Toro Reelmaster 5100-D - High Temperature Shut-Down Switch; Temperature Gauge Sender

High Temperature Shut-Down Switch
l l i
i
l
o o
1
2
1. Lower the coolant eve n the engine and remove the
high temperature shut-down switch (Fig. 23).
2. Put the switch in a container of o l with a thermometer
and heat the oil (Fig. 24).
3. The switch is normally open (NO) and should c ose
at 226 - 237 F (108 - 114 C).
Handle hot oil with special care to prevent
personal injury or fire.
Figure 23
CAUTION
1. High temperature shut-down switch
2. Temperature gauge sender
Figure 24
Temperature Gauge Sender
1. Lower the coolant level in the engine and remove the
temperature gauge sender (Fig. 23).
2. Put the switch in a container of oil with a thermometer
and heat the oil (Fig. 25).
3. With an Ohm meter connected as shown, the follow-
ing resistance readings should be indicated.
90.5 - 117.5 ohm at 160
o
F (70
o
C)
21.3 - 26.3 ohm at 207
o
F (115
o
C)
Handle hot oil with special care to prevent
personal injury or fire.
CAUTION
Figure 25
Testing Page 5 - 26 Reelmaster
®
5100-D