Braun NL502 Series Service Manual Download Page 3

Page: 3 / 42

Page 1

Contents

Troubleshooting and Maintenance

Lift Terminology

............................................................ 2

Switch and Sensor Locations

..................................... 3

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......... 4

Switch Adjustments

...................................................... 5

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................................................. 6

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..................................................... 8

Maintenance and Lubrication Schedule

................. 9-11

Lift Electrical Schematic

............................................ 13

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.................................................... 14

Hydraulics

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.............................................. 16

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................................................ 17

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.............................................. 18

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........................................... 19

Hydraulic Schematic

.................................................. 20

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Mounting

Base

....................................................... 21

Upper / Lower Control Arms - Front

..................... 22

Upper / Lower Control Arms - Rear

...................... 23

Inner Vertical Channel - Front

............................... 24

Inner Vertical Channel - Rear

................................ 25

Intermediate Vertical Channel (I-Beam) - Front

....... 26

Intermediate Vertical Channel (I-Beam) - Rear

........ 27

Outer Vertical Channel - Front

.............................. 28

Outer Vertical Channel - Rear

............................... 29

Handrail Assembly

................................................. 30

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................................................ 31

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............................ 32

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.......... 32

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............................ 34

Warranty

Braun

Limited Warranty

....................................... 35-37

Summary of Contents for NL502 Series

Page 1: ...Braun NL502 Series TM NL502 NL502 Public Use Wheelchair Lifts Service Manual for 38433 July 2013 DOT Public Use Lift DOT Public Use Lift DOT Public Use Lift verifies that this platform lift meets the...

Page 2: ...el No 6DPSOH 6HULDO 1R 6HULHV 1R GHQWL FDWLRQ 7DJ Model No Serial No Date of Manufacture The Braun Corporation XXXXXXXXXX XX XXXXX XX XX XXXX 1 800 THE LIFT BRAUNLIFT COM TM MFG DATE SERIAL NUMBER TM...

Page 3: ...YH ORFN RXVLQJ 18 DQG 3XPS VVHPEO 19 Hydraulic Schematic 20 5HSDLU 3DUWV LIW SORGHG 9LHZV DQG 3DUWV LVWV Mounting Base 21 Upper Lower Control Arms Front 22 Upper Lower Control Arms Rear 23 Inner Verti...

Page 4: ...nder not visible Outer Barrier Latch Outboard Platform Side Plate Mounting Base Outer Vertical Channel Intermediate Vertical Channel S Beam Transition Plate Left Handrail Stow Deploy Hydraulic Cylinde...

Page 5: ...Microswitch 30205 Floor Level Microswitch 30205 Full Out Microswitch 30205 Full Out Cam BF00076 Full In Cam BF00076 Full In Microswitch 30205 Inner Roll Stop Deployed Floor Level Cam Outer 500 2015 In...

Page 6: ...ZDUQLQJ ZLOO DFWLYDWH LI WKH WKUHVKROG DUHD LV RFFXSLHG ZKHQ WKH SODWIRUP LV DW OHDVW EHORZ RRU OHYHO 1 Make sure connector s to threshold sensors are properly connected 2 Call Product Support 3ODWIRU...

Page 7: ...QQHU 5ROO 6WRS is occupied in the range of 1 EHORZ RRU OHYHO WR WKH point when the Inner Roll Stop is locked in the upright position This deactivation stops the downward travel and triggers an alarm...

Page 8: ...ion Product Support Department DQG KHOG 3HQGDQW Stowed Inner Roll Stop RFNHG Inner Roll Stop 8QORFNHG Inner Roll Stop 8QORFNHG Inner Roll Stop RFNHG 1 Below Floor Level K MP916 5 R 103 103 8 00M L_DN...

Page 9: ...Page 7 NOTES This page intentionally left blank...

Page 10: ...agram Inner Outer Vertical Channel Roller Pins 56 SG Upper Control Arms Pivot Points 12 LO Lower Control Arms Pivot Points 12 LO Intermediate Beam Chain Roller 2 LO Inner Roll Stop Hinge LO Transition...

Page 11: ...ODFLQJ WKHVH FRPSRQHQWV EH VXUH to apply grease during installation procedures 6SHFL HG OXEULFDQWV DUH available from The Braun Corporation part num bers provided on previ ous page OO OLVWHG LQVSHFWLR...

Page 12: ...tive securement Remove pump module cover and inspect GUDXOLF KRVHV WWLQJV DQG FRQQHFWLRQV IRU ZHDU RU OHDNV RQ SXPS YDOYH EORFN DQG KDQG SXPS DUQHVV FDEOHV ZLUHV WHUPLQDOV IXVHV DQG FRQ nections for s...

Page 13: ...ed to WKH YHKLFOH DQG WKHUH DUH QR ORRVH EROWV EURNHQ ZHOGV RU VWUHVV IUDFWXUHV 5HSODFH GHFDOV LI ZRUQ PLVVLQJ RU LOOHJLEOH Inspect cotter pins 8SSHU LQQHU FRQWURO DUPV 2XWHU EDUULHU ODWFK JDV VSULQJV...

Page 14: ...Page 12 NOTES This page intentionally left blank...

Page 15: ...USED OR 20 YL RD 20 RD 20 RD 26 RD 20 RD 20 OR BK 20 WH VT 20 2 1 2 1 YL BK 18 YL WH 18 DK BU 18 2 1 3 2 3 1 2 3 1 5 6 4 5 6 4 1 OR 22 DK BU 18 YL WH 18 YL BK 18 2 1 RD 16 RD 16 BK 16 2 1 2 1 OR 16 RD...

Page 16: ...7 WHITE 22 RED 22 VIOLET 22 BLACK 22 GREEN 22 BLUE 22 ORANGE 20 ORANGE 22 6 5 4 3 2 1 COLOR NO 7 COND WIRE CODE 7 YELLOW BLACK 18 YELLOW WHITE 18 ORANGE 22 DARK BLUE 18 4 3 2 1 COLOR NO 4 COND WIRE CO...

Page 17: ...Page 15 NOTES This page intentionally left blank...

Page 18: ...nder In Out Front 1514 3 9900A 19 1 Cylinder In Out Rear 1514 3 9800A 20 3 Fitting Tee 7 16 20 JIC 37 Male x 3 30793 21 1 Valve Pressure Compensator 30281 22 1 Handle w Grip 17206A 23 1 Hose Assembly...

Page 19: ...3 8 7 11 9 32 37 33 34 34 22 9 16 17 17 10 25 15 15 19 18 7 1 2 12 10 30 7 10 10 10 20 28 20 29 9 10 20 24 5 6 5 14 4 26 21 35 23 10 9 13 11 11 15 9 9 36 Arrow must face valve block Page 17 Hydraulic...

Page 20: ...20 HEX 14 1 38134A HARN HAND CONTROL TO BOARD W ON OFF SW 15 1 38177A HARN READY LED GROUND 16 ITEMS NOT SHOWN 1 38144A HARN NL501 INTERLOCK NUT 1 4 20 HEX LOCK AUTO BK BOLT 1 4 20 X 3 1 2 HEX SPACER...

Page 21: ...1 4 20 NYLOCK AUTO BK FITTING 7 16 20 7 16 20 37 FITTING 90 DEG 4JICFX 4JICM 501 0200 87622 10003 14614 24504 87592 2 1 3 2 4 2 5 2 6 1 7 1 ITEM QTY PART NUMBER DESCRIPTION 1 REMOVE BOLT AND NUT AND...

Page 22: ...V1 RV2 Front In Out Cylinder Rear In Out Cylinder D Valve C Valve B Valve 1500 PSI Fixed Displacement Pump Vented Reservoir Backup Pump Single Acting Cylinder Check Valve 2 Way 2 Position Solenoid Val...

Page 23: ...16 20 7 16 20 SAE MALE O RING 100524 002 1 ASSEMBLY E J LIFT CONTROLLER 51267 1 GROM ID 88 GR 06 GD 1 25 T 30 87592 2 FITTING 90 DEG 4JICFX 4JICM 82064 4 BUMPER 5 DIA X 25 HT RUBBER 1514 3 9800A 1 CY...

Page 24: ...CE 14 1 500 0159 CONTROL ARM TIE BAR 15 1 501 0045FA ASSY LOWER OUTER FR CONTROL ARM 16 1 501 0055FA ASSY FRONT CONTROL ARM 17 1 34832 COLLAR DBL SPLIT 3 4 ID BLK OXIDE 18 1 936 0403 PIN PIVOT PARALLE...

Page 25: ...18 1 500 0159 CONTROL ARM TIE BAR 19 1 501 0056RA ASSY RR LINK OUTER 20 1 501 0045RA ASSY LOWER OUTER RR CONTROL ARM 21 1 501 0048A ASSY H BRACE 22 1 501 0044RA ASSY UPPER OUTER RR CONTROL ARM 23 1 93...

Page 26: ...DESCRIPTION PART NO QTY ITEM DESCRIPTION CHAIN LEAF 4x4 5 PITCH x 47 ELBOW 7 16 20 M O RNG 37 035 ORIFICE CLIP CABLE 3 8 PLASTIC PIN COTTER 1 32 x 1 2 4x4 PIN COTTERED 466 CHAIN LO PRO HEAD CHAIN LEAF...

Page 27: ...STUD PIN COTTERED 466 CHAIN LO PRO HEAD CHAIN LEAF 4x4 5 PITCH x 47 CHAIN LEAF 4x4 5 PITCH x 23 30375 16 2 SCREW 10 32 x 1 2 BHSCS AUTO BLACK 21759 2 PIN COTTERED 4x4 LEAF CHAIN 11092 2 CLIP CABLE 3...

Page 28: ...BLY 3 HAND REAM CHAIN BLOCK HOLES WITH 21 0 159 DIA REAM DO NOT OVERSIZE WITH DRILL 1 500 0111A 81039 000 500 2112 502 2100FWBKN 2 1 1 1 SCREW 1 4 20 X 5 8 BHSCS ZINC PIN ROLLER I BEAM I BEAM WELDMENT...

Page 29: ...R ROL STOP DEPLOY CAM OUTER MICRO SWITCH FLR LVL INR ROL STOP DEPLOY 21708R023 21759 23173 10 9 8 1 1 1 CHAIN LEAF 4x4 5 PITCH x 23 500 2736 11 1 GUARD CHAIN ROLLER PIN COTTERED 4x4 LEAF CHAIN PIN COT...

Page 30: ...37 2 SCREW 10 32 x 3 8 FL HD HX SKT AUTO BK 35 34346 1 BUMPER UHMW 1 x 0 234 36 23173 1 PIN COTTER 1 32 x 1 2 4x4 37 34575 1 PIN COTTERED 466 CHAIN LO PRO HEAD 38 34349 1 ROLLER IB RAISE NL500 39 2170...

Page 31: ...G GUIDE 500 0195 19 1 PIN PLATFORM PIVOT 34347B 20 1 HANDRAIL MOUNTING SHAFT BOTT RR NL500 BOLT 3 8 16 X 3 4 FLBHSCS GD8 RING 1 2 EXT SELF LOCK SNAP AUTO BK BALL STUD 10mm SEAT LIFT A 9008 2 500 0109Y...

Page 32: ...5 1 1 1 1 SHAFT HANDRAIL PIVOT NL500 HR CAM FOLLOWER 1 28983 MOD BUCKEL HALF ASSY VISTA NON INTERLOCKED 7 1 25171 BOLT 5 16 18 X 2 FLBHSCS GD8 8 1 10059BKWP NUT 3 8 16 HEX AUTO BK WITH PATCH 9 1 34813...

Page 33: ...O SPRING ATTACHMENT BRACKET ON THE BOTTOM SIDE OF THE PLATFORM INNER DECK 3 USE 2 SCREWS FROM INNER ASSEMBLY AND RIVETS TO INSTALL GUARD INTO PLACE 4 APPLY LOCTITE THREADLOCKER BLUE 242 B C 18822 ON A...

Page 34: ...11513 15 17 11 10 SCREW 10 32 X 1 2 BHSCS AUTO BLACK RIV POP SD64BS 3 16 13 25 AUTO BK 35329 1 GAS SPRING 14 47 EXT 9 02 COM P1 750N 1 3 500 0209 BRACKET GAS SPRING MOUNT PLATFORM 11387 3 NUT 5 16 18...

Page 35: ...IDETRACK OUTER FRONT BOTTOM DESCRIPTION PART NO ITEM QTY 4 3 2 1 6 5 7 8 9 10 DESCRIPTION PART NO ITEM QTY 3 5 2 8 1 9 10 7 4 6 SIDERAIL INNER PLATFORM NL500 34410 SCREW 1 4 20 X 875 BHSC 500 0304ORBB...

Page 36: ...32 33411 2 BRACKET ADJUST SPLIT FOOT 40 34779 1 STRAIN RELIEF OUTER BARRIER HARNESS 38 34686 2 PIN ROLLSTOP GAS SPRING 37 500 2206R 1 LATCH ROLL STOP REAR 36 35127 2 GAS SPRING 25LB 3 228 X 9 488 33 1...

Page 37: ...e to anyone Braun reserves the right to make changes in the design or material of its products without incurring any obligation to incorporate such changes in any previously manufactured product Braun...

Page 38: ...ritten warranty provided by the manufacturer of the material component or part LV WKH GLUHFW UHVSRQVLELOLW RI WKDW PDQXIDFWXUHU LWHPV WKDW DUH DGGHG RU FKDQJHG DIWHU WKH SURGXFW OHDYHV UDXQ V SRVVHVVL...

Page 39: ...6RPH VWDWHV GR QRW DOORZ D UHGXFWLRQ in the statute of limitations so this reduction may not apply to you WARRANTY REGISTRATION and MISCELLANEOUS Your warranty registration records should be complete...

Page 40: ...Page 38 NOTES This page intentionally left blank...

Page 41: ...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 42: ...are based on the latest product information available at the time of publication The Braun Corporation reserves the right to make changes at any time without notice 38433 July 2013 38433 July 2013 Pr...

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