Groundsmaster 4100--D/4110--D Page 5 -- 35 Electrical System
Hour Meter
The hour meter is located on the outside of the console
arm.
Testing
1. Make sure ignition switch is OFF. Remove key from
ignition switch.
2. Disassemble consolearmtogainaccesstothehour
meter (see Console Arm Disassembly in the Service
and Repairs section of Chapter 7 -- Chassis).
3. Connectthepositive(+)terminalofa12VDCsource
to the positive (+) terminal of the hour meter ( Fig. 42).
4. Connect the negative (--) terminal of the v oltage
source to the other terminal of the hour meter.
5. The hour meter should movea 1/10 of an hour in six
minutes.
6. Disconnect voltage source from the hour meter.Re-
connect harness connector to meter.
7. Assembleconsolearm(seeConsoleArmAssembly
inthe Serviceand Repairssectionof Chapter7 -- Chas-
sis).
Figure 42
QUARTZ
Hobbs
HOURS
1
0000
1
10
+
BACK
Audio Alarm
The audio alarm sounds to notify the operator when a
machineproblemexists.Electricalcurrentfor the alarm
is provided as an output from the TEC--5002 controller.
Thealarm is attachedtothe console armnextto theop-
erator seat.
Testing
1. Make sure ignition switch is OFF. Remove key from
ignition switch.
2. Disassemble console arm to gain access to the au-
dioalarm(seeConsoleArmDisassemblyintheService
and Repairs section of Chapter 7 -- Chassis).
3. Disconnect wire harness c onnector from alarm.
IMPORTANT: Make sure to observe polarity on the
alarm terminals when testing. Damage to the alarm
may result from an improper connection.
4. Correctly connect12VDC source tothe alarm termi-
nals (Fig. 43).
5. Alarm should sound as long as 12VDC is connected
to the alarm terminals.
6. Disconnect voltage source from the alarm. Recon-
nect harness connector to alarm.
7. Assembleconsolearm(seeConsoleArmAssembly
inthe Serviceand Repairssectionof Chapter7 -- Chas-
sis).
1. Top view
2. Bottom view
3. Positive (+) terminal
4. Negative (--) terminal
Figure 43
1
2
3
4
Electrical
System
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