Relays
The Multi Pro 5700–D uses three (3) relays that are at•
tached to the electric panel under the operator seat. One
of these relays is used to energize the cruise control coil.
The other two relays are used in the spray system in
conjunction with the master boom (foot) switch to turn
the spray booms on and off.
Testing
NOTE: Prior to taking small resistance readings with a
digital multimeter, short the meter test leads together.
The meter will display a small resistance value (usually
86
87A
87
0.5
ohms or less). This resistance is due to the internal
resistance of the meter and test leads. Subtract this val•
ue from from the measured value of the component you
are testing.
85
30
1.
Verify coil resistance between terminals 85 and 86
with a multimeter (ohms setting). Resistance should be
from 70 to 90 ohms.
Figure 34
2.
Connect multimeter (ohms setting) leads to relay ter•
minals 30 and 87. Ground terminal 86 and apply +12
VDC to terminal 85. The relay should make and break
continuity between terminals 30 and 87 as +12 VDC is
applied and removed from terminal 85.
3.
Disconnect voltage from terminal 85 and multimeter
lead from terminal 87.
4.
Connect multimeter (ohms setting) leads to relay ter•
minals 30 and 87A. Apply +12 VDC to terminal 85. The
relay should break and make continuity between termi•
nals 30 and 87A as +12 VDC is applied and removed
from terminal 85.
5.
Disconnect voltage and multimeter leads from the
relay terminals.
Multi Pro 5700–D
Electrical System
Page 5 – 21
| Categories | Lawn Mower Manual, Sprinkler and Irrigation Manuals, Toro Sprinkler and Irrigation Manuals |
|---|---|
| Tags | Toro 5700 D |
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| Document Type | Catalog |
| Language | English |
| Product Brand | Toro. Customer Service Representatives are available by phone:
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| Wikipedia's Page | Toro Company |
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