Braun NL Series - Manuals

Page 3 Warranty and Registration Instructions Model No. Series No. Serial No. Pump Code Cylinder Code Date of Manufacture Note: This information must be provided ZKHQÀOLQJD warranty claim or ordering parts. Keep for future use.

Page 4 UN FO LD FO LD DOWN UP 32 81 9 32 82 0 Pump Module Hand-Held Pendant Control BasePlate Top Parallel Arms (2) Adjustable Quiet-Ride Stow Blocks (2) Main Cylinders (2) Vertical Arm Covers (4) Opposite Pump Side Vertical Arm Handrails (2) Outer Barrier Cylinder (not visible -underside of platfor...

Page 5 Lift Terminology Introduction: Braun NL Millennium Series lifts are ADA compliant and comply fully with National +LJKZD\7UDIÀF6DIHW\$GPLQLV - WUDWLRQ1+76$VSHFLÀFDWLRQV The NL is commercial oriented (intended for operation by an attendant). Lift models vary per size (lift model numbers indicat...

Page 6 Lift Terminology Lift Terminology Lift Frame: The lift frame con- sists of the base plate, threshold warning plate, towers, parallel arms, vertical arms, platform pivot arms and handrails. Two main hydraulic cylinders are housed in the parallel arms.The electrical/hydraulic powered lift frame...

Page 7 Lift Terminology Vehicle and Lift Interlocks Braun Corporation NL917IBSeries lifts comply fully with all NHTSA vehicle and lift interlock VSHFLÀFDWLRQV9HKLFOHPRYH - ment is prohibited unless the lift is fully stowed and the lift will not function unless the vehicle is parked and secured. The ...

Page 8 Lift Terminology F. FOLD (In) - Platform Fold: Fold is the action of the platform URWDWLQJXSDQGLQIURPWKHÁRRU level (horizontal) position to fully-stowed (vertical) position when the FOLD switch is pressed. Stowed Position: The lift is stowed when the lift platform has been fully raised and fo...

Page 9 Safety Symbols Lift Operation Safety SAF E TY FIRST! Know That.... C CAUTION This symbol indicates important information regarding how to avoid a hazardous situation that could result in minor per-sonal injury or prop-erty damage. A supplements (if included), is pro-vided for your safety. Fam...

Page 10 Lift Operation Safety Precautions WARNING If the lift operating instructions, manual operating instructions and/or lift operation safety precautions are not fully understood, contact The Braun Corporation immedi-ately. Failure to do so may result in serious bodily injury and/or property dama...

Page 11 WARNING Whenever a wheelchair passenger (or standee) is on the platform, the: • Passenger must be positioned fully inside yellow boundaries• Wheelchair brakes must be locked• Inner roll stop and outer barrier must be up (vertical)• Outer barrier latch must be fully engaged• Passenger should ...

Page 12 Lift Operation Safety Lift attendants must ensure that lift occupants keep hands, arms and all other body parts within the lift occupant area and clear of moving parts. 3ODWIRUPPXVWEHSRVLWLRQHGDWÁRRUOHYHOUROOVWRSKHLJKW when loading or unloading in and out of vehicle. Do not use platform inne...

Page 13 Lift Operation Safety WARNING Accidental activation of control switch(es) may cause unintended operation(s). 0DLQWHQDQFHDQGOXEULFDWLRQSURFHGXUHVPXVWEHSHUIRUPHGDVVSHFLÀHGLQWKLVPDQXDOE\DXWKRUL]HGFHUWLÀHGVHUYLFHSHUVRQQHO Replace missing, worn or illegible decals. Keep owner’s (operator's) manua...

Page 14 Operation Notes and Details NL Series “Public Use” lift models DUHVSHFLÀFDOO\GHVLJQHGWREH operated by an attendant. The Lift Operating Instructions contained in this manual and posted on the lift provide instructions for op-eration of the lift only . Read and become familiar with all lift op...

Page 15 Operation Notes and Details General Safety: The lift operator (attendant) and bystanders must keep clear of the area in which the lift operates and clear of all moving parts. Lift attendants must ensure that lift occupants (passengers) keep hands, arms and all other body parts within the lif...

Page 16 Operation Notes and Details Lift Features WARNING Discontinue lift use immediately if any lift component does not operate prop-erly. Failure to do so may result in serious bodily injury and/or property damage. information is not understood. Lift-Tite ™ Latches: NL Series lifts are equipped w...

Page 17 vent the platform from unfolding from the stowed position in the event of platform drift. Due to the “all-hydraulic” operation of the dual-cylinder NL, hydraulic ÁXLGH[SDQVLRQFRQWUDFWLRQRU seepage may occur. Any of these conditions may result in platform drift (failure to hold the platform i...

Page 18 Lift Features (continued) Inner Roll Stop Fully-Deployed (vertical) Inner Roll Stop The inner roll stop must overlap the base plate a minimum 1/2" . Fully-Unfolded (horizontal) Inner Roll Stop (bridging position) Operation Notes and Details Inner Roll Stop: NL Series lift models are equi...

Page 19 Operation Notes and Details horizontal (bridging) position ZKHQLWUHDFKHVYHKLFOHÁRRUOHY - el. The roll stop must overlap the lift base plate a minimum 1/2". When the FOLD switch is pressed and the platform folds IURPÁRRUOHYHOWRWKHVWRZYHUWL - cal) position, the roll stop auto- matically tr...

Page 20 3" Note: Platform must raise approximately three inches before latch engages fully . Outer Barrier Fully-Unfolded Barrier (Ramp position) Fully-Folded Outer Barrier (Up-vertical) Disengaged Outer Barrier Latch Operation Notes and Details Lift Features (continued) Discontinue lift operati...

Page 21 Operation Notes and Details After the platform is fully low-ered, the attendant should con-tinue to press the DOWN switch to unfold the outer barrier fully (ramp position). Note: The barrier must be fully unfolded until the entire wheelchair (or standee) has crossed the barrier when loading ...

Page 22 Operation Notes and Details ity of the lift. The lift attendant should not ride on the platform with the passenger. Passenger Orientation (Board-ing Direction): Braun NL Series wheelchair lifts accommodate both inboard and outboard facing wheelchair passengers or standees. Inboard facing of ...

Page 23 Operation Notes and Details cated on the pump-side platform side plate. A yellow boundary VWULSGHFDOLVDIÀ[HGWRWKHRS - posite platform side plate. Yellow plastic caps are placed on the dual handrails. The threshold warning plate is powder-coated yellow to iden-tify the platform threshold area...

Page 24 Operation Notes and Details The wheelchair brakes must be locked , the outer barrier must be in the fully-up (vertical) position and the outer barrier latch must be fully engaged whenever a passenger is on the platform . Do not use the outer barrier as a brake. Stop and brake the wheelchair ...

Page 25 Operation Notes and Details Wheelchair- E quipped Occupant Seat Belts The Braun Corporation recom-mends wheelchair passengers position and buckle their wheel- WARNING Operation Procedure Review The Braun Corporation rec-ommends that transit agency supervisors and wheelchair lift attendants r...

Page 26 Transit agency supervisors should train and educate their lift attendants on the proper use and operation of the wheelchair lift if it is not possible for the attendants to review the safety precautions and operation pro-cedures with the wheelchair lift sales representative. The lift operato...

Page 27 WARNING Read and become familiar with all lift operation safety precautions, opera-tion notes and details, operating instructions and manual operat-ing instructions prior to operating the lift.If this information is not fully understood, contact The Braun Corporation immedi-ately. Failure to...

Page 31 J L To Load Passenger (continued) : 2 . Press UP switch (Photo I ) to fold outer barrier UP fully (vertical - see Photo H ), and raise the plat- form to ÁRRUOHYHO . See Photo J . Release switch. 3 . Unlock wheelchair brakes and unload passenger from platform. To Fold Platform: Press FOLD swi...

Page 32 NHTSA Operations Checklist WARNING Discontinue lift use immediately if any lift or vehicle interlock does not operate properly. Failure to do so may result in serious bodily injury and/or property damage. 9HULÀHG Vehicle movement is prevented unless the lift door is closed, ensuring the lift...

Page 33 Manual Operating Instructions If you experience power or equipment failure, refer to the Manual Operating Instructions to operate the lift. Instructions and photos are provided for all steps that differ from stan-dard lift operation procedures.The Manual Instructions decal (posted inside pum...

Page 34 Manual Operating Instructions Release Valve maximum 30 inch lbs minimum 15 inch lbs seats (stops) O P E N C L O S E approximate 1/16" intervals Valve Tightening 6SHFLÀFDWLRQ Once valve seats (stops), tighten 15to 30 inch pounds as shown. Release Valve Note: Close backup pump release valv...

Page 35 Manual Operating Instructions Remove pump cover to access hand pump and pump handle as outlined on page 33. Refer to release valve photos and illustra-tion on page 34. To Unfold Platform (Out): Place slotted end of pump handle onto backup pump release valve and turn counterclockwise (open 1/...

Page 36 Stroking Hand Pump Open (Down) Close (Up/Stop) Up (To Raise): Manual Operating Instructions E Using hand pump handle: 1. Place slotted end of pump han- dle onto backup pump release valve and turn clockwise to close securely. See Photo D. Note: Valve must be tight, but do not overtighten. 2. ...

Page 37 Manual Operating Instructions To Store Pump Handle: 1. Insert bottom of handle behind bottom clip. See page 33. 2. Rotate top clip to secure (lock) handle. To Install Pump Cover: 1. Position cover over module back cover and red warning light. See Photo F. 2. Align outside cover lip with bott...

Page 38 WARNING LIFT OPERATINGINSTRUCTIONS OPEN DOOR(S) AND SECURE TO UNFOLD PLATFORM: Stand clear and press UNFOLD s w itch until platform stops (reaches floor level). Note: In event platform does not unfold, press FOLD s w itch to release Lift-Tite™ latches. TO UNLOAD PASSENGER: 1. Load passenger ...

Page 39 Decals and Antiskid 25580 32410 57 – Outer barrier is not up and latched and ground detect switch did not deactivate (Century and Vista only) 58 – Outer barrier is not up and latched and the platform is 3 " above the ground 59 – Outer barrier is not up after pausing platform travel 60 – ...

Page 40 Decals and Antiskid 29051 MANUAL OPERATION Turn w ing 1/4 turn for hand pump access. 29051 Lock Unlock 1" Wide Yellow Boundary Tape 30236R (order by the inch as needed) WARNING Contact The BraunCorporation beforeadjusting hydraulicpressure relief valve. Failure to do so may result in ser...

Page 41 Maintenance and Lubrication Proper maintenance is necessary to ensure safe, troublefree operation. Inspecting the lift for any wear, damage or other abnormal conditions should be a part of all transit agencies's daily service program. Simple inspections can detect potential problems. The mai...

Page 42 Maintenance and Lubrication All listed inspection, lubrication and maintenance procedures should be repeated at “750 cycle” intervals following the scheduled “4500 Cycles” maintenance. These intervals are a general guideline for scheduling maintenance procedures and will vary according to li...

Page 44 Maintenance and Lubrication Schedule 750 Cycles Outer barrier hinge pivot points (2) Outer barrier latch (pivot/slide points) Outer barrier latch lever pivot points Lift-Tite ™ latches (tower pivot points - 2) Lift-Tite ™ latch gas (dampening) spring pivot points (2 springs - 4 points) Inspe...

Page 45 Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagra...

Page 47 Maintenance and Lubrication Schedule Resecure, replace or correct as needed Use Braun 32840-QT (Exxon ® Univis HVI 26) K\GUDXOLFÁXLG do not mix with Dextron III or other K\GUDXOLFÁXLGV&KHFNÁXLGOHYHOZLWK platform lowered fully and roll stop unfolded fully . Fill WRZLWKLQßRIWKHERWWRPRIWKHß...

Page 49 Maintenance and Lubrication Schedule 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 or illegible. Re-place antiskid if worn or missing. See Decals and Antiskid section on pages 38...

"Providing Access to the World" ® Over 300 Braun Dealers Worldwide

Operator's Manual The Braun Corporation of Winamac, Indiana, warrants its wheelchair lift against defects in material and workmanship for up to five years*, providing the lift is installed, operated and maintained properly and in conformity with this manual. This warranty is limited to the original ...

Page 3 Warranty and Registration Instructions Model No. Series No. Serial No. Pump Code Cylinder Code Date of Manufacture Note: This information must be provided ZKHQÀOLQJD warranty claim or ordering parts. Keep for future use.

Page 4 UN FO LD FO LD DOWN UP 32 81 9 32 82 0 Pump Module Hand-Held Pendant Control BasePlate Top Parallel Arms (2) Adjustable Quiet-Ride Stow Blocks (2) Main Cylinders (2) Vertical Arm Covers (4) Opposite Pump Side Vertical Arm Handrails (2) Outer Barrier Cylinder (not visible -underside of platfor...

Page 5 Lift Terminology Introduction: Braun NL Millennium Series lifts are ADA compliant and comply fully with National +LJKZD\7UDIÀF6DIHW\$GPLQLV - WUDWLRQ1+76$VSHFLÀFDWLRQV The NL is commercial oriented (intended for operation by an attendant). Lift models vary per size (lift model numbers indicat...

Page 6 Lift Terminology Lift Terminology Lift Frame: The lift frame con- sists of the base plate, threshold warning plate, towers, parallel arms, vertical arms, platform pivot arms and handrails. Two main hydraulic cylinders are housed in the parallel arms.The electrical/hydraulic powered lift frame...

Page 7 Lift Terminology Vehicle and Lift Interlocks Braun Corporation NL917IBSeries lifts comply fully with all NHTSA vehicle and lift interlock VSHFLÀFDWLRQV9HKLFOHPRYH - ment is prohibited unless the lift is fully stowed and the lift will not function unless the vehicle is parked and secured. The ...

Page 8 Lift Terminology F. FOLD (In) - Platform Fold: Fold is the action of the platform URWDWLQJXSDQGLQIURPWKHÁRRU level (horizontal) position to fully-stowed (vertical) position when the FOLD switch is pressed. Stowed Position: The lift is stowed when the lift platform has been fully raised and fo...

Page 9 Safety Symbols Lift Operation Safety SAF E TY FIRST! Know That.... C CAUTION This symbol indicates important information regarding how to avoid a hazardous situation that could result in minor per-sonal injury or prop-erty damage. A supplements (if included), is pro-vided for your safety. Fam...

Page 10 Lift Operation Safety Precautions WARNING If the lift operating instructions, manual operating instructions and/or lift operation safety precautions are not fully understood, contact The Braun Corporation immedi-ately. Failure to do so may result in serious bodily injury and/or property dama...

Page 11 WARNING Whenever a wheelchair passenger (or standee) is on the platform, the: • Passenger must be positioned fully inside yellow boundaries• Wheelchair brakes must be locked• Inner roll stop and outer barrier must be up (vertical)• Outer barrier latch must be fully engaged• Passenger should ...

Page 12 Lift Operation Safety Lift attendants must ensure that lift occupants keep hands, arms and all other body parts within the lift occupant area and clear of moving parts. 3ODWIRUPPXVWEHSRVLWLRQHGDWÁRRUOHYHOUROOVWRSKHLJKW when loading or unloading in and out of vehicle. Do not use platform inne...

Page 13 Lift Operation Safety WARNING Accidental activation of control switch(es) may cause unintended operation(s). 0DLQWHQDQFHDQGOXEULFDWLRQSURFHGXUHVPXVWEHSHUIRUPHGDVVSHFLÀHGLQWKLVPDQXDOE\DXWKRUL]HGFHUWLÀHGVHUYLFHSHUVRQQHO Replace missing, worn or illegible decals. Keep owner’s (operator's) manua...

Page 14 Operation Notes and Details NL Series “Public Use” lift models DUHVSHFLÀFDOO\GHVLJQHGWREH operated by an attendant. The Lift Operating Instructions contained in this manual and posted on the lift provide instructions for op-eration of the lift only . Read and become familiar with all lift op...

Page 15 Operation Notes and Details General Safety: The lift operator (attendant) and bystanders must keep clear of the area in which the lift operates and clear of all moving parts. Lift attendants must ensure that lift occupants (passengers) keep hands, arms and all other body parts within the lif...

Page 16 Operation Notes and Details Lift Features WARNING Discontinue lift use immediately if any lift component does not operate prop-erly. Failure to do so may result in serious bodily injury and/or property damage. information is not understood. Lift-Tite ™ Latches: NL Series lifts are equipped w...

Page 17 vent the platform from unfolding from the stowed position in the event of platform drift. Due to the “all-hydraulic” operation of the dual-cylinder NL, hydraulic ÁXLGH[SDQVLRQFRQWUDFWLRQRU seepage may occur. Any of these conditions may result in platform drift (failure to hold the platform i...

Page 18 Lift Features (continued) Inner Roll Stop Fully-Deployed (vertical) Inner Roll Stop The inner roll stop must overlap the base plate a minimum 1/2" . Fully-Unfolded (horizontal) Inner Roll Stop (bridging position) Operation Notes and Details Inner Roll Stop: NL Series lift models are equi...

Page 19 Operation Notes and Details horizontal (bridging) position ZKHQLWUHDFKHVYHKLFOHÁRRUOHY - el. The roll stop must overlap the lift base plate a minimum 1/2". When the FOLD switch is pressed and the platform folds IURPÁRRUOHYHOWRWKHVWRZYHUWL - cal) position, the roll stop auto- matically tr...

Page 20 3" Note: Platform must raise approximately three inches before latch engages fully . Outer Barrier Fully-Unfolded Barrier (Ramp position) Fully-Folded Outer Barrier (Up-vertical) Disengaged Outer Barrier Latch Operation Notes and Details Lift Features (continued) Discontinue lift operati...

Page 21 Operation Notes and Details After the platform is fully low-ered, the attendant should con-tinue to press the DOWN switch to unfold the outer barrier fully (ramp position). Note: The barrier must be fully unfolded until the entire wheelchair (or standee) has crossed the barrier when loading ...

Page 22 Operation Notes and Details ity of the lift. The lift attendant should not ride on the platform with the passenger. Passenger Orientation (Board-ing Direction): Braun NL Series wheelchair lifts accommodate both inboard and outboard facing wheelchair passengers or standees. Inboard facing of ...

Page 23 Operation Notes and Details cated on the pump-side platform side plate. A yellow boundary VWULSGHFDOLVDIÀ[HGWRWKHRS - posite platform side plate. Yellow plastic caps are placed on the dual handrails. The threshold warning plate is powder-coated yellow to iden-tify the platform threshold area...

Page 24 Operation Notes and Details The wheelchair brakes must be locked , the outer barrier must be in the fully-up (vertical) position and the outer barrier latch must be fully engaged whenever a passenger is on the platform . Do not use the outer barrier as a brake. Stop and brake the wheelchair ...

Page 25 Operation Notes and Details Wheelchair- E quipped Occupant Seat Belts The Braun Corporation recom-mends wheelchair passengers position and buckle their wheel- WARNING Operation Procedure Review The Braun Corporation rec-ommends that transit agency supervisors and wheelchair lift attendants r...

Page 26 Transit agency supervisors should train and educate their lift attendants on the proper use and operation of the wheelchair lift if it is not possible for the attendants to review the safety precautions and operation pro-cedures with the wheelchair lift sales representative. The lift operato...

Page 27 WARNING Read and become familiar with all lift operation safety precautions, opera-tion notes and details, operating instructions and manual operat-ing instructions prior to operating the lift.If this information is not fully understood, contact The Braun Corporation immedi-ately. Failure to...

Page 31 J L To Load Passenger (continued) : 2 . Press UP switch (Photo I ) to fold outer barrier UP fully (vertical - see Photo H ), and raise the plat- form to ÁRRUOHYHO . See Photo J . Release switch. 3 . Unlock wheelchair brakes and unload passenger from platform. To Fold Platform: Press FOLD swi...

Page 32 NHTSA Operations Checklist WARNING Discontinue lift use immediately if any lift or vehicle interlock does not operate properly. Failure to do so may result in serious bodily injury and/or property damage. 9HULÀHG Vehicle movement is prevented unless the lift door is closed, ensuring the lift...

Page 33 Manual Operating Instructions If you experience power or equipment failure, refer to the Manual Operating Instructions to operate the lift. Instructions and photos are provided for all steps that differ from stan-dard lift operation procedures.The Manual Instructions decal (posted inside pum...

Page 34 Manual Operating Instructions Release Valve maximum 30 inch lbs minimum 15 inch lbs seats (stops) O P E N C L O S E approximate 1/16" intervals Valve Tightening 6SHFLÀFDWLRQ Once valve seats (stops), tighten 15to 30 inch pounds as shown. Release Valve Note: Close backup pump release valv...

Page 35 Manual Operating Instructions Remove pump cover to access hand pump and pump handle as outlined on page 33. Refer to release valve photos and illustra-tion on page 34. To Unfold Platform (Out): Place slotted end of pump handle onto backup pump release valve and turn counterclockwise (open 1/...

Page 36 Stroking Hand Pump Open (Down) Close (Up/Stop) Up (To Raise): Manual Operating Instructions E Using hand pump handle: 1. Place slotted end of pump han- dle onto backup pump release valve and turn clockwise to close securely. See Photo D. Note: Valve must be tight, but do not overtighten. 2. ...

Page 37 Manual Operating Instructions To Store Pump Handle: 1. Insert bottom of handle behind bottom clip. See page 33. 2. Rotate top clip to secure (lock) handle. To Install Pump Cover: 1. Position cover over module back cover and red warning light. See Photo F. 2. Align outside cover lip with bott...

Page 38 WARNING LIFT OPERATINGINSTRUCTIONS OPEN DOOR(S) AND SECURE TO UNFOLD PLATFORM: Stand clear and press UNFOLD s w itch until platform stops (reaches floor level). Note: In event platform does not unfold, press FOLD s w itch to release Lift-Tite™ latches. TO UNLOAD PASSENGER: 1. Load passenger ...

Page 39 Decals and Antiskid 25580 32410 57 – Outer barrier is not up and latched and ground detect switch did not deactivate (Century and Vista only) 58 – Outer barrier is not up and latched and the platform is 3 " above the ground 59 – Outer barrier is not up after pausing platform travel 60 – ...

Page 40 Decals and Antiskid 29051 MANUAL OPERATION Turn w ing 1/4 turn for hand pump access. 29051 Lock Unlock 1" Wide Yellow Boundary Tape 30236R (order by the inch as needed) WARNING Contact The BraunCorporation beforeadjusting hydraulicpressure relief valve. Failure to do so may result in ser...

Page 41 Maintenance and Lubrication Proper maintenance is necessary to ensure safe, troublefree operation. Inspecting the lift for any wear, damage or other abnormal conditions should be a part of all transit agencies's daily service program. Simple inspections can detect potential problems. The mai...

Page 42 Maintenance and Lubrication All listed inspection, lubrication and maintenance procedures should be repeated at “750 cycle” intervals following the scheduled “4500 Cycles” maintenance. These intervals are a general guideline for scheduling maintenance procedures and will vary according to li...

Page 44 Maintenance and Lubrication Schedule 750 Cycles Outer barrier hinge pivot points (2) Outer barrier latch (pivot/slide points) Outer barrier latch lever pivot points Lift-Tite ™ latches (tower pivot points - 2) Lift-Tite ™ latch gas (dampening) spring pivot points (2 springs - 4 points) Inspe...

Page 45 Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagram Apply Light Oil - See Lubrication Diagra...

Page 47 Maintenance and Lubrication Schedule Resecure, replace or correct as needed Use Braun 32840-QT (Exxon ® Univis HVI 26) K\GUDXOLFÁXLG do not mix with Dextron III or other K\GUDXOLFÁXLGV&KHFNÁXLGOHYHOZLWK platform lowered fully and roll stop unfolded fully . Fill WRZLWKLQßRIWKHERWWRPRIWKHß...

Page 49 Maintenance and Lubrication Schedule 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 or illegible. Re-place antiskid if worn or missing. See Decals and Antiskid section on pages 38...

"Providing Access to the World" ® Over 300 Braun Dealers Worldwide

Operator's Manual The Braun Corporation of Winamac, Indiana, warrants its wheelchair lift against defects in material and workmanship for up to five years*, providing the lift is installed, operated and maintained properly and in conformity with this manual. This warranty is limited to the original ...