Gauges And Indicator Lights - Toro Reelmaster 335-D Service Manual

Gauges and Indicator Lights

Oil Pressure Light
Oil pressure lamp should come on when the ignition key
switch is in the RUN position with the engine not running
or if the oil pressure switch closes during operation - oil
pressure below 7 psi (0.5 kg/cm
Test the lamp by disconnecting the wire from oil pres­
sure switch and grounding it against the engine. The
light should come on when the wire is grounded with the
ignition switch in the ON position.
Amp Light
The amp light should come on when the ignition key
switch is in the RUN position with the engine not running
or if the charging circuit is not operating properly during
operation.
Test the lamp by disconnecting the wires and applying
12 V.D.C. between the lamp wiring terminals.
Glow Light
The glow light should come on for 5 to 12 seconds after
the ignition key switch is turned ON.
Test the lamp by disconnecting the wires and applying
12 V.D.C. between the lamp wiring terminals.
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Reelmaster 335-D
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Temperature Light
The temperature light should come on only if the high
temperature shut-down switch and relay has stopped
the engine - coolant temperature above 221
Test the lamp and relay by disconnecting the wire from
high temperature shut-down switch and grounding it
against the engine. The light should come on when the
wire is grounded with the ignition switch in the ON
position.
Hourmeter
Test the hourmeter by connecting a 12 volt battery so
the positive (+) battery terminal is connected to the
positive terminal on the hourmeter. Connect the nega ­
tive (–) battery terminal to the negative (–) terminal on
the alternator. The hourmeter should operate as
12 V.D.C. is applied between the terminals.
Temperature Gauge and Fuel Level Gauge
To test a gauge, use a commercial gauge tester. If a
commercial gauge tester is not available, substitute a
new gauge or test the sending unit.
o o
F (105 C).
Testing