Hickok 539C - Ballast Tube Testing; Ballast Tube Testing Procedure

TO TEST BALLAST TUBES
1. Turn Tester on.
2. Set
filament switch to BLST.
3. Set
SHORT TEST switch on 5.
4. Set
first selector switch to letter shown in column marked (first selector switch). Set all
numbered selectors on zero.
5. ROTA TE second selector switch. NEON LAMP SHOULD LIGHT IN POSITIONS NOTED.
First Neon Lamp Should Light
TUBE TYPE
Selector
in these positions
1A1-IB1-1C1-1E1-1F1-1G1-1]I-lK1-1V1
E R
1Y1-1Z1
IL1-1N1-1P1-1QI-1R1G-1SIG-1 T1G-1U1G
H
S
2
E R
2UR224
H T Y
2LR212
J
R
S U
3
E R
03G
H T
4-5 E R
6-133
H T
6-6AA-7-8-9 E R
10A-lOAG H T
lOAB
E R
Kl7B-M17C-BM17C
H T Y
M17HG-M17H H R Y
D
S
K23B-K23C H T Y
KX23B
E R
T
KX30C
E R
T
M30H
H
R
Y
D
S
30A-K30A H T
K30D H
S T Y
33A-33AG H T
K34B
H T
Y
36A H
T
K36B-BK36B-L36B-L36C
H T Y
KX36Z E R
KX36C E R T
36D-L36D H
S T
Y
L360T
H
R
S T U Y
K36H -M36H -M36HG
H
R Y
D S
40A1
H
S
L40SI-L40S2
H
S T
V
42A
H T
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