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Wheelchair Lifts

Patent #5,261,779 

Patent #6,065,924 

Patent #6,238,169 

Patent #5,261,779 

Patent #6,065,924 

Patent #6,238,169 

Patent #6,464,447

Patent #6,599,079

Patent #6,739,824

Patent #6,464,447

Patent #6,599,079

Patent #6,739,824

Patent #6,837,670

Patents Pending

© The Braun Corporation

Patent #6,837,670

Patents Pending

© The Braun Corporation

All illustrations, descriptions and specifications in this manual 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. 

All illustrations, descriptions and specifications in this manual 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. 

"Providing Access to the World" 

®

®

34179 Rev. A
December 2007

34179 Rev. A
December 2007

Braun GVL Series

Braun GVL Series

Service Manual for: 

02

International Corporate Hdqrs:   P.O. Box 310    Winamac, IN 46996  USA

1-800-THE LIFT

®

       (574) 946-6153       FAX: (574) 946-4670

33222

Braun

 Limited Warranty

Consult your local Braun dealer regarding warranty policy.

www.braunlift.com/international

Summary of Contents for 02 Series

Page 1: ...6 USA 1 800 THE LIFT 574 946 6153 FAX 574 946 4670 Braun GVL Series Braun GVL Series KA HZg Zh Wheelchair Lifts 02 Service Manual for 34179 Rev A December 2007 Patent 5 261 779 Patent 6 065 924 Patent 6 238 169 Patent 6 464 447 Patent 6 599 079 Patent 6 739 824 Patent 6 837 670 Patents Pending Patent 5 261 779 Patent 6 065 924 Patent 6 238 169 Patent 6 464 447 Patent 6 599 079 Patent 6 739 824 Pat...

Page 2: ...amage Notify the 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 must fill out the other card and mail it to The Braun Corporation The war ranty is provided on the back cover of this manual The warranty cards must be processed to activate the warranty ...

Page 3: ...ring 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 Views and Parts Lists Base Plate Assembly 20 22 Top Parallel Arm Assembly 23 Bottom Parallel Arm Assembly 24 25 Hydraulic Cylinder Assembly Main 26 Vertical Arm Assembly 27 28 Handrail Assembly 29 Platform Assembly ...

Page 4: ...ders 2 Vertical Arm Covers 4 Opposite Pump Side Vertical Arm Handrails 2 Outer Barrier Pump Side Vertical Arm Bottom Parallel Arms 2 Outboard Right Lift Tite Latches 2 Unfold Assist Compression Springs 2 Left Inboard Towers 2 Inner Roll Stop Lift Terminology Saddle 2 Upper Fold Arm 2 Lower Fold Arm 2 Platform Side Plates 2 Inboard Platform Outboard Platform ...

Page 5: ...or Locations Up Microswitch Up Unfold Microswitch Assy 975 3121A Partial Fold Microswitch Assy 32735RA Note Mirror image for right front pump lifts Unfold Microswitch UNF OLD OU T FOLD IN DO WN UP Outboard Right Left Inboard ...

Page 6: ...tton until the plat form folds completely Note Return the platform to floor level position after each attempt to fold the platform 5 Turn the adjustment screw an additional 1 8 turn after the platform folds successfully 6 Tighten the hex nut without moving the adjustment screw 7 Verify the platform will not stow while occupied Platform Fold Pressure Adjustment Platform Fold Adjustment Allen Screw ...

Page 7: ...in Figure A Note The outboard end of the platform must contact the ground first to ensure the spring loaded outer barrier unfolds fully See Figure B Adjustment Procedures Adjustment Allen screws are provided on each side of the lift platform for adjusting the platform angle See Figure C Turn the adjustment screw clockwise to raise the outboard end of the platform Turn the adjustment screw counterc...

Page 8: ...g full contact with the vertical arms when the platform is at floor level See Photo A Improper adjust ment of screw positioning can result in lift damage Bridge Plate Positioning The bridge plate should rest solidly on the base plate There should be a smooth level transition between the platform bridge plate and the base plate Refer to Photos B and C OK WRONG Platform and bridge plate level Platfo...

Page 9: ...ockwise while pressing the pendant UNFOLD switch Platform position will change Repeat adjustment until criteria below is met Proper Adjustment Criteria The bridge plate should rest solidly on the base plate minimum of 1 overlap There should be a smooth level transi tion between the platform bridge plate and the base plate See Photos B and C The platform stop blocks one per side must be making full...

Page 10: ...Lift Tite Latches Tower Pivot Points 2 LO Lift Tite Latch Dampening Springs 2 springs 4 Points LO Parallel Arm Pivot Pin Bearings 16 LO Inner Roll Stop Lever Bearings 2 and Slots 2 LO Platform Pivot Pin Bearings 4 LO Lower Fold Arm Pivot Points 2 LO Saddle Bearing Buttons 4 DE Upper and Lower Fold Arm Contact Area 2 LG Platform Fold Gear Rack Bearings 4 LG Platform Fold Gear Rack 2 and Gear Link A...

Page 11: ...the scheduled 4500 Cycles maintenance These intervals are a gen eral guideline for scheduling maintenance procedures and will vary according to lift use and conditions Lifts exposed to severe conditions weather environment contamination heavy usage etc may require inspection and maintenance proce dures to be performed more often than specified Discontinue lift use immediately if maintenance and lu...

Page 12: ...Tower Microswitch Adjustment Instructions Realign towers and vertical arms Lubricate or correct as needed Inspect outboard barrier feet for proper operation positive securement and detached or missing torsion spring Inspect platform fold gear rack and gear link as sembly teeth for foreign objects wear or dam age bent deformed or misaligned positive securement and proper operation Inspect lift for ...

Page 13: ...allel arms bearings and pivot pins for visible wear or damage Inspect parallel arm pivot pin mounting screws 8 Inspect platform pivot pins bearings and vertical arms for wear damage and positive securement Inspect vertical arms handrails and pivot pins for visible wear or damage Inspect upper lower fold arms saddle saddle support and associated pivot pins bushings and bearings for visible wear or ...

Page 14: ...tress fractures Replace decals if worn missing or illegible Re place antiskid if worn or missing Repeat all previously listed inspection lubrica tion and maintenance procedures at 750 cycle intervals Consecutive 750 Cycle Intervals 4500 Cycles Mounting Decals and Antiskid Maintenance and Lubrication Schedule continued ...

Page 15: ...ULIC UP M GROUND GROUND BAT AUX OFF ON BAT AUX J1 1 3 P1 6 5 4 2 1 3 6 5 4 2 DK BU DK BU BN BN PK DK GN DK GN DK GN DK GN OR YL BK GY WH DK BU BN PK PK DK BU WH YL MICROSWITCH STATION UP FOLD MICROSWITCH PARTIAL FOLD MICROSWITCH NC NO C 1 2 3 BK GY BN BN BN OR BN OR UNFOLD DOWN MICROSWITCH NC NO C NC NO C YL 16 YL 16 YL 16 BK 16 BK 16 BK GY BK 16 WH 16 WH 16 WH YL OR BN BN 16 WH 16 BN 16 RD 16 UNF...

Page 16: ...wn Microswitch C H COM NO NC Up Fold Microswitch C H COM NO NC DK GN OR OR BN C3 C2 C1 P1 J1 OR BN BN BK GY Notes 1 Shown with lift in stowed position 2 All wires 20 gauge unless otherwise noted Circuit Breaker Pump Mounting Plate Side view of solenoids removed from pump Hydraulic Pump Fold N O N C COM N O N C COM Circuit Sentry Circuit Breaker Bat Aux Lift Power Cable Connects to Vehicle Battery ...

Page 17: ...Orifice 800 PSI Fixed Displacement Pump Vented Reservoir Backup Pump Single Acting Cylinder Check Valve Manual Shutoff Valve 2 Way 2 Position Solenoid Valve Pressure Compensated Flow Control Relief Valve Description Symbol Description Symbol Filter Screen Unfold Orifice M Pump Motor Hydraulic Port Hydraulic Schematic ...

Page 18: ...x 2 1 4 Allen Head 26080 26080 11 1 Hand Pump Backup with O Rings Item 12 31125 31125 12 4 O Ring only Hand Pump Mounting 17351 17351 13 1 Clamp Hose Reservoir H 48 17069 17069 14 1 Reservoir Hydraulic Fluid 30160 30160 15 1 Cap Reservoir Filler Screw On 30167 1 Plug Reservoir Breather not shown 14350 16 1 Fitting 90 1 8 NPT x 1 8 Barb Plastic 87563 87563 17 1 Connector Plastic Y 1 8 O D 18877 188...

Page 19: ...ackup Pump 22 23 19 10 13 25 21 20 28 17 14 3 4 11 27 26 Hydraulic Pump Motor Pump Side Cylinder 8 5 2 29 15 18 16 26 24 24 12 30 Hydraulic Repair For repair of a hydraulic hose or cylinder read this Service Bulletin 27049 1 Hydraulics Diagram ...

Page 20: ... 1 8 13 19 12954 12954 27 1 Retainer Push On 28805 28805 28 1 Stud Wing Head 1 4 Turn 28804 28804 29 1 Plug Window 30443 30443 30 1 Decal Removal Install Pump Cover Not shown 29051 29051 31 1 Decal Remove Install Pump Handle Not shown 29052 29052 32 1 Decal Manual Instruction Hand Pump Not shown 29082 29082 33 1 Decal Dual Relief Adjustment Not shown 32201 32201 34 1 Connector Plastic Y Not shown ...

Page 21: ... IN DO WN UP Pump Mounting Bolts Apply red 271 Thread Locker Loctite to the three pump mounting bolts items 6 and 7 if a blue nylon patch is not present on the bolts when retrofitting an M264 pump assembly Loctite is available from The Braun Corporation under part number 11522 1 Note Rear pump module shown front pump module mirror image ...

Page 22: ...NK LIFT TITE GVL936 CLAMP INSULATE 1 20535 1 4 24570 1 975 3121A 2 24440 1 GV936 0143 29 7 11513 1 14993 RING 5 16 EXT SNAP ZINC PLATED MICRO SWITCH ASSY BOLT 5 16 18 X 3 4 BHSC AUTO BK COVER BASE GVL936 RIV POP SD64BS 3 16 13 25 AUTO BK RIV POP SD66BS 3 16 25 38 AUTO BK 18 1 1 WASHER 10 FLAT AUTO BK 11541 ASSY REAR TOWER SWITCH PARTIAL FOLD 32735FA 2 NUT 3 8 16 UNC HEX LOCK AUTO BK 13617 15 18 9 ...

Page 23: ...NK LIFT TITE GL936 CLAMP INSULATE 1 20535 1 4 24570 1 975 3121A 2 24440 1 GV936 0143 30 7 11513 1 14993 RING 5 16 EXT SNAP ZINC PLATED MICRO SWITCH ASSY BOLT 5 16 18 X 3 4 BHSC AUTO BK COVER BASE GVL936 RIV POP SD64BS 3 16 13 25 AUTO BK RIV POP SD66BS 3 16 25 38 AUTO BK 18 1 1 WASHER 10 FLAT AUTO BK 11541 ASSY REAR TOWER SWITCH PARTIAL FOLD 32735FA 2 NUT 3 8 16 UNC HEX LOCK AUTO BK 13617 15 18 9 9...

Page 24: ...T LIFT TITE REAR GVL936 CLAMP INSULATE 1 20535 1 4 24570 1 975 3121A 2 24440 1 GV936 0143 7 11513 1 14993 RING 5 16 EXT SNAP ZINC PLATED MICRO SWITCH ASSY BOLT 5 16 18 X 3 4 BHSC AUTO BK COVER BASE GVL936 RIV POP SD64BS 3 16 13 25 AUTO BK RIV POP SD66BS 3 16 25 38 AUTO BK 18 1 1 WASHER 10 FLAT AUTO BK 11541 ASSY REAR TOWER SWITCH PARTIAL FOLD 32735RA 2 NUT 3 8 16 UNC HEX LOCK AUTO BK 13617 5 6 3 1...

Page 25: ...ERNAL TOOTH 13 1 15858BK BOLT CARR 5 16 18 X 3 4 AUTO BK 14 1 10068 WASHER 5 16 LOCK AUTO BK 1 6 13 4 9 8 12 11 10 5 14 7 3 2 DESCRIPTION 24011 4 2 PART NO 1 QTY 1 ITEM 936 0401RAKS BEARING FLANGE 3 4 X 3 8 12FDU06 KIT ARM PARALLEL TOP 48 FTG R INCLUDES ITEMS 1 7 3 1 10058 NUT 5 16 18 HEX AUTO BK 4 5 4 31771 SHIM WASHER 0 906 IDx1 156 ODx 030 T SS 1 996 0449 CAP PARALLEL ARM 6 2 11513 7 1 915 0703...

Page 26: ... 12FDU06 QTY ITEM 1 PART NO 936 0400FFA 1 2 4 24011 SHIM WASHER 0 906 ID X 1 156 OD X 030 T SS 3 4 31771 2 1 3 DESCRIPTION ASSY ARM PARALLEL BTM GL936 INCLUDES 1 3 BEARING FLANGE 3 4 X 3 8 12FDU06 QTY ITEM 1 PART NO 936 0402A 1 2 4 24011 SHIM WASHER 0 906 ID X 1 156 OD X 030 T SS 3 4 31771 2 1 3 Applicable For GVL936FIB2948RP GVL936FIB3048RP Applicable For GVL936FIB2948RP GVL936FIB3048RP ...

Page 27: ...ARING FLANGE 3 4 X 3 8 12FDU06 QTY ITEM 1 PART NO 936 0400RRA 1 2 4 24011 SHIM WASHER 0 906 ID X 1 156 OD X 030 T SS 3 4 31771 2 1 3 DESCRIPTION ASSY ARM PARALLEL BTM INCLUDES 1 3 BEARING FLANGE 3 4 X 3 8 12FDU06 QTY ITEM 1 PART NO 936 0402A 1 2 4 24011 SHIM WASHER 0 906 ID X 1 156 OD X 030 T SS 3 4 31771 2 1 3 Applicable For GVL936IB3144 Applicable For GVL936IB3144 ...

Page 28: ...n RETRACTED EXTENDED STROKE 14 625 37 771 23 146 CYLINDER ASSY 14 625 23 146 RETRACTED Includes Items 1 3 ELBOW 1 4 NPT 90 1 4 BARB ELBOW 7 16 20 M O RNG 37 035 ORFICE DESCRIPTION 15150 26667 1514 3 9407ARO PART NO 3 2 1 ITEM 1 1 1 QTY 30 10 2 3 1 Applicable For All Lifts ...

Page 29: ...BER BUMPER VERT CHAN 990 0341 8 1 ADAPT CYL ROLL STOP LEVER OUT 24537 9 1 SCREW 10 32X3 8 FL HD HX SKT AUTO BK 2 8 9 5 4 3 2 9 8 6 84383 32734 33291 32998 GV936 0442RW PART NO 3 2 2 2 1 1 QTY ITEM 5 4 2 2 WASHER SHIM 5 8 IDx1 ODx0 025 THICK SS DESCRIPTION PIN LIFT TITE ROLLER VISTA WMT VERTICAL CHANNEL REAR GVL936 E CLIP 3 8 SHAFT ROLLER LIFT TITE 24442 6 1 BEARING FLANGE 1 2 X 1 4 08FDU04 32408 7...

Page 30: ...ADAPT CYL ROLL STOP LEVER OUT 24537 9 1 SCREW 10 32X3 8 FL HD HX SKT AUTO BK 84383 32734 33291 32998 GV936 2436FW PART NO 3 1 2 1 1 1 QTY ITEM 5 4 1 1 WASHER SHIM 5 8 IDx1 ODx0 025 THICK SS DESCRIPTION PIN LIFT TITE ROLLER VISTA WMT VERTICAL CHANNEL FRONT GVL936 E CLIP 3 8 SHAFT ROLLER LIFT TITE 24442 6 1 BEARING FLANGE 1 2 X 1 4 08FDU04 32408 7 1 RUBBER BUMPER VERT CHAN 990 0341 8 1 ADAPT CYL ROL...

Page 31: ... 0426W WMT TUBE LOWER FOLD ARM GL936 978 2425RRW WMT TUBE UPPER FOLD ARM GVL936 6 3 2 12 10 7 9 8 14 13 15 4 5 11 1 7 6 5 4 3 1 QTY ITEM PART NO DESCRIPTION 12 11 10 8 9 2 2 2 1 1 2 1 1 1 1 1 995 0406W SLIDE PLATFORM ROTATE HANDRAIL 900 0413N PIN PIVOT LOWER ARM 18657 RING 3 4 EXT SNAP AUTO BK 205 1760 BEARING UHMW FLAT 1 226 THIN BLK 29185 BALL STUD 13MM W 3 8 16 FEMALE THREAD 12608 CLIP SAFETY G...

Page 32: ...3 8 16 x 3 4 GR5 HEX AUTO BK 2 975 2202 PIN BEARING GEAR RACK 2 2 975 2360 PIN BEARING PLATFORM SLIDE 975 2358 BEARING PLATFORM SLIDE 2 5 26327 BOLT 5 16 18 X 1 1 4 LHSHCS AUTO BK 10 PAD ROLL STOP FOOT STOWED 2 975 2379 LINK PLATFORM VERT CHANNEL V955 0333N 2 13 PLUG INTERIOR PLASTIC PUSH BLACK 4 11 P50067 BK 2 12 975 2329BKN GEAR RACK PLATFORM FOLD 14 BEARING FLANGE 1 X 1 2 16FDU08 BEARING FLANGE...

Page 33: ...R5 HEX AUTO BK 2 975 2202 PIN BEARING GEAR RACK 975 2360 PIN BEARING PLATFORM SLIDE 2 2 975 2334 PIN BEARING GEAR RACK 2 5 26327 BOLT 5 16 18 X 1 1 4 LHSHCS AUTO BK 10 PAD ROLL STOP FOOT STOWED 2 975 2379 LINK PLATFORM VERT CHANNEL V955 0333N 2 13 PLUG INTERIOR PLASTIC PUSH BLACK 4 11 P50067 BK 2 12 975 2329BKN GEAR RACK PLATFORM FOLD 14 BEARING FLANGE 1 X 1 2 16FDU08 4 28031 15 BEARING FLANGE 1 2...

Page 34: ...N BEARING GEAR RACK 2 975 2358 BEARING PLATFORM SLIDE 2 975 2360 PIN BEARING PLATFORM SLIDE 2 5 26327 BOLT 5 16 18 X 1 1 4 LHSHCS AUTO BK 10 PAD ROLL STOP FOOT STOWED 2 975 2379 LINK PLATFORM VERT CHANNEL V955 0333N 2 13 PLUG INTERIOR PLASTIC PUSH BLACK 4 11 P50067 BK 2 12 975 2329BKN GEAR RACK PLATFORM FOLD 14 BEARING FLANGE 1 X 1 2 16FDU08 4 28031 15 BEARING FLANGE 1 2 X 1 4 08FDU04 4 24442 16 B...

Page 35: ...8 13 4 11567 SCREW 5 16 18 X 5 16 SET 15 4 17192P SCREW 10 32X1 2 FDHXS AUTO BLK WPAT EA 20 21 2 31456 WASHER FENDER 266 IDX 875 ODX 047 2 13710 RING 1 4 EXT SNAP 1 5 10 1 11 12 ROD 5 32 TORSION SPRING BAR RR 1 28132R COLLAR ROLL STOP TORSION BAR 1 995 0208 14 2 11563 SCREW 1 4 20 X 1 4 SET CUP PT PART NO QTY ITEM DESCRIPTION PART NO QTY ITEM DESCRIPTION 9 19 9 4 17 7 3 16 15 15 8 10 19 13 13 13 1...

Page 36: ...30227 18 2 17 19 4 WASHER UHMW 0 75 OD X 0 39 ID X 0 25 NUT 10 32 W LOCKWASHER AUTO BK 2 8 13 4 11567 SCREW 5 16 18 X 5 16 SET 15 4 17192P SCREW 10 32X1 2 FDHXS AUTO BLK WPAT EA 20 21 2 31456 WASHER FENDER 266 IDX 875 ODX 047 2 13710 RING 1 4 EXT SNAP 1 5 10 1 11 12 ROD 5 32 TORSION SPRING BAR RR 1 28132R COLLAR ROLL STOP TORSION BAR 1 995 0208 14 2 11563 SCREW 1 4 20 X 1 4 SET CUP PT PART NO QTY ...

Page 37: ...7 18 2 17 19 4 WASHER UHMW 0 75 OD X 0 39 ID X 0 25 NUT 10 32 W LOCKWASHER AUTO BK 2 8 13 4 11567 SCREW 5 16 18 X 5 16 SET 15 4 17192P SCREW 10 32X1 2 FDHXS AUTO BLK WPAT EA 20 21 2 31456 WASHER FENDER 266 IDX 875 ODX 047 2 13710 RING 1 4 EXT SNAP 1 5 10 1 11 12 ROD 5 32 TORSION SPRING BAR RR 1 28132R COLLAR ROLL STOP TORSION BAR 1 V955 0208 14 2 11563 SCREW 1 4 20 X 1 4 SET CUP PT PART NO QTY ITE...

Page 38: ...DISC SPRING 1 004 X 516 WASHER 156ID X 1OD X 0269 AUTO BK 2 8 13 2 25336 WASHER 516ID X 75OD X 0250 AUTO BK 15 2 24442 BEARING FLANGE 1 2 X 1 4 08FDU04 20 21 22 23 2 2 2 2 10064 10069BK 10025 24012 WASHER 3 8 FLAT AUTO BK WASHER 3 8 LOCK AUTO BK BOLT 3 8 16 X 1 HEX AUTO BK BEARING FLANGE 3 4 X 1 4 12FDU04 1 5 10 2 11 12 LEVER INBOARD BARRIER 2 975 6404 WASHER 1 4 FLAT AUTO BK 6 10062 14 2 13273 RI...

Page 39: ...LEVER UPPER PIVOT BRIDGEPLATE LEVER UPPER OUTER 15328 27276 18 2 17 19 2 WASHER FINGER DISC SPRING 1 004 X 516 WASHER 156ID X 1OD X 0269 AUTO BK 2 8 13 2 25336 WASHER 516ID X 75OD X 0250 AUTO BK 15 2 24442 BEARING FLANGE 1 2 X 1 4 08FDU04 20 21 22 23 2 2 2 2 10064 10069BK 10025 24012 WASHER 3 8 FLAT AUTO BK WASHER 3 8 LOCK AUTO BK BOLT 3 8 16 X 1 HEX AUTO BK BEARING FLANGE 3 4 X 1 4 12FDU04 1 5 10...

Page 40: ... UPPER PIVOT BRIDGEPLATE LEVER UPPER OUTER 15328 27276 18 2 17 19 2 WASHER FINGER DISC SPRING 1 004 X 516 WASHER 156ID X 1OD X 0269 AUTO BK 2 8 13 2 25336 WASHER 516ID X 75OD X 0250 AUTO BK 15 2 24442 BEARING FLANGE 1 2 X 1 4 08FDU04 20 21 22 23 2 2 2 2 10064 10069BK 10025 24012 WASHER 3 8 FLAT AUTO BK WASHER 3 8 LOCK AUTO BK BOLT 3 8 16 X 1 HEX AUTO BK BEARING FLANGE 3 4 X 1 4 12FDU04 1 5 10 2 11...

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: ...lication The Braun Corporation reserves the right to make changes at any time without notice All illustrations descriptions and specifications in this manual 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 Providing Access to the World 34179 Rev A December 2007 34179 Rev A December ...

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