Braun Millennium 2 AD NL Series Service Manual Download

Page: 15 / 34

Page 13

Lift Electrical Schematic

UP/FOLD

SOLENOID

PUMP

CIRCUIT
SENTRY

(CIRCUIT BREAKER)

PLATFORM LIGHTS

(OPTION)

INTERLOCK

HYDRAULIC

(UP)

GROUND

POWER

STUD

GROUND

DOWN

SOLENOID

(N.C. Valve)

BATTERY

CHASSIS GROUND

CIRCUIT BREAKER

JUNCTION

MOTOR

SWITCH

CONNECTER

FLASHER

SOLENOID

NOTES:

1) JUNCTIONS ONLY OCCUR AT
MARKED INTERSECTIONS.

OUTER BARRIER DOWN

SOLENOID

(N.C. Valve)

MICROSWITCH

UNFOLD

MICROSWITCH

COUNTER

OUTER BARRIER

FOLD RELIEF SOLENOID

(N.O. Valve)

FOLD RELIEF

SOLENOID

( N.O. Valve)

FOLD

RELAY

POS.+

NEG. -

THRESHOLD/ALARM

MICROSWITCH

PARTIAL FOLD
MICROSWITCH

00000

2
1

4
3

2
1

4
3

2
1

THRESHOLD

STRIP SWITCHES

LIFT POWER SWITCH

MICROSWITCH

CAPACITOR

PRESSURE SWITCH

DIODE

SYMBOL

DESCRIPTION

COUNTER

RELAY

LIGHT

BEEPER

00000

DOWN

UNFOLD

FOLD

LIFT

SWITCH BOX

FUSE

REDUNDANT

POWER

RELAY

87A

IB RAISED

SWITCH

STOW INTERLOCK

MICROSWITCH

OUTER BARRIER

RAISED

MICROSWITCH

BRIDGING

MICROSWITCH

87A

GROUND DETECT

MICROSWITCH

87A

LIGHT

RELAY

87A

VEHICLE SECURE SIGNAL

LIFT STOWED SIGNAL

LIFT NOT STOWED SIGNAL

(GROUND)

BK(18)
BK(18)

RD(18)
BK(18)

RD(18)

GN(20)

RD(20)

GN(20)

RD(20)

RD(18)

BK(18)

BK(22)

BK(18)

RD(18)

RD(22)

RD(18)

BK(18)

OR(12)

RD(18)

GN(18)

BK(18)

GN(20)

BK(20)

FUSE HOLDER(16)

GN(20)

GN(20)
BK(20)

BK(18)

GN(22)

SIL

VER(22)

SILVER(22)

GOLD(22)

SILVER(22)

BK(18)

BU(18)

RD(18)

GN(18)

WH(18)

LT. BU/GN(18)

WH(18)

GN(18)

BU(18)

WH(18)

GN(18)

RD(18)
BK(18)

OR(18)

DK. BU(18)

WH(18)

GN(18)

RD(18)

BK(18)

RD/WH(18)

GN(20)

GN(14)

TAN/OR(18)

WH(18)
GN(18)
RD(18)

OR(18)

BK(20)

BK(18)

VT(20)

WH(20)

GN(20)

RD(20)

BN(20)

GN(20)

BU(20)

RD(2)

RD(4)

OR(12)

BK(4)

RD(10)

OR(12)

GN(14)

GN(20)

BK(20)

GN(20)

GN(10)

GN(20)

BK(20)

RD(10)

GN(20)

BK(20)

OR(18)

VT(20)

WH(20)

BU(20)
BK(20)

RD(20)

BK(22)
RD(22)

BN(20)

BU(20)

BK(20)

RD(20)
BU(20)

BU(20)

GN(20)

BU(22)

GN(20)

BK(18)

GN(20)

GN(18)

WH(18)

RD(18)

OR(18)

WH(22)

SOLID BUS

RD(22)

OR(22)

GN(22)

BK(22)

BU(18)

RD(18)

WH(18)

(GROUND)

(+12V INPUT)

IB OCCUPIED

MICROSWITCH

FLASHER

THRESHOLD

WARNING

LIGHT

THRESHOLD

WARNING

BEEPER

1
3

LIFT READY

LED

1
2

2
1

Summary of Contents for Millennium 2 AD NL Series

Page 1: ...n buses 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 NL Series NL Series Public Use Wheelchair Lifts...

Page 2: ...he carrier at once with any claims Two warranty registration cards shown right are located in the lift mounted manual storage pouch The sales representative must process one of the cards The consumer...

Page 3: ...13 Lift Wiring Diagram 14 Hydraulics Hydraulic Schematic 15 Hydraulics Parts List 16 Hydraulics Diagram 17 Repair Parts Pump Module Pump Module Parts List 18 Pump Module Diagram 19 Lift Exploded View...

Page 4: ...isible underside of platform Outer Barrier Automatic Outboard Roll Stop Saddle 2 Outer Fold Arm 2 Opposite Pump Side Vertical Arm Bottom Parallel Arms 2 Platform Lights 2 Outboard Right Lift Tite Latc...

Page 5: ...upied Microswitch Stow Interlock Microswitch IB Occupied Stow Interlock Assy 32514NA IB Raised Switch 32519A Bridging Microswitch 32855A Up Microswitch Unfold Microswitch Threshold Alarm Microswitch U...

Page 6: ...Refer to the interlock installation instructions The platform will not fold stow if occupied Refer to Platform Fold Pressure Adjustment procedures The inner roll stop will not raise if occupied Call...

Page 7: ...tform Fold Adjustment Allen Screw 1 See Tower 4 Fold Switch Adjustment in the Tower Microswitch Adjustment section for proper microswitch setting before adjusting the platform fold pressure 2 Position...

Page 8: ...the angle at both positions equal amount of angle Angle A should equal angle B as shown in Figure C Century NCL Series Vista NVL Series The platform angle must be adjusted so the outboard end of the p...

Page 9: ...line All Lift Models Right Wrong Turn clockwise to raise outboard end of platform When adjusting platform angle setting floor level position or adjusting bridging microswitch ensure both stop blocks a...

Page 10: ...ocedures below and adjust as needed only Tower 1 Unfold Switch Adjustment Floor Position from Stow 1 Position platform at the fully stowed position using the manual hand pump or pendant control 2 Turn...

Page 11: ...earings 4 LO Parallel Arm Pivot Pin Bearings 16 LO Lift Tite Latches Tower Pivot Points 2 LO Lift Tite Latch Dampening Spring 2 springs 4 Points LO Parallel Arm Pivot Pin Bearings 16 LO Inner Roll Sto...

Page 12: ...or scheduling mainte nance procedures and will vary according to lift use and conditions Lifts exposed to severe conditions weather environment contami nation heavy usage etc may require inspection an...

Page 13: ...ner roll stop locks 2 and torsion springs 2 for wear or damage and for proper operation Inspect lift for rattles Correct as needed Perform all procedures listed in previous section also 750 Cycles 150...

Page 14: ...needed Resecure repair or replace if needed Check to see that the lift is securely anchored to the vehicle and there are no loose bolts broken welds or stress fractures Replace decals if worn missing...

Page 15: ...D 20 GN 20 RD 20 RD 18 RD 18 RD 18 BK 18 BK 18 BK 18 BK 18 BK 22 BK 18 BK 18 BK 18 BK 18 RD 18 RD 22 RD 18 BK 18 OR 12 OR 12 OR 12 OR 12 RD 18 RD 18 GN 18 GN 18 BK 18 GN 20 BK 20 FUSE HOLDER 16 FUSE H...

Page 16: ...nd Detect Microswitch Bridging Microswitch BU 20 BK 20 1 2 NC COM NO 1 2 3 4 5 6 7 8 9 32519A 32855A LT BU GN 18 G N 1 0 REDUNDANT POWER RELAY HARN 32934A OR 22 BU 22 Fold Unfold Switch WH 22 BK 22 GN...

Page 17: ...M Roll Stop Down Solenoid Valve Outer Barrier Fold Relief Solenoid Valve Outer Barrier Relief Valve 200 PSI Main Relief Valve 2500 PSI Fixed Displacement Pump Vented Reservoir Orifice Backup Pump Sing...

Page 18: ...0 JIC 37 Male 2 26579 21 1 Hose Assembly 1 8 Opposite Pump Side 16004A 086 22 1 Hose Assembly 1 8 Pump Side 16004A 046 23 2 Elbow 90 7 16 20 SAE O Ring Male 7 16 20 JIC 37 Male Orifice 26667 24 2 Cyli...

Page 19: ...ulic Pump Manual Backup Pump 23 21 22 18 10 12 2 23 24 24 20 19 19 15 16 17 13 17 28 11 25 17 8 5 5 Roll Stop Cylinder 27 26 25 14 1 34 4 3 33 29 Hydraulic Repair For repair of a hydraulic hose or cyl...

Page 20: ...s Fold Relay 32967A 32967A 38 1 Harness Light Relay 33362A 33362A 39 1 Wire Assembly Lift Interlock Connection 31797A 31797A 40 1 Wire Assembly Lift Stowed Connection tSee note below 31798A 31798A 41...

Page 21: ...bolts when retrofitting an M268 pump assembly Loctite is available from The Braun Corporation under part number 11522 1 12 11 21 14 31 17 26 14 23 35 4 29 25 13 13 20 41 16 44 39 40 14 15 15 5 18 34...

Page 22: ...5 16 18 X 3 4 BHSC AUTO BK 13 12 11 10 16 15 14 17 27208RW 1 WMT LATCH LIFT TITE REAR RETRO CABLE TIE 11 SOLID 10091 4 4 26614 2 13617 2 15328 4 24570 3 29729 2 31816 O RING 5 16 ID X 1 16 NUT 3 8 16...

Page 23: ...8 1 4 20 SS W PC DWG NOTES 1 LOOP TAPESWITCH WIRE BACK AND SECURE WITH WIRE TIE 4X 2 TRIM AND TUCK WIRE TIE CLASP INTO HOLE 4X DETAIL A SCALE 4X NOTE NOTE CLAMP INSULATED 1 3 8 WASHER 10 FLAT AUTO BK...

Page 24: ...UNC HEX LOCK AUTO BK WASHER 516ID X 1OD X 0269 AUTO BK RING 5 16 EXT SNAP ZINC PLATED BOLT 3 8 16 X 1 2 W NYLOCK PATCH BOLT SHOULDER 5 16 X 5 8 1 4 20 SS W PC DWG NOTES 1 LOOP TAPESWITCH WIRE BACK AND...

Page 25: ...ID X 1 16 NUT 3 8 16 UNC HEX LOCK AUTO BK WASHER 516ID X 1OD X 0269 AUTO BK RING 5 16 EXT SNAP ZINC PLATED BOLT 3 8 16 X 1 2 W NYLOCK PATCH BOLT SHOULDER 5 16 X 5 8 1 4 20 SS W PC DWG NOTES 1 LOOP TAP...

Page 26: ...12 1 16368 WASHER 5 16 EXTERNAL TOOTH 1 15858BK BOLT CARR 5 16 18 X 3 4 AUTO BK 13 1 10068 WASHER 5 16 LOCK AUTO BK 14 1 10058 NUT 5 16 18 HEX AUTO BK 2 4 5 3 10 7 1 11 12 8 9 14 13 6 DESCRIPTION 240...

Page 27: ...3 QTY ITEM 1 PART NO 945 0412NA 1 2 BEARING FLANGE 3 4 X 3 8 12FDU06 4 24011 SHIM WASHER 906 ID X 1 156 OD 03 T SS 3 31771 4 1 2 3 5 4 SHIM WASHER 906 ID X 1 156 OD 03 T SS 31771 4 ARM PARALLEL BOTTOM...

Page 28: ...43 771 29 146 CYLINDER 14 625 29 146 RETRACTED ELBOW 1 4 NPT 90 1 4 BARB ELBOW 7 16 20 M O RNG 37 035 ORFICE DESCRIPTION 15150 26667 C1514 3 0408N PART NO 3 2 1 ITEM 1 1 1 QTY 30 10 Exploded Views an...

Page 29: ...m Assembly Rear Vertical Arm Assembly Front C2 2 5 3 4 7 6 1 8 NOTE 84383 32734 31062A 945 0448RNW PART NO 3 1 2 1 1 1 QTY ITEM 5 4 1 1 ROLLER LIFT TITE DESCRIPTION ASSY LIGHT VERT CHANNEL PHILIPS SOC...

Page 30: ...ALE THREAD 12608 CLIP SAFETY GAS SPRING 1 32519A SWITCH ASSEMBLY INDICATES ITEMS NOT SHOWN Exploded Views and Parts Lists Front Handrail Assembly Rear Handrail Assembly 6 8 10 2 12 11 1 3 4 10 5 6 5 4...

Page 31: ...30236R048 5 30236R032 5 947 3343NA 22 21 28 27 26 25 23 1 1 1 1 31 30 29 2 1 1 BUMPER RUBBER RECES 31 32 OD SPRING 1 4 X 1 EXT W HOOKS AUTO BK RIV POP SD64BS 3 16 13 25 AUTO BK ASSY LATCH ROLL STOP S...

Page 32: ...LOCK AUTO BK BOLT 5 16 18 X 1 1 4 LHSHCS AUTO BK PIN PLATFORM CYLINDER WASHER THRUST 875 OD 50 ID 0585T ADAPTER CYL ROLL STOP LEVER ROLL STOP ALUM RUBBER END ASSY 34 YEL CYLINDER FLAP ASSY 32949 947 0...

Page 33: ...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 34: ...96 USA 1 800 THE LIFT 574 946 6153 FAX 574 946 4670 Braun Millennium 2 Series Braun Millennium 2 Series The Braun Corporation of Winamac Indiana warrants that it will repair or replace at Braun s sole...

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Braun Millennium 2 AD NL Series, Service Manual

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