training Contents ...
Page 104: ...100 Service Training Contents ...
Page 110: ...105 Service Training SECTION 10 SCHEDULED MAINTENANCE Contents ...
Page 111: ...106 Service Training Lubricants and Service Intervals TX760 TX860 TX860SB Contents ...
Page 113: ...Contents ...
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