Testing
It is often to the technician’s advantage to leave the
components intact in the electrical system, and by
studying the electrical troubleshooting charts and sche-
matics, determine which component is at fault. How-
ever, this section will define given components, and the
tests that can be performed on those components, when
those parts are isolated from the electrical system.
CAUTION
When testing electrical components with a
volt-ohm meter or continuity tester, make
sure that power to the circuit has been dis-
connected.
For accurate resistance and/or continuity checks, elec-
trically disconnect the component being tested from the
circuit.
Ignition Key Switch (Fig. 8)
The ignition (key) switch has three positions (OFF,
START and RUN). The terminals are marked as shown.
POSITION
1. OFF
CONTINUITY AMONG TERMINALS
G + M + A
The circuitry of the ignition switch is shown in the charts.
With the use of a continuity tester, the switch functions
may be tested to determine whether all circuits are being
completed while the key is moved to each position.
2.
RUN
B + L + A
B + L + S
3.
START
Figure 8
Greensmaster® 3100
Page 5 - 9
Testing
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
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| Wikipedia's Page | Toro Company |
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