1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

47

48

49

50

51

52

53

54

55

56

57

58

59

60

61

62

CB1

X1 X2

A

480V

CB215 TR

100 FR

70H

400FR

300TR

LS1

ST

N.C. HELD OPENBY CABLE/WEIGHT

104

105

106

107

108

109

110

111

112

113

114

115

116

117

120

121

122

123

124

125

126

127

128

130

131

132

133

137

138

141

142

143

144

145

146

147

148

152

154

155

156

159

161

162

480V

X1CB7-20A

X1

CB8-20A

CB9-20A

CB7-20A

CB8-20A

CB9-20A

X2

X2

A2 A2A B2A B2M

LT1

LT2

A3 A3A

A4

B3

B4

SW1

RY2

119

RY1

BL1

204

207

208

209

210

211

212

213

214

215

216

219

226

227

228

229

230

232

233

234

235

236

237

238

239

245

246

247

248

249

250

252

TO

SHT

2

258

231

RY2

RY1

L93

L92

L67

L65

L25

L24

L2

L1

L93 L93

58

L67

L24

L25

L7

L6

L22

L21

L2

L1

55

L92L92

L1

L2

L25

L24

L67

RY1

RY2

L65

L92 L93

SPEED

VOLTS

GAIN

-

+

-

+

26NEGA

26

NEG

100

ACACACAC

83

L22

L21

L2 L1 S1 S2 X1

X2

S1 S2 X1

X2

81

82

199

20

0

20

2

H2

H1

H1

H2

AH

AH

BH

LEFTREACTOR

RIGHTREACTOR

SERIESTRANSF

LIMITERSUPPLY TRANSF

253

254

255

256

243

244

225FR

CB4

OL2

M1

43AH

43BH

43CH

+

-

L1H

L2H

L3H

L2H

L1H

205

26 NEG A

REFERENCE:

FAIL SAFE

SCHEMATIC

PICTORIAL

INSTALLATION DRAWING 401-7749

401-6227

401-6247

175TR

BRK1

REACTORS

NOTES:

* OPTIONAL

2) TROLLER SHUNT FIELD MUST BE IN SERIES

CB6-25A CB6-25ASW1

S1

RS2

118

129

X2X1CB10-20A CB10-20A

TACH

257

ACAC

+

-

T8

RECT 4

PSS1

POLARITY SENSITIVE SWITCH243,245

198AH

UP

DN

1

2

3

4

50 225W

5

5

10

100W

198H

198H41

198AH

UP LIMIT BYPASS13

198AH 198H2200

1W

198

HR1 HR2

HOOK EXCITATION TRANSFORMER& RECTIFIER

SERIES FIELD REVERSING SWITCH

- + 198BH

42

41

RS1

RS1-UP

RS1-DN

NC

NO

300

48H 49H

20254H

203

50

48H

48H

49H

49AH

L24

HOOK(S)28VDC CONTROLS

X2 X4

12W

41R PSS1A

CR3

243,127,127,136,137

245,128,129,137,136

L7

L6

TACH

49AH

MACHINERY HOUSE LIGHTS

BOOM LIGHT

B

B

BA

B

B

B

B

B

B

B

HOOK FAN RELAY41,41

FAILSAFE CONTACTOR134,134,135,135

B1H

A

A1

11 11A

11 11A

A1

A

A

A1A

73S

B1S

71AB

11S

11S

212

DOWNLIMIT

L1H L2H

55

W-GRID55

BU

D

D

UD C

I

H44

45

58

26POS GM

50H 51H

45

44

2-50 MFD

50 200WFS FS

26POS RM- +

26POS G

58

58

58U

U

D

D26POS R

B D E

55

FS FS

50AH

26NEG

EXC2

EXC1

G1

19

8A

H

A

PSS1

DC1

E

55

55

55

HI 51H

45

26POS GM

26NEG

26POS GM

26NEG

19

8H

5K W

LIMITERPOT

W

L25

L67

HOOKPOTRECT

4X4EXCITER

GEN

HOOK UPLIMIT DIODEAND RELAY

L7

L24

157

A5

240

241

242

CONTROLPOWER

TRANSF - 5KVA 120VAC

HOOK MGSET

205

206

26 POS RM

204

HOOK PWRSW

480V

120V

RY1

RY2

RS1

RS1

RS1

RS1

CR1

DOWN

UP

480V

30V

28VDC

300V 480V

CTR2

CTR2

1) LINE NO'S IN [ ] REFER BACK TO COIL

WITH A 490 OR 1 EACH 145 & 250 RESISTOR

CTR2

RS1

RS1

SH FLD

RS1

RS1

57

SEE NOTE 2

15, 148, 29

CR3

CTR 3

CTR 4

CTR1

S1 [11]

FS

CB1

S3

CTR1

CTR2

CR1

CR1

134

01

01

PCM 120 AS

1 OF 2

1

00

CTR2-[15]

CTR2-[15]

HOOK POT

[17]

490

CTR2-[17]

RS1-[245,243]

RS1-[243,245]

FS-[48]

FS-[48]

RS1-[243]

RS1-[245]

RS1-[245]

HOOK MOTOR FANCR2 - [12]

CR2 CR2

CR1-[19]

CR1

BRAKE

BRAKE

M/G

AC MAIN

HOOK BRAKE228,229,230CR3-[246]

HOOK POWER142,217,218

HOOK UP LIMIT

SWING BRAKE408,409,410

SWING POWER439

C-9 DC GEN.

4 X 4 EXCITER

#5 AC MOTOR

MOTOR FIELD TRANSF/RECTIFER

HOOK MOTOR BRAKE

Over Speed Generator

SHUNT FIELD (MAIN TACH GEN)

[123]

-RELEASE- NL98-622 2-20 JFM

42

20

35

2

4220352

J.MARTIN 2-20-98

-SCHEMATIC-

1/1

PCM 120 AS

R1

R1

ATDH

ATDH-[58]

R2

R3

UPLIMIT

R4

ATDS

BAS

135

136ATDS-[345]

A1AR3

R2RS2

A1AM/G

R4 CONTROL RELAY73S

R4-[32]

151

153

139

140

OL2

BOOM UP RELAY

BOOM CONTROLS

29

BOOM DOWN RELAY

34

SWING M/G START

OL3

EMERGENCY STOP - CB14

OL1

25

M/G START RELAY

12

208,208,208

HOOK CONTROLS

AM1HBM1H

CM1H

11

(RESISTORS NOT REQUIRED FOR SOLIDSTATE POLARITY SENSITIVE SWITCH)

J1 J2

A - PH

B - PH

C - PH

73

73A CR

2

M/G STARTER(3-LEAF SW)

11H

88

88A

89

70B BOOM UP (3-LEAF SW)310,310,310

71B

B1B

89A

ST(213A)

M/G STARTER(3-LEAF)405,406,407

RAY BS

01 NL98-628 3-9 JFMCHG'D CIRCUITRY AT LINE 1,2,3,10,12,22,

23,24,25,27,29,32,34,39,134,207,209,210,211,213

2-24-98RAY

2-24-98BS

BS 2-24-98

AM1

BM1

CM1

BOOM DOWN (3-LEAF SW)310,310,310CR1-[19]

73SA

J3

AHM BHM CHM

BH

AH

224

225

223

221

L1H L2H L3H

FU1

10A/

600V

FU2

10A/

600V

FU3

10A/

600V

+ -

A1A

24V

B110V

+ -

EC

B

ATD

TD1

H

1K 10W

30MFD/50VTD2

AUTOMATIC BRAKE SET MODULE

48AH

TO LINE TO LINE

337 337

HOOK

AUTOMATIC BRAKE SET

13

A

C

D

E

F

G

H

A

C

D

E

F

G

H

B

8 7 6 5 4 3 2 1

8 7 6 5 4 3 2 1

E

REVISIONS

ZONE REV DESCRIPTION ECN DATE CHG CHK APP

LeTourneau, Inc.DATE

PROJ APPROVAL

PROD ENGR

ENGR

CHK

DWN

FIRST USED ON/CONTRACT NO

MATL

UNLESS OTHERWISE SPECIFIED:

THIRD ANGLE PROJECTION

ANGLES %%p1%%195FRACTIONS %%p1/16.XX DECIMAL %%p.03.XXX DECIMAL %%p.015

THIS DRAWING ANDALL DATA THEREINIS THE PROPERTY OFLETOURNEAU, INC.,.IT IS CONFIDENTIALAND MUST NOT BECOPIED. IT IS LOANEDSUBJECT TO RETURNUPON DEMAND AND ISNOT TO BE USED INANY WAY DETRIMENTALTO OUR INTEREST.

MACHINED CORNERS 1/64 X 45%%195WELD PROPERTIES SHALL MEET THEMINIMUM REQUIREMENTS OF THEBASE MATERIAL.

DIMENSIONS ARE IN INCHES & APPLYBEFORE PLATING OR FINISH COATINGS.TOLERANCES ON:

INTERPRET DIM & TOLPER LETOURNEAUSPEC 1650.00. EST WT SHEETSCALE

SIZEDWG NO.

REV

B

480V 315V 315V 175V

27V29V

85V

C-9 DC Motor

0 - 460V

0 - 90V

0 - 15V

18 - 24V

CTR1 [13]

RY1 = TACH OK(OVERSPEED GEN)

RY2 = TRANSISTOR OK(SPD/VOLT LIMITER)

Color for Training

Purposes Only

SPEED/VOLTAGE LIMITER

LIMITER FAILSAFE

-SCHEMATIC-

PCM-120AS

28VDC

RS3-[424]

RS3-[422]

RS3-[422]

D-6 DC MOTOR (VERTICAL)

C-9 DC GEN.

00 -RELEASE--RELEASE- JFM2-202-20NL98-622NL98-622 RAY BS

JFM3-9NL98-628NL98-62801 CHG'D CIRCUITRY AT LINE 301,302,303,307CHG'D CIRCUITRY AT LINE 301,302,303,307

308 THRU 317, 401 THRU 405; ADDED HOOK AND SWING308 THRU 317, 401 THRU 405; ADDED HOOK AND SWING

MOTOR SERIES FIELD REVERSING SWITCH DIAGRAMSMOTOR SERIES FIELD REVERSING SWITCH DIAGRAMS

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

TO

SHT

1

360

361

362

404

405

406

407

408

409

410

411

412

413

414

415

416

417

418

419

420

421

422

423

424

425

426

427

428

429

430

431

432

433

434

435

436

437

438

439

440

441

442

443

444

445

446

447

448

449

450

451

M2

43AS

43BS

43CS

SWING MG SET #5 AC MOTOR

SWING BRAKE

175TR

225FRCB5

L3S

L2S

L1S

+

-

POLARITY SENSITIVE SWITCH422,424

SR1 SR2

AC AC

RECT 5

TRANSF 9

C DR R

L

L

POLARITY SENSITIVE SWITCH(VOLTAGE POLARITY SENSE)

B

58S

58SG2

B D E 55S

55S

55S

50AS50S

51S

H

H I

I

300

12W

48S

49S

49AS

49BS

49S

198S

198AS 54S50

LIMIT SWITCH

OL3

EXC2

LS4

LS5

DC2

RS3 RS3

RS3

RS3

H2H1

X2 X4

PSS2

W2

TR2-SH FLD

GEAR BOX LIMITS WIREDN.O., HELD CLOSED

BRK3

UP

125TR

225FR

T1 T2 T3

OL1

M3

BOOMMOTOR

BOOMBRAKE

BRK2

CB3

48S

198S

19

8S

PSS1

LT

RT

1

2

3

4

50 225W

5

5

10100W

198S

198AS

- + 198BS

RS3

RS3-LT

RS3-RT

NC

NO

41R PSS1A

480V

18 - 24V

CTR4

RIGHT

LEFT

SWING POT

41S

42S

S3 [23]

CTR3 [24]

422,431,432

424,430,430

SEE NOTE 2

490

DOWN RS2 [25,29]

CTR4-[38]

4X4 EXCITER

+ -

A1A

24V

B110V

+ -

EC

B

ATD

TD1

S

1K 10W

30MFD/50VTD2

AUTOMATIC BRAKE SET MODULE

48AS

TO LINE

53

TO LINE

53

FU410A/600V

FU510A/600V

FU610A/600V

27

SWING AUTOMATIC BRAKE SET36

198S

AM2S

BM2S

CM2S

34

A-PH

B-PH

C-PH

AB

BB

CB

AM3

BM3

CM3

AS

BS

CS

AM2

BM2

CM2

AM3B BM3B CM3B

UP

58H

(MOTOR & GEN)

55H

GEN

41

42

W-GRID

UP

DOWN

(MOTOR)D

(MOTOR)B

(MOTOR)C

HOOK MOTOR SERIES FIELD REVERSING SWITCH

(4-LEAF) CONNECTIONS

TOP VIEW

513

514

515

516

517

518

519

520

521

522

523

524

525

526

527

528

529

530

531

532

533

534

535

536

537

538

539

540

541

542

543

544

545

546

547

548

549

550

551

552

553

554

555

556

58

S

(MO

TOR

&G

EN

)

55

SG

EN

W-G

RID

(MO

TOR)D

(MO

TOR)B

(MO

TOR)C

TOP VIEW

(4-LEAF) CONNECTIONS

SWING MOTOR SERIES FIELD REVERSING SWITCH

55H

10 OHM

41

S

42

S

10

OH

M

DOWN

26G 26R

UP42

LEFT

LEFT

RIG

HT

RIG

HT

RIG

HT

LEFT

DOWN

01

01

2 OF 2

24

22

03

52

4220352J.MARTIN

2-20-98 1/1 -

DRAWN

ISSUED

8 7 6 5 4 3 2 1

A

C

D

E

F

G

H

B

A

C

D

E

F

G

H

8 7 6 5 4 3 2 1

REVISIONS

ZONE REV DESCRIPTION ECN DATE CHG CHK APP

B

E DO NOT SCALE

EST WT SHEETSCALE

SIZE DWG NO. REV

30V

0 - 460V

0 - 90V

0 - 15V

Speed Voltage Limiter

Right Reactor 35

Turns No.12

Left Reactor 35

Turns No.12

199

200

83

43B

Right Reactor 1200

Turns No.20

Left Reactor 1200

Turns No.20

X1

X2

H1

H2

X1

H1

H2

X2

Right Reactor 760

Turns No.20

Left Reactor 760

Turns No.20

S1

S2

S1

L68

+

-

Zener

62v

50w

C

B

E

L67

L65

HI

LO

GAIN

1500

1W

500

B3

L92

A

L93

8

L85

L83

L82

L80

L81

55

58

15K

2K

4K

15K

B3

LO

HI

1K

2K

L7

L6

L5

L4

L3

L1

L2B3

43A

43B

B4L21

L22

L24

L23 L25

100

MFD

ZENER

30V

10W

1

12W

50

SPEED

27V

29V

2.7

9000 MFD480V

525V

+

+

-

-

-

+

B3 - 100V 1.5A Bridge

B4 - 100V 6A Bridge

HI

LO

VOLT

C

B

E

Limiter Fail Safe

RY

2

R

25K

RY

1

R

L92

L93

L65

L24

RY1 RY2

L21

L67

22MFD

35V

28V

Ry1

130

11W+VS

Limiter Supply Transformer

L1

L2

12HY

1.8K

20MFD

100V

470

130

11WRy2

Ry1 Ry2

N.O. N.O.

2.7K

1K

10K

In Fail Safe Package

Reactors

1

Tac

hG

ene

rato

r

120v Supply To Fail Safe Contact

12W

L25

BH

L23

28V

28V

L22

AH

PCM 120-AS CRANE ELECTRICAL CHECKOUTHOOK (M/G SET P/N 087-4566)

MAIN & M/G SWS.

BRAKE SWITCH

POT. COMMAND HOOK LOAD

PART DESIGNATION TEST POINT WIRE CODES

RES. OHMS

VOLTS FROM TO AC/DC

AMPS (2)(3) HP

ON SET NEUTRAL IDLE AC MOTOR, #5 L1H-L2H-L3H 480 AC 41ON RELEASED 100% "UP" 50% RATED AC 110 85.3ON RELEASED 70% "UP" 100% RATED AC 165 118.7ON SET NEUTRAL IDLE POT SUPPLY 202-203 22 DC

OPERATOR POTON RELEASED 100% "UP" NO LOAD OUTPUT 48H-49H 15 - 18 DC

4x4 EXCITEROFF GEN. END FLD. 48H-49H 4.3ON RELEASED 100% "UP" NO LOAD ARMATURE 50H-51H 90 - 105 DC

MTR. END FLD.OFF DIMINISH 26POS-26NEG 275.0ON SET NEUTRAL IDLE " 26POS-26NEG 295 DCOFF CONSTANT 197(198H-198AH) 62.0ON SET ANY NO LOAD " 198H-198AH 28 -30 DCON SET NEUTRAL ARMATURE 44-45 140 - 145 DCON RELEASED 100% "UP" NO LOAD " 44-45 35 - 45 DC

TACH GEN.ON SET NEUTRAL FIELD 198AH-RES 1200.0 10 DCON RELEASED 100% "DN" NO LOAD ARMATURE L92-L93 376.0 16 - 18 DC

DC GENERATOR, C-9OFF FLD. (SHUNT) I-H(50AH-51H) 13.0ON REL. (1) 100% OPEN CIRCUIT ARMATURE 55-58 450 - 480 DC

DC MOTOR, C-9OFF FLD. (SHUNT) I-H(44-45) 13.0ON RELEASED 100% "UP" 50% RATED ARMATURE 55-58 400 - 450 DC 140 75

ON RELEASED 70% "UP" 100% RATED " 55-58 400 - 430 DC 200 91

ALWAYS MEASURE RESISTANCES (COLD) WITH ALL POWER "OFF"! CIRCUIT MUST BE DISCONNECTED.

(1) COIL WIRE "11A" DISCONNECTED FROM BRAKE TACKER SO MOTOR BRAKE REMAINS "SET".

(2) HIGHER CURRENTS FOR 100% RATED LOAD ARE "SHORT-TIME" - INTERMITTENT DUTY.

(3) CURRENTS ARE APPROXIMATE OR CALCULATED.

OPERATOR FUNCTION ONE LINE DIAGRAM DWG. 216-6332-02 PCM 120-AS CRANE CHECK (P/N 208-3056)

Page 1 of 2

PCM 120-AS CRANE ELECTRICAL CHECKOUTSWING (M/G SET P/N 087-4566)

MAIN & M/G SWS.

BRAKE SWITCH

POT. COMMAND

HOOK LOAD

PART DESIGNATION TEST POINT WIRE CODES

RES. OHMS

VOLTS FROM TO AC/DC

AMPS (2) HP

ON SET NEUTRAL IDLE AC MOTOR, #5 L1S-L2S-L3S 480 AC 41ON RELEASED 100% "UP" RATED AC 83 28.4

ON SET NEUTRAL POT SUPPLY 198S-198AS 28 - 30 DCOPERATOR POT

ON RELEASED 100% NO LOAD OUTPUT 48S-49S 10 - 12 DC

4x4 EXCITEROFF GEN. END FLD. 48S-A9AS 4.3ON RELEASED 100% NO LOAD ARMATURE 50S-51S 45 - 50 DC

MTR. END FLD.OFF DIMINISH NOT USED 275.0OFF CONSTANT NOT USED 62.0

DC GENERATOR, C-9OFF FLD. (SHUNT) I-H(50AS-51S) 13.0ON REL. (1) 100% OPEN CIRCUIT ARMATURE 55S-58S 450 DC

DC MOTOR, D-6OFF FLD. (SHUNT) I-H(198S-198AS) 4.0ON SET ANY 198S-198AS 28 - 30 DCON RELEASED 100% RATED ARMATURE 55-58 400 - 450 DC 50 29

"

ALWAYS MEASURE RESISTANCES (COLD) WITH ALL POWER "OFF"! CIRCUIT MUST BE DISCONNECTED.(1) COIL WIRE "11S" DISCONNECTED FROM BRAKE TACKER SO MOTOR BRAKE REMAINS "SET".

(2) M/G SET IS THE SAME AS HOOK. SWING POWER REQUIREMENTS ARE LESS THAN HOOK.

OPERATOR FUNCTION ONE-LINE DIAGRAM DWG. 216-6332-02

Page 2 of 2

LeTourneau Inc.

Control Panel

Swing Pot#448

Hook BrakeRelease

#13

AC Main Switch

#10

MG SetSwing

#32

MG SetHook

#10

All StopEmergency

#39

Boom Control Switch #23

Hook Pot#152

Swing BrakeRelease

#36

Return

LeTourneau Inc.

Automatic Brake Set Module

Time DelayBrake Set/Release

Transformer110v to 24v

Transformer Supply Fuses

Brake SetCard

#58

Return

LeTourneau Inc.

Limiter Fail Safe PanelRY1 Light #108

RY2 Light #110

Fail Safe Limiter#110

Fail Safe Switch#135

50MFD Capacitors#133

50ohm Resistor

Return

LeTourneau Inc.

Speed / Voltage Limiter

Speed Adj.#118

Volt Adj.#119

Gain Adj.#121

#118

Return

LeTourneau Inc.

Left / Right Reactor

Right Saturable Reactor#108

Left Saturable Reactor#108

Return

LeTourneau Inc.

Brake & Power Switches

Hook MotorBrake (CTR1)#13/228/229/230

Hook PowerSwitch (CTR2)#17/142/217/218

Return

LeTourneau Inc.

Silicon Rectifier Bridge

Hook PotRectifier Supply

24v#112

Constant FieldSupply 24v

#238

Return

LeTourneau Inc.

TransformersLimiter Supply Transformer 480v x 28v

#108

Motor Field Series TransformerDetermined by Reactors

#108

Motor Field Transformer 480v x 300v#221

24v Transformer 480v x 28v#235

Return

LeTourneau Inc.

Selenium Rectifiers

Series Field RectifierWires 81 / 82

#112

Motor Field RectifierWires 204 / 205

#221

Return

LeTourneau Inc.

Polarity SensorSet Max Open Circuit Voltage

#155/452

Polarity Sensor Switch Resistor#241/420

Series Transformer Load#110

Arc Suppressor Module#242/247#421/426

Polarity Sensitive Switch#241/420

Return

LeTourneau Inc.

“W” Grid

Protects Points of4 Leaf Series Field

Switch#131

Return

LeTourneau Inc.

Diode Reducer

Reduces Number of SeriesField Windings Used During

Breaking#127

Return

LeTourneau Inc.

4 Leaf Switch

Maintains Series FieldPolarity in Both Directions

Controls Diminishing Field26+ / 26-

Hook #127

Swing #430

Maintains Series FieldPolarity in Both Directions

c

LeTourneau Inc.

3 Leaf Switch & Transformer

3 Leaf SwitchStarts MG Set

Hook #208 / Swing #403/404/405

Control Power Transformer 480v x 120v

#7

MG Motor OverloadThermal Switch

Hook #211 / #402/403/404

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LeTourneau Inc.

Circuit Breakers & FusesMotor MG CB 4/5

Hook #205 / Swing #303/304/305

Control Circuit CB2#4

10A 600v FusesHook #213 Swing #409/410/411

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LeTourneau Inc.

Hook M-G Set

4x4(ECX1 / ECX2)

#5 AC Motor(M1)

C9 DC Generator

(G1)

#214

#140

#145

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LeTourneau Inc.

4x4 Exciter GeneratorMotor Shunt Field (EXC2)

#145DC Generator (EXC1)

#145(Hook)

(Swing) DC Generator(EXC2)#439

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LeTourneau Inc.

Tach Generator

Hook Motor Tach Generator

#122 / #249

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LeTourneau Inc.

Swing Limit Switch

Micro Switch

Spring Trip Arm

Slip Disc

Buttons

#444 / #446

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