TM 5-6115-593-12
TO 35C2-3-463-1
Meter M2 should read 200°F (93°C)
±4 percent.
(5)
Disconnect all test equipment and reconnect
lead of step (1).
i.
Test of ENGINE OIL PRESS meter (15,
figure 4-21).
(1)
Disconnect
negative
lead
from
ENGINE OIL PRESS meter M1.
(2)
Connect one end of a precision (±1
percent) 120-ohm resistor to open
terminal of meter M1.
(3)
Connect positive side of 24V DC
source to the resistor connected to the
positive terminal of meter M2.
(4)
Connect
open
end
of
precision
resistor to minus side of 24V DC
source. Meter M1 should read 80 psi
+4 percent.
(5)
Disconnect all test equipment and
reconnect lead to step (1).
j
Test of WATER TEMP meter (17, figure 4-
21).
(1)
Disconnect
negative
lead
from
WATER TEMP meter M3.
(2)
Connect one end of precision (+1
percent) 97.6-ohm resistor to open
terminal of meter M3.
(3)
Connect positive side of 24V DC
source to the resistor connected to the
positive terminal of meter M3.
(4)
Connect
open
end
of
precision
resistor to minus side of 24V DC
source. Meter M2 should read 280°F
(1390C) +4 percent.
(5)
Disconnect all test equipment and
reconnect lead to step (1).
k.
Test of FUEL LEVEL meter (33, figure 4-
21).
(1)
Disconnect negative lead from FUEL
LEVEL meter M4.
(2)
Connect one end of precision (+1
percent) 30-ohm resistor to open
terminal of meter M4.
(3)
Connect positive side of 24V DC
source to positive terminal of meter
M4.
(4)
Connect
open
end
of
precision
resistor to minus side of 24V DC.
Meter M4 should read F (full); meter
pointer should be over some part of
letter F.
(5)
Disconnect all test equipment and
reconnect lead to step (1).
l.
Test of AMMETER (12, figure 4-22).
(1)
Disconnect
either
lead
from
AMMETER M102.
(2)
Connect a test AC ammeter (full-scale
reading of 1 ampere) in series with
disconnected lead and open terminal
of meter M102.
(3)
Meter M102 reading should be within
+3 percent of test ammeter reading.
(4)
Disconnect all test equipment and
reconnect lead to step (1).
m.
Test of KW meter (13, figure 4-22).
(1)
Disconnect minus lead from KW
meter M107.
(2)
Observing
polarity,
connect
a
multimeter
(set
to
measure
0-1
milliamp
DC)
in
series
with
disconnected minus lead and open
terminal of meter M107.
(3)
Meter reading should be within +3
percent of multimeter reading.
(4)
Disconnect
test
equipment
and
reconnect lead to step (1).
n.
Test of KVAR meter (14, figure 4-22.
4-69
