DELCOTRON INTEGRAL CHARGING SYSTEM
TROUBLESHOOTING
PROCEDURES
(Important: Read page 162 before using this procedure)
With the carbon pile turned off (open-circuited). in-
crease the Integral Charging System speed, observe
the voltmeter, and refer to the OPERATING RANGE
listed in the table below
SYSTEM
RATED
OPERATING
VOLTAGE
VOLTAGE
RANGE
24
28.0
26.0-30.0
If the voltage does not rise above
If the voltage rises above the OPER-
the OPERATING RANGE Increase
ATING RANGE. check the long
the lntegral Charging System speed
regulator lead (Fig 5). or regula-
as required (do not exceed 5000
tor lead (Fig. 6) for tightness If
rpm). and adjust the carbon pile
satisfactory.
as required to obtain maximum
1 On positive ground systems re-
current output Observe the am-
meter
place the regulator and also
check the field coi1 for shorts as
covered in the INTEGRAL
CHARGING SYSTEM DISAS-
SEMBLY section
If the ampere output is within 10
If the ampere output IS not within
percent of the output stamped on
10 percent of the output stamped
2 On negative ground systems
the name plate. but consistent un-
on the name plate. proceed as
check the field coi1 for grounds
dercharge or overcharge IS expe-
follows.
as covered in the INTEGRAL
rienced. check the field coil for
CHARGING SYSTEM DISAS-
grounds and shorts as covered in
a If the output IS below 5 am-
SEMBLY section Replace the
the INTEGRAL CHARGING SYS-
peres, check the field coil as
field coi1 of it is grounded Do
TEM DISASSEMBLY section If
covered in the INTEGRAL
not replace the regulator
grounded replace the coi1 If short-
CHARGING SYSTEM DISAS-
ed, replace both the coi1 and regu-
SEMBLY section if the field
Also check the field coi1 for
lator If satisfactory an adjustment
coi1 IS open. replace only the
shorts If the field coi1 is shorted.
of the voltage setting may correct
field coi1 If the held coil is
replace the field coi1 and the
the undercharged or overcharged
grounded or shorted. replace
regulator
condition as follows
both the field coi1 and the regu-
lator If the field coi1 checks
If the field coi1 checks satisfac-
satisfactorily replace the reg-
torily. replace the regulator
a Remove pipe plug from Integral
ulator
Charging System (Figure 2)
b If the output is five amperes or
b Turn adjusting screw one or
above but not wifhin 10 percent
two notches clockwise to raise
of the amperes output stamped
the voltage setting for an under-
on the name plate. check the
charged battery
field coi1 stator and diodes. as
covered in the repair section.
c Turn adjusting screw one or
repair as required, and then
two notches counterclockwise
recheck the output as covered
to lower the voltage setting for
on page 166
an overcharged battery
d Replace pipe plug
If adjusting the setting does not
correct the undercharged or over-
charged condition. replace the
regulator
[66]
