Clark C500 100 - Page 24

Know Your Truck
OIL PRESSURE
GAUGE
Oil pressure should be
between 20 and 60 PS I
at normal engine oper-
ating speeds. At idle,
pressure should not fall
below 5 PSI. If pres-
sure is low (on some
models indicated by a
dash light) or erratic,
shut down engine until
trouble is located.
WATER
TEMPERATURE
GAUGE
Water temperature
should be about 180°F.
after 10 min. of opera-
tion. If the indicator
registers in the "hot"
zone, turn off engine
until trouble is located.
AMMETER
If the ammeter shows
a continuous high rate
of charge or discharge,
or reads erratically, re-
port trouble to proper
authority.
NOTE: A high charge
rate will be indicated
for a brief time after
engine is started.
HOUR METER
Total engine operating
hours are registered on
the hour meter. The
indicated hours are
used for planned main-
tenance. The total
hours should be record-
ed at the beginning and
end of each shift on
the Operator's Daily
Checklist.
INSTRUMENTS AND GAUGES
Page 20
Code: OI-335 Oct. 73