Water Temperature Gauge - Toro Z Master Z597 Service Manual

WATER TEMPERATURE GAUGE

Purpose
The purpose of the water temperature gauge is to
monitor the engine coolant temperature.
Location
The water temperature gauge is located on the left side
of the operator on the control panel (Fig. 373).
Fig 373
Z Master 597 Diesel Series Service Manual
How It Works
When the engine water temperature increases the water
sending unit resistance decreases, which cause the
needle on the water temperature gauge readings will
increase (Fig. 374).
Testing
Time-efficient shop testing is not possible. See
information under Temperature Sender Testing, page
DSC-2550
6-15.
ELECTRICAL
Fig 374 DSC-2549
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