Open circuits in the coils of electrical components may
be detected by isolating the coil and checking for conti-
nuity with an ohmmeter or with the unit in series with a
light or bell circuit.
Shorted turns are indicated by a current draw substan-
tially above normal (connect ammeter in series with sus-
pected element and impose normal voltage) or D.C.
resistance substantially below normal. The current
method is recommended for coils with very low D.C.
resistance.
Motor current draw in the stator should be measured
with the rotor in place and running. Brake, relay and
contactor coil current should be measured with the core
iron in operating position.
COILS
HOIST REVERSING
CONTACTOR COILS
HOIST SPEED SELECTING
CONTACTOR COILS
TROLLEY REVERSING
CONTACTOR COILS
HOIST BRAKE COILS
TROLLEY BRAKE COILS
TROLLEY SPEED
SELECTOR
VOLTAGE
115
48
24
115
48
24
115
48
24
**220-240
380-480
575
**220-240
380-480
575
**220-240
380-480 (2 Ton)
575
115
48
24
CURRENT DRAW
(AMPS) AT 60 HERTZ
0.09
0.46
0.49
0.11
0.25
N/A
0.17
0.30
1.00
1.39
0.86
0.39
0.27
0.16
0.09
0.20
0.08
0.06
0.09
0.20
0.47
*D.C. RESISTANCE
(OHMS)
88.4
3.6
3.7
86.8
14.4
N/A
117.3
18.2
4.7
2.4
9.3
14.9
22.8
89.4
143.3
--
--
--
200.00
31.9
8.6
ELECTRICAL DATA
TO DETECT OPEN AND SHORT CIRCUITS
IN ELECTRICAL COMPONENTS
TRANSFORMERS (652-135)
VOLTS
PRIMARY
SECONDARY
208-240/380-480
110-120
208-240/380-480
24
220/380/440
48
550/575
110-120
*D.C. RESISTANCE (OHMS)-LEADS
16-17
18-19
16-18
16-19
R-R
B-B
43.3 48.1 -- -- 7.8 --
41.2 46.1 -- -- 0.4 --
21.9 -- 58.4 71.9 1.4 --
-- -- -- -- 7.6 145.5
24
Содержание Lodestar XL
Страница 4: ...iii ...
Страница 31: ...27 TWO SPEED HOIST ONLY 2 TON TWO SPEED HOIST WITH TROLLEY ...
Страница 32: ...28 3 7 TON SINGLE SPEED HOIST WITH TROLLEY 3 7 TON 2 SPEED HOIST WITH SINGLE SPEED TROLLEY ...
Страница 42: ...39 40 2 TON ANTI TIPPING BRACKET KIT 670 464 ...
Страница 45: ...43 3 THRU 7 TON PLAIN GEARED AND MOTOR DRIVEN TROLLEYS EXPLODED VIEW 29 ANTI TIPPING BRACKET KIT ...
Страница 51: ...49 NOTES ...