ARMY TM 9-6115-641-24
AIR FORCE TO 35C2-3-456-12
2-41-2. Testing,
a.
Shut down generator set
b.
Open left side engine access door and disconnect negative battery cable
c.
Release control panel by turning two fasteners and lower control panel slowly.
d.
Isolate generator set VOLTAGE adjust potentiometer by disconnecting wire 156A at terminal 1 and wire 157B
at terminal 2 of AC voltage regulator.
e.
f.
g.
h.
j.
k.
m .
n.
o.
p.
q.
r.
s.
t.
u.
2-41-3.
a.
b.
c.
d.
e.
f.
2-41-1.
a
b
c.
d.
e.
Set multimeter for ohms and connect between terminals Land R of generator set VOLTAGE adjust potentiome-
ter.
Adjust potentiometer until multimeter Indicates 92.7 to 113.3 ohms resistance.
Disconnect multimeter, but do not disturb potentiometer adjustment.
Disconnect and Isolate electrical lead from terminal S of OIL PRESSURE indicator.
Connect jumper wire between disconnected wire 156A and terminal S of OIL PRESSURE indicator.
Connect jumper wire between disconnected wire 157B and terminal G of OIL PRESSURE indicator.
Connect negative battery cable and move MASTER SWITCH to PRIME & RUN position.
OIL PRESSURE indicator should indicate 32 to 48 PSI.
Move MASTER SWITCH to OFF position and disconnect negative battery cable.
Repeat steps e thru g, setting potentiometer between 30.1 and 36.8 ohms.
Connect negative battery cable and move MASTER SWITCH to PRIME & RUN position.
COOLANT TEMP. indicator should indicate 72 to 88 PSI.
Move MASTER SWITCH to OFF position and disconnect negative battery cable.
Replace OIL PRESSURE indicator if it does not function properly.
Remove jumper wires and connect electrical leads to AC voltage regulator and OIL PRESSURE indicator.
Raise and secure control panel.
Connect negative battery cable and close left side engine access door.
Removal.
Shut down generator set.
Open left side engine access door and disconnect negative battery cable.
Release control panel by turning two fasteners and lower control panel slowly.
Tag and disconnect OIL PRESSURE Indicator (22, Figure 2-14) electrical leads.
Remove nuts (19), washers (20), and clamp (21).
Remove OIL PRESSURE indicator (22) from control panel.
Installation.
Insert OIL PRESSURE indicator (22, Figure 2-14) into control panel.
Install clamp (21). washers (20). and nuts (19).
Connect electrical leads and remove tags.
Raise and secure control panel.
Connect negative battery cable and close access door,
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