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Page 4

Lift Electrical Schematic

NL917-03-025.ai

BK(6)

BK(4)

GN(20)

YL(20)

YL(20)

RD(20)

RD(20)

BU(20)

BK(20)

GN(20)

GN(20)

RD OR GN

BU(16)

GN(20)

GN(20)

GN(20)

PK(20)

WH(20)

WH(20)

GN(20)

GN(20)

GN(20)

GN(20)

LT

. GN / GN(18) 

GN(14)

BK(18)

UP/FOLD

SOLENOID

RD (2) 

PUMP 

RD(14)

CIRCUIT

SENTRY 

(CIRCUIT BREAKER) 

PLATFORM LIGHTS 

(OPTION)

RD(4)

RD(2)

HYDRAULIC

(UP)

M

POWER

STUD

PUMP BODY 

GROUND

PUMP BODY 

GROUND

RD(20)

DOWN

SOLENOID

BRIDGE

SOLENOID

M

BATTERY 

CHASSIS GROUND 

CIRCUIT BREAKER 

CONNECTORS 

JUNCTION

MOTOR 

MICROSWITCH

PRESSURE SWITCH 

DIODE

SWITCH

SOLENOID

SYMBOL 

DESCRIPTION

SOLENOID

NOTE:  ALL WIRES ARE 22 GA.  

UNLESS OTHERWISE NOTED. 

LIFT CONTROL MODULE 

LED

COUNTER

MAGNETIC SWITCH 

LIGHT

BEEPER

DUAL RELIEF 

SOLENOID

INTERLOCK

LED

THRESHOLD

WARNING 

LIGHT

THRESHOLD

WARNING 

BEEPER

ROLL STOP  

RAISED

SENSOR

ROLL STOP 

LATCHED 

SENSOR

NO

NC

C

BU(32)

YL(32)

GN(32)

RD(32)

BK(32)

WH(32)

BU(32) YL(32) GN(32) RD(32) BK(32) WH(32)

GN(20) RD(14)

J3

+

E

S

N

-

00000

SWITCH BOX 

LIFT

6 5 4 3

J2

6 5 4 3

P2

2
2

1
1

2 1

J4

2 1

P4

UP 

DOWN

UNFOLD

FOLD

4 3

4 3

5

5

6

6

1 2

J9

1 2

P9

2

1

2

1

1

2

1

2

BK(20) BU(16) RD(20) BN(20) WH(20) PK(20)

1 6

J8

1 6

P8

2

3

2

3

4

4

5

5

2 1

P6

2 1

J6

J13

4 3

4 3

5

5

6

6

5

6

8

3

4

2

GN(20)

GN(20)

RD(18)

RD(20)

BK(18)

BK(18)

BK(18)

WH(20)

BK(18)

RD(18)

BK(18)

BK(24 GA COPPER) 

BK(24 GA COPPER)

BK/WH(24 GA SILVER) 

BK/WH(24 GA SILVER) 

BK(18)

GY/RD(18)

BK(20)

BK(20)

GY/RD(18)

2 1

J7

2 1

P7

3

4

4

3

1 2

1 2

1 2

1 2

BK(18)

RD(18)

BK(20)

RD(20)

RD(18) BK(18)

WH(20)

GN(20)

13

15

4

14 7 12 10 11  17 8 9

18

J5

13

15

4

14 7 12 10 11  17 8 9

18

P5

P28

J28

P16

J20

P20

J20

P20

J16

P16

J16

1 2

1 2

P32

J32

6

6

5

5

16

16

3

3

1

1

2

2

WH BU BK

2

3

2 3

1

1

BU(20)

BK(20)

OR(20)

3

2

2 3

1

1

J25

P25

J26

P26

P27

YL(26)

RD(26)

GN(26)

RD

OR

GN

2

3

1

P27

J27

2

3

1

J27

YL(26)

RD(26)

GN(26)

WH

BU

BK

2

3

1

P26

2

3

1

J26

BRIDGE

MICROSWITCH

MAGNET

N

S

N

S

N

S

FRONT PUMP 

ONLY 

MAGNET

OR

RD

GN

YL(26)

RD(26)

GN(26)

IB RAISED 

SENSOR

THRESHOLD

SENSOR

2
3

2

3

1

1

MAGNET

WH(20)

WH(20)

VT(20)

VT(20)

OR(20)

OR

OR

RD

GN

2

1

2

1

NO

NC

C

BU(16)

BU(16)

BU(16)

RD

RD

BK

BK

GN

GN

WH

WH

BK

RD

WH

GN

MAGNET

LIFT POWER SWITCH 

1 2

1 2

J15

P15

1

2

1

2

P15

J15

5

6

7

7

8

3

4

2

1

1

P13

BK

RD

PRESSURE

SWITCH

GN

BK GN

BK

BK

RD

RD

RD

ROTARY 

POSITION

SENSOR

FLOOR LEVEL 

MEMORY SET 

PUSH BUTTON 

COUNTER

GN

RD

RD

J30

BK

BK

RD

POS.+

E

NEG. - 

RD

BK

BK

GN

GN

3

12

2

6 5 4

1

7 8 9 10 11 

3

12

2

6 5 4

1

7 8 9 10 11 

P3

C

E

F

C

D

D

B

B

E

F

00000

C1

WH

BK

IB OCCUPANCY 

MICROSWITCH

WH

BK

NO

NC

C

RD(20)

NC

GN(20)

INTERLOCK

J21

8

9

P21

6

7

5

2

3

4

1

8

9

6

7

5

2

3

4

1

GY/RD(18)

BK(20)

BK(20)

WH(20)

WH(20)

BK(20)
RD(20)

RD(20)

GN(20)

YL/LT. BU(20) 

VEHICLE SECURE SIGNAL  

GY/RD(18)

LIFT STOWED SIGNAL 

1

2

1

2

3

4

3

4

J31

P31

C5

STOW INTERLOCK (+)  

MICROSWITCH

NO

NC

C

GN(20)
WH(20)

C6

STOW INTERLOCK (-)  

MICROSWITCH

NO

C

 (+12V OUTPUT) 

 (GROUND) 

OR

(+12V INPUT) 

ROTARY POSITION SENSOR 

Summary of Contents for NL Millennium 02 Series

Page 1: ...school buses and multi purpose passenger vehicles other than motor homes with a gross vehicle weight rating GVWR that exceeds 4 536 kg 10 000 lb CA HZg Zh CA HZg Zh Public Use Wheelchair Lifts 02 Ser...

Page 2: ...Y THE CARRIER AT ONCE WITH ANY CLAIMS 4WO WARRANTY REGISTRATION CARDS SHOWN RIGHT ARE LOCATED IN THE LIFT MOUNTED MANUAL STORAGE POUCH 4HE SALES REPRESENTATIVE MUST PROCESS ONE OF THE CARDS 4HE CONSUM...

Page 3: ...al Schematic 4 Lift Wiring Diagram 5 Switch and Sensor Locations 6 LCD Error Codes 7 Hydraulics Hydraulic Schematic 8 Hydraulics Parts List 9 Hydraulics Diagram 10 Repair Parts Pump Module Pump Module...

Page 4: ...s on the platform 1 Position the platform at the floor level loading position 2 Loosen the locknut on the dual relief valve adjustment do not remove locknut See illustration below 3 Turn the adjustmen...

Page 5: ...ighting when lift is deployed 1 Replace bulb s in the light housing 2 Check fuse 5 amp fuse on circuit board F13 An audio warning and visual warning for public lifts will activate if at least 25 pound...

Page 6: ...SILVER BK WH 24 GA SILVER BK 18 GY RD 18 BK 20 BK 20 GY RD 18 2 1 J7 2 1 P7 3 4 4 3 1 2 1 2 1 2 1 2 BK 18 RD 18 BK 20 RD 20 RD 18 BK 18 WH 20 GN 20 13 15 4 14 7 12 10 11 17 8 9 18 J5 13 15 4 14 7 12 1...

Page 7: ...Sensor Floor Level Memory Set Push Button A B C D E F IB Occupancy Microswitch C H COM NO NC WH BK 4 N O N C M O C GN 20 BN 20 PINK 20 GA BLACK 20 GA BLUE 16 GA RED 20 GA BROWN 20 GA WHITE 20 GA WHIT...

Page 8: ...etic Sensor 30433A60 Outer Barrier Latched Magnetic Sensor 30433A60 Outer Barrier Raised Magnet 30662 Outer Barrier Latched Magnet 30662 Note Mirror image for right front pump lifts Inboard Outboard R...

Page 9: ...ift operation The codes will be displayed on an LCD screen located on the lift control board inside the pump module See the Manual Operating Instructions in the operator s manual for pump cover remova...

Page 10: ...p Cylinder M Orifice Bridging Valve 800 PSI 50 GPM Roll Stop Fold Pressure Switch Fixed Displacement Pump Vented Reservoir Orifice Backup Pump Single Acting Cylinder Check Valve Manual Shutoff Valve P...

Page 11: ...Fitting 90 1 8 NPT x 1 8 Barb Plastic 87563 18 1 Switch Pressure 7 16 20 SAE O Ring Male 31199 19 2 Fitting Male 7 16 20 SAE O Ring to Male 7 16 20 JIC 37 24504 20 1 Elbow 1 Female 7 16 20 JIC 37 Swiv...

Page 12: ...Diagram Pump Side Cylinder Opposite Pump Side Cylinder Hydraulic Pump Manual Backup Pump 23 21 22 26 31 14 12 15 23 24 24 20 19 19 26 17 27 27 26 16 26 28 25 13 25 26 6 5 18 9 Roll Stop Cylinder 29 3...

Page 13: ...Metal Ring Base Lamp 30971 29 1 Socket Lamp 30703 30 3 Screw 8 32 x 1 2 Pan Head Phillips Thread Cut 30974 31 1 Bulb Light 19841 32 1 Diode Green LED Panel Mount 29545 33 1 Strain Relief Liquid Tight...

Page 14: ...a blue nylon patch is not present on the bolts when retrofitting an M268 pump assembly Loctite is available from The Braun Corporation under part number 11522 1 53 45 52 51 50 49 48 18 10 16 17 17 13...

Page 15: ...16 x 3 4 Soc Hd Cap Screw Bk 26259 172 1 Spacer Flap Cylinder 700 Thick 915 0415 173 1 Guard Rollstop Sensor Wires 915 0368N50Y 174 1 Parallel Arm Assy Bottom w Bearings Front 917 0457NA 175 4 Screw 1...

Page 16: ...152 91 152 87 86 91 90 170 94 89 177 150 145 19 66 76 75 93 94 138 146 146 138 148 148 148 141 85 88 57 57 60 148 148 60 147 22 60 82 159 160 161 84 81 74 106 148 178 175 74 106 138 138 27 28 27 28 63...

Page 17: ...Over 300 Braun Dealers Worldwide Providing Access to the World Providing Access to the World International Corporate Hdqrs P O Box 310 Winamac IN 46996 USA 1 800 THE LIFT 574 946 6153 FAX 574 946 4670...

Page 18: ...ary 2008 31821 Rev A January 2008 Braun NL Series Braun NL Series Service Manual for 02 Series 02 The Braun Corporation of Winamac Indiana warrants that it will repair or replace at Braun s sole optio...

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