Braun A5 User Manual

Service Manual for:

CKA

Vista

HZg^Zh

Public Use Wheelchair Lifts

Series A5

DOT — Public Use Lift

“DOT — Public Use Lift” verifies that this platform lift meets the “public use lift” requirements of FMVSS No. 403. This lift may be installed on all vehicles appropriate for the size and weight of the lift, but must be installed on buses, school buses, and multipurpose passenger vehicles other than motor homes with a gross vehicle weight rating (GVWR) that exceeds 4,536 kg (10,000 lb).

A5

W

A

R N I N G

Man

ual

"Providing Access to the World"

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

1-800-THE LIFT

33917 Rev. A

February

2008

®

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

Patent #5,261,779

Patent #6,065,924

Patent #6,238,169

Patent #6,464,447

Patent #6,599,079

Patent #6,692,217

Patent #6,739,824

Patent #6,837,670

® ®

Patents Pending

Read manual before installing or servicing lift. Failure to do so may result in serious bodily injury and/or property damage.

Braun NVL Series

OWNER'S WARRANTY REGISTRATION

PURCHASED FROM

DATE INSTALLED

NAME

ADDRESS

CITY

TELEPHONE

TO VALIDATE WARRANTY

REGISTRATION CARDS MUST BE RETURNED TO THE BRAUN CORPORATION.

OWNER

STATE ZIP

Congratulations

We at The Braun Corporation wish to express our fullest appreciation

on your new purchase. With you in mind, our skilled craftsmen have designed and assembled the ﬁnest lift available. This manual provides service-related material. Refer to the FMVSS No. 403 Quick Reference Installation Sheet for installation instructions, operating instructions and maintenance procedures. Braun Vista Series™ lifts are built for dependability and will provide years of pleasure and independence as long as the lift is installed and serviced as speciﬁed by a Braun certiﬁed technician, and the lift is operated by an instructed person.

Sincerely, THE BRAUN CORPORATION

Ralph W. Braun Chief Executive Ofﬁcer

Warranty and Registration Instructions

Immediately upon receiving the lift, examine the unit for any damage. Notify the carrier at once

Series No. Pump Code

Serial No.Model No. Cylinder Code

with any claims.

NVL917IB A5-00025 55 14CG

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 warranty is provided on the back cover of this manual. The warranty cards must be processed to

Sample Warranty/Registration Card

activate the warranty.

Two Braun Serial No./Series No. identiﬁcation tags (shown below) are posted on the lift. One I.D. tag is posted on the opposite pump side vertical arm. A second I.D. tag is located on the opposite pump side tower. Both I.D. tags provide the product identiﬁcation information provided on the warranty/registration card. Record the information in the space provided (or document on a copy). This information must be provided when ﬁling a warranty claim or ordering parts.

The Braun Corporation

1-800-THE LIFT™

BRAUNLIFT.COM™

DOT Public Use Lift MODEL#

NVL917IB

Max. Lifting Capacity - 800 lbs.

SERIAL NUMBER

A5-00025

PUMP CODE CYLINDER

55 14CG

MFG DATE

09/20/06

e5*72/245*95/54*0110*00

PATENT

5,261,779-6,065,924-6,238,169-6,46

PENDING-

4,447-6,599,079-6,692,217-6,739,824

Model No.

Series No.

Serial No.

Pump Code

Cylinder Code

Sample Serial No./Series No. Identiﬁcation Tag

Date of Manufacture

Contents

Troubleshooting and Maintenance

Lift Terminology............................................................. 2

Switch and Sensor Locations ..................................... 3

Certiﬁcation Checklist Diagnostic Procedures ......... 4

Platform Fold Pressure Adjustment ............................ 5

Platform Angle Adjustment ....................................... 6-7

Platform Stop Blocks .................................................... 7

Platform Foor Level Adjustment .................................. 8

Bridging Microswitch Adjustment ............................... 9

LCD Lift Codes ....................................................... 10-11

Lubrication Diagram .................................................... 12

Maintenance and Lubrication Schedule ............... 13-16

Lift Electrical Schematic ............................................ 17

Lift Wiring Diagram .................................................... 18

Hydraulics

Hydraulic Schematic .................................................. 19

Hydraulics Parts List .................................................. 20

Hydraulics Diagram .................................................... 21

Repair Parts

Pump Module

Pump Module Parts List ....................................... 22

Pump Module Diagram ......................................... 23

Lift Exploded View

Repair Parts List .................................................... 24

Exploded View ........................................................ 25

Notes ............................................................................ 26

Page 1

Hand-Held

Pendant

Control

9 1 8 2 3

OWN D

UP

D

L O F UN

0 2 8 2 3

®

FOLD

Visual

Threshold

Warning

Threshold

Audible

Warning

(not visible)

Lift Terminology

Towers (2)

Lift-Tite™ Latches (2)

Top Parallel Arms (2)

Main Cylinders (2)

Unfold Assist Compression Springs (2)

Adjustable Quiet-Ride Stow Blocks (2)

Platform Lights

Vertical Arm Covers (4)

Pump

Module

(Rear)

Base Plate

Bottom Parallel

Arms (2)

Upper Fold Arm (2)

Lower Fold Arm (2)

Saddle (2)

Pump Side Vertical Arm

Threshold

Warning

Plate

Platform Side Plates (2)

Handrails (2)

Opposite Pump Side Vertical Arm

Inner Roll Stop

Inboard

Platform

Outboard

Platform

Outer Barrier

(Automatic Outboard Roll Stop)

Page 2

Inboard

Left

Right

Outboard

Switch and Sensor Locations

Inboard

Right

Threshold Strip Switch 31221A (Qty. 2)

*Stow Microswitch

23184 (Qty. 2)

*Rotary Position Sensor

31194A

Left

9 1

N

8 2 3

W O D

P U

LD FO N

U

D

0

L

2 8 2 3

®

FO

Outboard

*Ground Detect

Magnet 31664

*Ground Detect

Magnetic Sensor 30433A60

*IB Occupancy

Microswitch Assy. 31643A

*Note: Mirror image for right (front) pump lifts.

*Bridging

Microswitch 975-0443RNA 975-0443FNA (Front Pump)

(Rear Pump)

*Outer Barrier Raised

Magnetic Sensor 30433A60

*Outer Barrier

Raised Magnet 31664

Page 3

Certiﬁcation Checklist Diagnostic Procedures

The following operations and conditions must be functionally veriﬁed in order for the lift to be FMVSS 403/404 compliant. If an operation does not function as described or a condition is not met, follow the referenced procedures to correct the problem or contact a Braun Corporation Product Support representative at 1-800-THE LIFT

• Vehicle movement is prevented unless the lift door is closed, ensuring the lift is stowed.

1. Verify on the pump module mounted interlock connector that the lift not stowed signal (pin 5) has an open signal - OR - lift stowed signal (pin 7) has a +12 volt signal - OR - (pin 9) has a ground signal (depends on interlock used).

2. Refer to the interlock installation instructions.

• Lift operation shall be prevented unless the vehicle is stopped and vehicle movement is prevented.

1. Verify vehicle secure signal (pin 6) has a +12 volt signal.

2. 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 Product Support

• The outer barrier will not raise if occupied.

- Call Product Support

• Verify platform lighting when lift is deployed and pendant illumination when lift is powered.

1. Replace bulb(s) in the light housing.

2. Check fuse (5 amp fuse on circuit board; F13)

• A visual and audible warning will activate if the threshold area is occupied when the platform is at least 1"

below ﬂoor level.

1. Remove the threshold warning plate

2. Verify the threshold strip switch connectors are connected

3. Replace the threshold strip switch

4. Reinstall the threshold warning plate

• Platform movement is prohibited beyond the position where the inner roll stop is fully deployed (up).

- Call Product Support.

• Lift platform movement shall be interrupted unless the outer barrier is deployed (up).

- Call Product Support.

Page 4

Platform Fold Pressure Adjustment

1. Position the platform at the ﬂoor level loading position.

2. Loosen the hex nut on the adjustment screw (do not remove hex nut).

3. Turn the adjustment screw counter clockwise until the platform does not fold when the Fold button is pressed.

4. Turn the adjustment screw clockwise in 1/4 turn increments and press the Fold button until the platform 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.

DO NOT adjust this valve!

Platform Fold Adjustment Allen Screw

(located beside solenoid valves)

Note: Secure adjustment screw and tighten hex nut following adjustment.

Page 5

Platform Angle Adjustment

Adjusting the platform angle based on the relationship of the platform at ground level directly affects the angle of the platform when positioned at ﬂoor level.

Unfold the lift and visually examine the angle of the platform when positioned at ﬂoor level. Lower the platform fully and note the angle of the platform when it reaches ground level also. The outboard

end of the platform (toe) must contact the ground ﬁrst when the platform is

lowered (all lift models).

Millennium “NL” Series:

The platform angle should be adjusted so there is a balance between 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 platform (toe) is angled down slightly when positioned at ﬂoor level. See Figure D. The outboard end of the platform must contact the ground ﬁrst to ensure the spring-loaded outer barrier unfolds fully.

Adjustment Procedures: Adjustment Allen screws are provided on each side of the lift platform for adjusting the platform angle. Details and photos are provided on the opposite page.

Wedges

B

Approximately

1” Clearance

Inboard

Millennium “NL” Series

Figure C

Angle A

equals

Angle B.

✓

A

Floor Level

Outboard

Century “NCL” Series

Vista “NVL” Series

Figure D

Base Plate Wedges: Installations where base plate wedges are used require more platform angle adjustment than normal.

Platform Stop Blocks: When adjusting platform angle, ensure both

stop blocks are making full contact with the vertical arms (details on

opposite page).

Floor Level Adjustment: Following platform angle adjustment, set ﬂoor level positioning as detailed in

Platform Floor Level Adjustment

(details on page 8).

Page 6

Wedges

Inboard

Toe must

angle down

slightly.

Floor Level

Barrier

must

unfold

fully.

Outboard

Platform Angle Adjustment

Adjustment Allen screws are provided on each side of the lift platform for adjusting the platform angle. Adjust platform angle as speciﬁed on previous page.

Platform Angle

Adjustment Screws

A

To raise the outboard end of platform - turn adjustment screw clockwise.

To lower the outboard end of platform - turn adjustment screw counterclockwise.

Turn

counter-

clockwise

to lower

outboard

end of

platform

Turn

clockwise

to raise

outboard

end of

platform

Note: Both adjustment screws must be adjusted equally.

®

Apply Loctite

to adjustment

screws following adjustment.

Adjustment Screw Allen Head

B

Platform Stop Blocks

Right Wrong

C

Must make full contact.Gap not permitted.

Stop Block Guideline

All Lift Models

Both stop blocks must make full contact with

Vertical

Arm

Stop

Block

the edge of vertical arms.

Vertical

Arm

When adjusting platform angle, setting ﬂoor level position or adjusting bridging microswitch -

ensure both stop blocks are making full contact with the vertical arms.

Stop

Block

D

Page 7

Platform Floor Level Adjustment

Before setting ﬂoor level position:

• Adjust platform angle as detailed on page 6.

• Ensure both stop blocks are

making full contact with vertical arms (details on page 7).

Floor Level Adjustment:

1. Position platform at desired

ﬂoor level position (passenger loading/unloading height).

Position platform such that: a. the inner roll stop is laying

ﬂat on the threshold plate

b. platforrm has not begun to fold

Note: Use hand pump to position platform at proper posi-

tion if unable to stop platform when powering lift.

2. Turn Lift Power switch Off.

3. Press Floor Position Set button (located between pump housing and lift tower).

4. While pressing the Floor Position Set button, turn the Lift Power switch On.

5. Continue pressing the Floor Position Set button until the lift sounds three “beeps.”

6. Release the Floor Position Set button.

7. Cycle lift to verify that platform stops at the set ﬂoor level position. Note: If platform does not stop at

E

Floor Level Set Button

the intended position - repeat adjustment procedures. If repeating procedures fails - refer to Diagnostics section below.

Diagnostics: Diagnostic codes have been established in event the lift platform ﬂoor position does not set (the lift does not sound three “beeps” - see Step 5 above). The control board located inside the pump hous-

91 – The platform position is out of a prede-

termined acceptable range

92 – The Bridging Microswitch is not activat-

ed (adjust switch or lower the platform)

93 – The Inner Roll Stop Occupied switch is

not activated (adjust switch)

94 – The Outer Barrier Up switch is not acti-

vated (adjust switch)

95 – The Outer Barrier Latched sensor is

not activated (Century and Vista: Verify jumper is installed on the outboard barrier latch switch – see photo at right; Millennium: Check latch)

ing is equipped with an LCD screen. Remove the pump cover to access the LCD screen. The following diagnostic codes will help resolve ﬂoor position setting problems:

Century/Vista Jumper

LCD Screen

F

Page 8

Bridging Microswitch Adjustment

Bridging Microswitch:

The bridging microswitch is located at the bottom of the right (front) vertical arm. See Photos A and B. An adjustment screw is built into the platform stop block.

The bridging microswitch will be deactivated if the outboard end of the platform contacts the unloading surface before the inboard end while the DOWN switch is pressed.

The deactivated bridging microswitch interrupts power to the DOWN switch circuit and stops the down travel of the platform (while allowing the outer barrier to deploy).

Inboard Vertical

Edge of Vertical Arm

Adjustment Screw

Platform

Stop Block

Bridging Microswitch

HG

Switch

Activation Lever

Adjustment Guidelines:

Caution: This adjustment is

factory set and typically should not require adjustment.

Before adjusting the bridging microswitch:

• Adjust platform angle as detailed on page 6.

Bridging Microswitch Adjustment

1. Position the platform at ﬂoor level (or slightly below). Ensure the platform is not partially folded. From the stowed position, press the UNFOLD switch until the pump stops running and the platform comes to a full stop. From below ﬂoor level, press the UP switch until the pump stops running and the platform comes to a full stop.

• Adjust ﬂoor level position as detailed on page 8.

• Ensure platform is in the fully unfolded position.

• Ensure both stop blocks are making full contact with vertical arms (details on page 7).

2. Check both platform stop blocks to ensure there is no gap between the stop blocks and the vertical arms. See Photos B, C and D on page

7. A gap may indicate that the platform is not fully unfolded or the platform angle adjustment bolts are not adjusted equally on both sides.

Failure to follow these guidelines will result in an overtight adjustment that will bend the adjustment screw, break the bridging switch and/or result in lift operation failure.

3. Loosen the two jam nuts on the bridging switch activation screw (see Photo G). Tighten the screw until the activation lever is fully depressed. Verify that there is no play in the activation lever and tighten the jam nuts.

4. Test lift for proper operation.

Page 9

LCD Lift Codes

To better understand the Braun LCD Trouble shooting display you must ﬁrst understand the numbers that appear on the screen. There are Flashing Codes, Solid Error Codes, and Solid Normal Operational Codes.

Flashing Codes #65-89: About 10 seconds after an operation has stopped there are a set of scrolling ﬂashing numbers that indicate whenever a particular sensor or switch has been activated. These numbers will start at number 65 and scroll up to number 89, then start the sequence over. Remember they are not error codes. Keep in mind that the lift will display codes for different positions and certain ﬂashing codes must be present for that position, you will not always get an error code.

Solid Error Codes #50-64: These are the numbers that will come on the screen when the audible and visual alarm goes off, and will direct you to where the problem exists. These numbers will only stay on the screen for about 10 seconds and then the ﬂashing codes will scroll indicating what sensors are active. This sequence of codes will keep repeating. It is important to be looking at the screen when trying to get the lift to fail.

Solid Normal Operational Codes: There are also solid numbers that will appear while and after the lift is moving that indicate the lift operation and platform position.

Troubleshooting Procedures

1. While looking at the LCD screen, operate the lift until the failure occurs. Read the number that comes on the display the moment the alarm goes off and the light starts to ﬂash. This code will only stay on the screen for 10 seconds.

2. Look up the number on the correct error code sheet and determine what part on the lift is causing the failure. Go to the part on the lift that is suspected of causing the failure and look for anything obvious like magnets missing, broken wires etc. If nothing is found, the next step is to determine if that sensor is sending a signal to the board.

3. Bring the platform to the level that the sensor should be activated using the backup pump if needed. At this point, look up the ﬂashing code that corresponds to that sensor in the error code sheet, look at the LCD screen and wait for the ﬂashing scrolling numbers to appear. If the number is not included in the scrolling numbers, you know that sensor is the problem. You should then check the harness or try another magnet with the south side of the magnet facing the sensor and see if the number will come up on the display.

4. If the problem is still not found or the harness is suspected, the voltages should to be checked to and from the sensor to ﬁnd the exact location of the problem. First determine the 3 wire colors for this sensor at the board and understand the 3 voltage readings needed to operate the sensor, the 12V power, 8V power, and the 8V input signal to the PC board when activated by a magnet. First check for a 8V input signal coming from the sensor to the wire going into the PC board, if there is 11V on this wire, the sensor is not being activated by the magnet. Next check the 12V and 8V wires at the PC board plug leading to the sensor. Once veriﬁed at the plug on the PC board, the voltages should then be checked at the next plug down on the harness going to the sensor until the location of the problem is found.

Anytime you see the code for that speciﬁc switch you will have 8 volts on that colored wire on the 8 or 18 pin connector from that switch. IE: Outboard Barrier is closed “72” will appear on the screen and also 8V will be present on the signal wire from that switch, if no code is present the voltage will be 11V.

Page 10

LCD Lift Codes

Listed below are codes that the lift controller outputs during lift 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 removal instructions.

Non-Flashing Numbers

01 – Platform stowed 02 – Platform unfolding 03 – Platform unfolding paused 04 – Platform at ﬂoor level 05 – Platform beginning to lower 06 – Platform lowering (threshold cannot be occu-

pied from this point down) 07 – Outer barrier moving to horizontal position 08 – Platform at ground level 09 – Outer barrier moving to vertical position 10 – Platform raising 11 – Platform raising paused at ﬂoor 12 – Platform folding (limited pressure) 13 – Platform folding (full pressure) 14 – Timed fold (cinching lift tite) or (anti-rattle state) 15 – Platform folding stopped 16 – Paused fold 17 – Platform between ground and 3” above ground 18 – Platform above 3” 19 – Outer barrier moving to horizontal postion 23 Outer barrier going back down after occupant

detected 28 – Illegal function/not deﬁned 29 – Interlock fault not recognized (or has been

cleared but a motion button is still pressed) 30 – Platform location unknown 31 – Platform location transition state; attempting to

locate position 35 – Two or more motion buttons are being pressed 36 – The retention belt cannot be buckled while try-

ing to fold or unfold 37 – Motion button being pressed is not a valid mo-

tion 50 – Outer barrier is not up above inboard barrier

locked position 51 – Threshold is occupied when platform is 1” or

more below ﬂoor level 52 – Inner rollstop is not up and locked below inner

rollstop locked position 53 – Inner rollstop occupied sensor is not activated

between ﬂoor and inner rollstop up position 54 – Outer barrier is occupied before it is up 55 – Outer barrier is not latched when above the in-

ner rollstop locked position (Millennium only) 56 – Outer barrier is not up and latched and bridge

switch did not deactivate

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 plat-

form is 3” above the ground

59 – Outer barrier is not up after pausing platform

travel

60 – Verify the IB occupied switch is functioning cor-

rectly when lift is below ﬂoor level. The kickout gas springs are worn, replace before using

75 – Low voltage detected; must turn off power switch

to reset LCD 77 – Vehicle secure interlock has not been activated 90 – Position will be set if you keep holding the button

until it beeps 91 – Position is out of a predetermined acceptable

range of ﬂoor position 92 – Bridge switch is not made, needs adjusting 93 – Inner rollstop occupied switch is not made,

position needs to be moved or switch should be

adjusted 94 – Outer barrier is not made, ﬁx and try again 95 – Outer barrier latch is not made (check for jumper

on Century and Vista lifts, check latch on Millen-

nium lifts) 99 – Controller program is not valid; replace controller

Flashing Numbers

Flashing 65 – Unfold button is pressed Flashing 66 – Fold button is pressed Flashing 67 – Down button is pressed Flashing 68 – Up button is pressed Flashing 69 – Bridge switch is activated Flashing 70 – Outer barrier latch switch is activated Flashing 71 – Ground detect switch is activated Flashing 72 – Outer barrier up switch is activated Flashing 73 – Inner rollstop up switch is activated Flashing 74 – Inner rollstop occupied switch is acti-

vated Flashing 76 – Outboard barrier occupied switch is activated Flashing 78 – Threshold tape switch “A” is activated Flashing 79 – Threshold tape switch “B” is activated Flashing 80 – Position set button is pressed

Page 11

Maintenance and Lubrication

Lubrication Diagram

™

Lift-Tite

Latch Dampening Spring

(2 springs - 4 Points) LO

Parallel Arm

19

N

8 2 3

W O D

P

U

D L

UNFO

D

0 82

2

OL

3

®

F

Pivot Pin Bearings (16)

LO

Saddle Bearing (1)

DE

Saddle Support Bearings (8)

LO

Upper Fold Arm Cam Followers (4)

LO

Upper and Lower Fold Arm

Contact Area (2)

LG

Lower Fold Arm Bearings (8)

LO

Platform Fold Link Bearings (6)

LO

Platform Pivot Pin Bearings (4)

LO

Lift-Tite™ Latch Rollers (2)

LO

Platform Fold Gear Rack Bearings (4)

LG

™

Lift-Tite

Latches

(Tower Pivot Points - 2)

LO

Outboard Platform Bearings (2)

LG

Hydraulic Cylinder Pivot Bushings (8)

LO

Saddle Bearing

Buttons (2)

DE

Parallel Arm

Pivot Pin Bearings (16)

LO

Handrail Pivot Pins (2)

LO

Inner Roll Stop Lever

Bearings (2) and Slots (2)

LO

Platform Fold Gear Rack (2) and

Gear Link Assembly Teeth (2)

DE

Gear Link Assembly

Bearings (4)

LO

Platform Side Plate Slots (2)

LG

Outer Barrier Pivot Arm

Bearings (4)

LO

Outer Barrier

Link Slot (2)

LG

Outer Barrier

Activation Foot Bearings (2)

LO

Outer Barrier Link Pivot Points (2)

LO

See the Maintenance/Lubrication Schedule for recommended applications per number of cycles.

Speciﬁed (recommended) Available Braun

Lubricant Type Lubricant Amount Part No.

LO - Light Oil

DE - Door-Ease

LG - Light Grease

Light Penetrating Oil LPS2, General Purpose 11 oz. (30 weight or equivalent) Penetrating Oil Aerosol Can Stainless Stick Door-Ease 1.68 oz. Style (tube) Stick (tube) Light Grease Lubriplate 14 oz. (Multipurpose) Can

15807

15806

15805

Page 12

Maintenance and Lubrication Schedule

W

A

RNING

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 maintenance and lubrication procedures speciﬁed in this schedule must be performed by a Braun authorized service representative at the scheduled intervals according to the number of cycles.

Braun dual parallel arm lifts are equipped with hardened pins and self-lubricating bushings to decrease wear, provide smooth operation and extend the service life of the lift.

When servicing the lift at the recommended intervals, inspection and lubrication procedures speciﬁed in the previous sections should be repeated. Clean the components and the surrounding area before apply- ing lubricants. LPS2 General Purpose Penetrating Oil is recommended where Light Oil is called out. Use of improper lubricants can attract dirt or other contaminants which could result in wear or damage to the components. Platform components exposed to contaminants when lowered to the ground may require extra attention.

following the scheduled “4500 Cycles” maintenance. These intervals are a general 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 procedures

Maintenance and lubrication procedures must be performed as speciﬁed by an authorized service technician. Failure to do so may result in serious bodily injury and/or property damage.

to be performed more often than speciﬁed.

Maintenance Indicator: The Lift Ready green LED mounted on top of the pump cover will begin to blink after every 750 cycles. The blinking LED will not affect the functions of the lift, but is a reminder to complete necessary maintenance and lubrication.

Once the lift has been serviced, fully stow the lift. Once stowed, press the UP button on the hand pendant and the Floor Level Set button on the back side of the pump cover until the Lift Ready green LED stops blinking.

Lift components requiring grease are lubricated during assembly procedures. When these components are replaced, grease must be applied during installation procedures. Speciﬁed lubricants are available from The Braun Corporation (part numbers provided above).

All listed inspection, lubrication and maintenance procedures should be repeated at “750 cycle” intervals

Outer barrier link pivot points (2)

Outer barrier link slots (2)

Gear link assembly bearings (4)

Gear link assembly teeth (2)

Outboard platform bearings (2)

750

Cycles

Platform fold link bearings (6)

Platform fold gear rack bearings (4)

Platform fold gear rack teeth (2)

Lift-Tite™ latches (tower pivot points - 2)

Discontinue lift use immediately if maintenance and lubrication procedures are not properly performed, or if there is any sign of wear, damage or improper operation. Contact your sales representative or call The Braun Corporation at 1-800-THE LIFT

®

. One of our national Product Support representatives will direct you to an authorized service technician who will inspect your lift.

Apply Light Oil - See Lubrication Diagram

Apply Light Grease - See Lubrication Diagram

Apply Light Oil - See Lubrication Diagram

Apply Door Ease - See Lubrication Diagram

Apply Light Grease - See Lubrication Diagram

Apply Light Oil - See Lubrication Diagram

Apply Light Grease - See Lubrication Diagram

Apply Door Ease - See Lubrication Diagram

Apply Light Oil - See Lubrication Diagram

continued

Lift-Tite™ latch gas (dampening) spring pivot points (2 springs - 4 points)

Apply Light Oil - See Lubrication Diagram

Page 13

Maintenance and Lubrication Schedule

750

Cycles

Inspect Lift-Tite or damage (bent, deformed or misaligned), positive securement (external snap rings) and proper operation

Inspect outer barrier for proper operation

Inspect platform fold gear rack and gear weldment teeth for foreign objects, wear or damage (bent, deformed or misaligned), positive securement and proper operation

Inspect lift for wear, damage or any abnormal condition

Inspect lift for rattles

Perform all procedures listed in previous sections also

Outer barrier activation foot pivot bearings (2)

Outer barrier pivot arm bearings (4)

Upper fold arm cam followers (4)

Upper/lower fold arms (2)

™

latches and gas springs for wear

Resecure, replace damaged parts or otherwise correct as needed. Note: Apply Light Grease to

™

Lift-Tite

Correct or replace damaged parts.

Remove foreign objects, replace damaged parts and resecure as needed

Correct as needed.

Apply Light Oil - See Lubrication Diagram

Apply Grease (synthetic) to contact areas between upper/lower fold arms. See Lubrication Diagram

latch tower pivot point if replacing latch.

1500

Cycles

Platform pivot pin bearings (4)

Lower fold arm bearings (8)

Inner roll stop lever bearings (2)

Inner roll stop lever slot (2)

Saddle support bearings (8)

Parallel arm pivot pin bearings (16)

Handrail pivot pins (2)

Hydraulic cylinder pivot bushings (8)

™

Inspect Lift-Tite positive securement and proper operation (2)

Inspect outboard roll stop feet for proper operation, positive securement and detached or missing torsion spring

Inspect inner roll stop for:

• Wear or damage

• Proper operation. Roll stop should just rest on top surface of the threshold (base) plate.

• Positive securement (both ends)

latch rollers for wear or damage,

Apply Light Oil - See Lubrication Diagram

Correct, replace damaged parts and/or relubricate.

Resecure, replace or correct as needed. See Platform Angle Instructions and Floor Level Adjustment Instructions.

continued

Page 14

Inspect handrail components for wear or damage, and for proper operation

Replace damaged parts.

continued

Maintenance and Lubrication Schedule

Inspect microswitches for securement.

Resecure or replace if needed.

1500

Cycles

Make sure lift operates smoothly

Inspect external snap rings:

• Lower fold arms (6)

• Inner roll stop lever bracket pins (2)

• Lift-Tite

• Gear link assembly (4)

• Lift-Tite™ Latch (2)

• Vertical channel/platform link (2)

• Upper fold arm cam followers (4)

• Outer barrier pins (2)

Inspect inner roll stop locks and torsion springs for wear or damage and for proper operation.

Inspect platform fold axles for wear or damage and positive securement

Inspect platform fold link rollers and bearings for wear or damage and positive securement

Remove pump module cover and inspect:

• Hydraulic hoses, ﬁttings and connections for

• Harness cables, wires, terminals and connec-

• Control board, circuit breaker, power switch and

™

latch gas (dampening) springs (4)

wear or leaks

tions for securement or damage

lights for securement or damage

Realign towers and vertical arms. Lubricate or correct as needed.

Resecure or replace if needed.

Replace damaged parts. Apply Light Oil to inner roll stop lock pivot points.

Replace damaged parts and resecure as needed.

Resecure, replace or correct as needed. Note: Apply Loctite

Resecure, replace or correct as needed.

®

to threads if needed.

4500

Cycles

continued

Perform all procedures listed in previous section also

Inspect cotter pins on platform pivot pins (2)

Hydraulic Fluid (Pump) - Check level. Note: Fluid should be changed if there is visible contamination. Inspect the hydraulic system (cylinder, hoses, ﬁt- tings, seals, etc.) for leaks if ﬂuid level is low.

Inspect cylinders, ﬁttings and hydraulic connections for wear, damage or leaks

Inspect parallel arms, bushings and pivot pins for visible wear or damage

Inspect parallel arm pivot pin mounting bolts (8)

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 damage

Inspect gas springs (cylinders - 4) for wear or damage, proper operation and positive securement

Resecure, replace or correct as needed

Use Braun 32840-QT (Exxon® Univis HVI 26) hydraulic ﬂuid (do not mix with Dextron III or other hydraulic ﬂuids). Check ﬂuid level with platform lowered fully and roll stop unfolded fully. Fill to within 1/2” of the bottom of the 1-1/2” ﬁll tube (neck).

Tighten, repair or replace if needed.

Replace if needed.

Tighten or replace if needed.

Replace damaged parts and lubricate if needed

Replace if needed.

Tighten, replace or correct as needed

Page 15

Maintenance and Lubrication Schedule

continued

4500

Cycles

Consecutive

750 Cycle

Intervals

Inspect saddle bearing (1) and saddle bearing buttons (2)

Inspect vertical arm plastic covers

Inspect power cable

Mounting

Decals and Antiskid

Repeat all previously listed inspection, lubrication and maintenance procedures at 750 cycle intervals.

Apply Door-Ease or replace if needed. See Lubrication Diagram.

Resecure or replace if 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 or illegible. Replace antiskid if worn or missing.

Page 16

NVL917-05-025.ai

BK(6)BK(4)

GN(20)

GN

BKGNBK

BK

RD

ORGNRD

RD

BK

GN

OR

YL(26)

RD(26)

GN(26)

BU(16)

GN(20)

PK(20)

WH(20)

GN(20)

GN(14)

BK(18)

UP/FOLD

SOLENOID

RD (2)

PUMP

RD(14)

CIRCUIT SENTRY

(CIRCUIT BREAKER)

IN-LINE

FUSE

PLATFORM LIGHTS

(OPTION)

INTERLOCK

RD(4)

RD(2)

HYDRAULIC

(UP)

M

GROUND

POWER

STUD

PUMP BODY

GROUND

RD(20)

DOWN

SOLENOID

M

BATTERY

CHASSIS GROUND

CIRCUIT BREAKER / FUSE

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

ROTARY POSITION SENSOR

DUAL RELIEF

SOLENOID

INTERLOCK

LED

ROTARY

POSITION

SENSOR

FLOOR LEVEL

MEMORY SET

PUSH BUTTON

COUNTER

THRESHOLD

WARNING

LIGHT

THRESHOLD

WARNING

BEEPER

OUTBOARD

BARRIER

RAISED

SENSOR

GROUND

DETECT

SENSOR

NO

NC

C

GN(20)

RD(14)

GN

RD

J30

BK BK

RD

POS.+

E

NEG. -

RD

BK

GN

3

12

2

6

541

7

8

9

10

11

J3

3122

65417891011

P3

C

E

F

C

DD

A A

BB

E

F

00000

+

E

-

00000

J21

8

9

P21

6 7

5

2 3 4

1

8 9

6 7

5

2 3 4

1

2

J9

1

2

P9

212

1

121

2

BK(20)

BU(16)

RD(20)

WH(20)

PK(20)

1

6

J8

1

6

P8

3

2

3

2

44

55

J6

GN(20)

RD(20)

BK(20)

BK(18)

WH(20)

GY/RD(18) BK(20)

BN(20)

BK(20)

WH(20)

BK(20) RD(20)

FUSE HOLDER(16) GN(20)

YL/LT. BU(20)

BK(20) RD(20)

BK(18) BK(18)

GY/RD(18)

BK(20)

GY/RD(18)

2

1

J7

2

1

P7

3

44

3

1

2

1

2

1

2

1

2

BK(20)

RD(20)

BK(20)

RD(20)

BK(20)

WH(20)

GN(20)

VEHICLE SECURE SIGNAL GY/RD(18)

LIFT STOWED SIGNAL

13

156147121011 179

8

18

J5

13

156147121011

17

8

9

18

P5

P28J28

C1

P16

J20P20

J16

121

2

343

4

565

6

J31P31

C5

P16

J16

455416 16

321 1

2

3

2

3

2

3

11

RDBKGN

1

3

1

2

3

J25

P25

P26

J26

RD BK

GN

RD BK

GN

1

3

1

2

3

P26

J26

P27

J27

BRIDGE

MICROSWITCH

MAGNET

YL(26)

RD(26)

GN(26)

MAGNET

OR RD GN

PK

NOT USED

PK

IB JUMPER

THRESHOLD

SENSOR

232

3

11

N S

WH BK

IB OCCUPANCY

MICROSWITCH

STOW INTERLOCK (+)

MICROSWITCH

BK

WH

GN

ORRDGN

WH

BK

2

1

2

NO

NC

C

BU(16)

MAGNET

LIFT POWER SWITCH

2

1

P6

2

1

4

3

4

3

55

66

BK(24 GA COPPER)

BK/WH(24 GA SILVER)

1

2

1

2

P32

J32

RD

BK

GN

WH

J13

4

3

P13

4

3

2

1

2

1

6

5

6

5

77

88

OR

BK

RD

WH GN

1

2

1

2

J15

P15

121

2

P15

J15

NO

NC

C

OR

NO

NC

C

GN(20) WH(20)

C6

STOW INTERLOCK (-)

MICROSWITCH

BN(20)

NO

NC

C

(+12V OUTPUT)

(GROUND)

OR

(+12V INPUT)

LIFT NOT STOWED YL/LT. BU(20)

(GROUND)

WH(26)

BU(26)

BK(26)

YL(26)

RD(26)

GN(26)

OR(18)

BK(18)

GN(26)

RD(26)

GN(18) YL(26)

RD(18) BK(26)

BU(18) BU(26)

WH(18) WH(26)

6 1 5 2

J2-A

6 1 5 2

P2

44 3

77

3

4

3

J4

4

3

P4

5

2

5

2

11

66

OR(18)

BK(18)

GN(18)

RD(18)

BU(18)

WH(18)

UP

DOWN

UNFOLD

FOLD

SWITCH BOX

L

G

LIFT

E

Lift Electrical Schematic

Page 17

Lift Wiring Diagram

Unfold for:

Lift Electrical

Schematic

Note: All wires 22 GA. unless otherwise noted.

9-COND WIRE CODE

1

2

3

4

LIFT NOT STOWED GROUND SIGNAL

5

GY/RD(18) VEHICLE SECURE +12V INPUT

6

7

YL / LT. BU(18) +12V SIGNAL

8

9

YL / LT. BU(18) GROUND SIGNAL

GY/RD(18)

VEHICLE SECURE SIGNAL +12V INPUT

32638A

(Located in cavity #5, #7 or #9 - see chart above)

YL/LT. BU(18)

LIFT STOWED / NOT STOWED SIGNAL

COLORNO.

NOT USED

123

456

789

9-COND WIRE CODE

1

2

3

4

5

6

7

8

9

32639A

1

23

4

6

5

6-COND WIRE CODE

COLORNO.

BLACK(20)

1

2

FUSE HOLDER(16)

3

LT. GREEN(20)

WHITE(20)

4

5

BROWN(20)

NOT USED

6

Up/Fold

Solenoid

1

23

4

6

5

9

8

7

COLORNO.

NOT USED

BROWN(20)

GRA Y / RED(18 )

BLACK(20)

NOT USED

WHITE(20)

Interlock

Connection

J21P21

GN(20)

Platform Lights (Option)

P31

J31

321

546

6-COND WIRE CODE

COLORNO.

BLACK(20)

1

2

RED(20)

3

GREEN(20)

WHITE(20)

4

5

BROWN(20)

NOT USED

6

2 L R

7

L

R

1L R

or

) 0 2

(KB

Connects to

Vehicle Battery

(+) Positive Post

Lead Wire

13362A

RD(2)

)81(KB

) 8 1

(KB

2

1

P20

J20

2

1

RD(20)

BK(20)

31033A99

BK(20)

915-4539NA

RD(20)

WH(20) BN(20)

RD(14)

Pump Module

Power Feed

26082A-4

RD(4)

Note polarity of diode. It must be oriented as shown. Detail at left shows two different styles of diode identification.

Circuit Sentry

Circuit Breaker)

(

Bat.

B

A

T

Motor Power Feed Wire

GN(20)

A

U

Aux.

546

)81(KB

2

1

P20

J20

2

1

RD(20)

BK(20)

4 5A

3 3 0 1 3

RD(20)

BK(20) RD(20)

BK(20)

COM.

COM

NO

N.O.

NC

N.C.

C5

COM.

COM

NO

N.O.

NC

N.C.

C6

WH

OR

GN

WH

E

4-COND WIRE CODE

1

2

RED(20) & GREEN(20)

3

BLACK(20) & WHITE(20)

4

J16

1

2

GN(20)

1

1 2

2

P16 J16

Stow Interlock (+)

Microswitch

C-H

Stow Interlock (-)

Microswitch

C-H

Up/Down

BK

Switch

WH

Fold/Unfold

RD

Switch

G

BU

L

Switch

Box

32832A

In-Line

4L R

Lift

Power Cable

205-0712-37

RD(2)

X

6-COND WIRE CODE

1

2

3

4

5

6

21

43

COLORNO.

NOT USED

GRAY / RED(18)

Rotary

Position

Sensor

Fuse

Power

Stud

321

COLORNO.

RED

BLACK

WHITE

GREEN

NOT USED

RD(20)

985-0531NA

BK(20)

WH(20)

RL6

RL5

Lift Power

Floor Level

Memory Set

Push Button

GY/RD(18)GY/RD(18)

Switch

P6

J9

P7P16

A

BCDE F

6-COND WIRE CODE

COLORNO.

NOT USED

A

B

NOT USED

C

NOT USED

D

E

F

FS20

FS21

J6

100245-001

GREEN

BLACK

RED

J30

BK

RD

BK(6)

985-A1534NA

65748

985-2541NA

P13

J13

J5

J7

J4

P9

1

2

)

)41

0 2

(N

(D

G

R

P4

AN 2

3 5 2

-589

Ground

985-4530NA

321

ORANGE JUMPER #1 (CAVITY #2 TO #4)

ORANGE JUMPER #2 (CAVITY #3 TO #8)

Lift

Control

J3

Module

J8

P3

12-COND WIRE CODE

1

2

3

4

5

6

7

8

9

10

11

12

Beeper

RL3

GN(14)

COLORNO.

GREEN

RED

NOT USED

RED

BLACK NOT USED

NOT USED

RED

BLACK

GREEN

BLACK

Counter

FS1

FS9

Down

Dual Relief

789101112

123456

RD

FS13 FS14

+

FS12

WH(20)

+

-

GN(20)

Hydraulic

P5

P8

BK

-

E

Pump

GN

FS8

BK(4)

22166A

AN3352-589

GN(20)

Back Plate

131214

15161718

11 1 0

214356789

18-COND WIRE CODE

1

2

3

4

5

6

7

8

9

321

546

6-COND WIRE CODE

COLORNO.

WHITE(20) & WHITE(20)

1

2

RED(20)

3

NOT USED

BLUE(16)

4

BLACK(20)

5

PINK(20)

6

Threshold

Warning

Light

FS5

WH(20)

COLORNO.

RED

ORANGE

GREEN

RED

BLACK

GREEN

NOT USED

WHITE

BLACK

COLORNO.

RED

10

11

ORANGE

12

GREEN

NOT USED

13

WHITE

14

BLACK

15

NOT USED

16

NOT USED

17

NOT USED

18

Outboard

Barrier

Raised Sensor

Bridge

Microswitch

3-COND WIRE CODE

YELLOW(26)

1

2

3

Ground

Detect

Sensor

321

COLORNO.

RED(26)

GREEN(26)

3-COND WIRE CODE

30433A60

975-0443RNA - Rear Pump 975-0443FNA - Front Pump

COM

NO

NC

123

3-COND WIRE CODE

COLORNO.

1

2

3

30433A60

Interlock LED

FS4

PK(20)

GN(20)

FS7

321

COLORNO.

YELLOW(26)

1

RED(26)

2

GREEN(26)

3

BU(16) BU(16)

BLACK

RED

GREEN

P26 P26

123

3-COND WIRE CODE

1

2

3

P27

J25 P25

1 2

3-COND WIRE CODE

1

2

3

J26

COLORNO.

ORANGE

RED

GREEN

J27

321

COLORNO.

BLACK

GREEN

975-2543NA

+

-

RED

WH

1 2

BK

123

3-COND WIRE CODE

COLORNO.

BLACK

1

2

RED

3

GREEN

J26

975-0535NA

RD(20)

3-COND WIRE CODE

1

2

3

P28

BK

WH

31221A

321

COLORNO.

ORANGE

RED

GREEN

RD

BKGNWH

1

2

P15J15

1

22

BK(24 GA COPPER)

BK / WH(24 GA SILVER)

2

J15P15

BK / WH(24 GA SILVER)

1

BK(24 GA COPPER)

123

FS3

GN(20)

FS10

Down

(Side view of

solenoids removed

from pump.)

dnuo

rG

p muP

Dual Relief

FS2

FS11

BU(16)

GN(20)

1

2

BK / WH(24) SILVER

P32J32

BK(24) COPPER

3-COND WIRE CODE

COLORNO.

PINK

1

2

NOT USED

3

PINK

IB Jumper

Harness

IB Occupancy

Microswitch

C-H

32929A

.

MO

C

COM

NO

N.O.

4

NC

N.C.

C1

Threshold Sensors

J28

BK / WH(24) SILVER

BK(24) COPPER

1

2

Note: Shown with lift in stowed position.

Page 18

Hydraulic Schematic

Opposite

Pump

Cylinder

Orifice

1900

PSI

BACKUP

PUMP

Down Valv e

PUMP

Lifting

Relief Valve

2500

PSI

M

Secondary

Valv e

Relief Valve

Folding

800 PSI

Orifice

Pump Side

Cylinder

Description Symbol Description Symbol

Fixed Displacement

Pump

Pump Motor

Backup Pump

Single Acting Cylinder

Check Valve

Unfold Orifice

M

Hydraulic Port

2 Way 2 Position

Solenoid Valve

Pressure Compensated

Flow Control

Relief Valve

Filter Screen

Vented Reservoir

Manual

Shutoff Valve

Page 19

Hydraulics Parts List

Item Qty. Description Part #

1 1 Pump Assembly (M-268-0112) 120G / 12V / Dual Relief 30915-12V

2 1 Lead Wire Assembly, #6 Guage 29049

3 1 Clamp, Hose (M258) 29663

4 1 Diode Assembly, Up Solenoid 73906A

5 1 Solenoid, 4-Post - Prestolite 28308

6 1 Motor, Pump - 12 Volt - Low RPM 29690

7 1 Valve Assembly, “Dual Relief” (complete) 31120K

8 1 Cartridge (only), “Dual Relief” Valve - (shown below) 31121

9 2 Coil (only) - (shown below) 31122

10 1 Valve Assembly, “Down” (complete) 31348K

11 1 Cartridge (only), “Down” Valve - (shown below) 26078

12 3 Screw, 1/4-20 x 2-1/4”, Allen Head 26080

13 1 Hand Pump (Backup) with O-Rings (Item 14) 26074

14 4 O-Ring (only), Hand Pump Mounting 17351

15 1 Clamp, Reservoir - H-48 (M259) 17069

16 1 Reservoir, Hydraulic Fluid 30160

17 1 Cap, Reservoir Filler - Screw On 30167

18 1

19 1 Connector, Plastic “Y”, 1/8” O.D. 18877

20 1 Hose, Thermal Plastic - Black, 1/8” I.D.

21 1 Handle with Grip 17206A

22 1 Fitting, Male 7-16-20 SAE O-Ring to Male 7/16-20 JIC 37° 24504

23 1 Elbow, 7/16-20 JIC 37 Female Swivel (1) - 7/16-20 JIC 37° Male (2) 26579

24 1 Hose Assembly, 1/8” (Opposite-Pump-Side) 16004A-086

25 1 Hose Assembly, 1/8” (Pump-Side) 16004A-046

26 2 Elbow, 90°, 7/16-20 SAE O-Ring Male - 7/16-20 JIC 37° Male, Oriﬁce 26667

27 2 Cylinder ✓

28 2 Elbow, 90°, 1/4 NPT Male to 1/4” Barbed 15150

29 1 Hose, Thermal Plastic - Black, 1/8” I.D.

30 1 Hose, Thermal Plastic - Black, 1/8” I.D.

Fitting, 90° - 1/8” NPT x 1/8” Barb - Plastic 87563

23742R* (6”)

C1514.3-9408

23742R* (68”)

23742R* (30”)

✓ Seal Kits: If repairing a cylinder, order Seal Kit #1500-0500P. * Raw material items ordered and priced per inch (order speciﬁed length).

Hydraulic Fluid

When adding or changing hydraulic ﬂuid, use Braun 32840-QT (Exxon® Univis HVI 26) hydraulic ﬂuid (do not mix with Dextron III or other hydraulic ﬂuids).

Page 20

“Dual Relief” Valve

7

(complete)

9

Coil

#31122

8

Cartridge

#31121

“Down” Valve

(complete)

11

Cartridge

#26078

10

9

Coil

#31122

Hydraulics Diagram

1

26

27

21

3

6

Hydraulic

Pump Motor

17

14

2

5

10

4

27

26

7

13

Manual

12

Backup

Pump

Opposite Pump Cylinder

28

29

18

20

15

19

16

24

22

23

25

Pump Side Cylinder

28

30

Page 21

Pump Module Parts List

Part Numbers of Items Dedicated per Lift Model

Item Qty. Description NVL917IB NVL917FIB

1 Pump Module (complete), 12 Volt, Rear 985-5516RNA 985-5516FNA

1 1 Plate, Backing / Mounting - Rear 985-2501RN 985-2501FN 2 1 Cover, Pump, 2-Piece - Back / Bottom 3 1 Cover, Pump - 2-Piece - Top / Front

Part Numbers of Items Identical on all Lift Models

Item Qty. Description Part No.

4 1 Pump Assembly (M268-0112) 12V-120G - Dual Relief / ARS (Includes Items 5 & 6) 30915-12V 5 1 Power Cable, Up Solenoid to Motor 29049 6 1 Solenoid, Up - 4-Post - Prestolite 28308 7 1 Clamp, Hose - Solenoid Mounting 29663 8 1 Diode Assembly, Up Solenoid 73906A 9 1 Fitting, Male 7/16-20 O-Ring to Male 7/16-20 JIC 37° 24504 10 1 Elbow, Female Swivel 7/16-20 JIC 37° to (2) Male 7/16-20 JIC 37° 26579 11 1 Control, Hand Pendant Assembly (See below for available options) 11a - Control, Hand Pendant Assembly - Non-Shielded Cable - Straight tSee note below 32832A 11b - Control, Hand Pendant Assembly - Shielded Cable - Straight tSee note below 32833A 11c - Control, Hand Pendant Assembly - Shielded Cable - Coiled tSee note below 32421A 12 1 Control Board Assembly 100159-001 13 8 Standoff, Snap-In 31011 14 1 Switch, Push Button 31753 15 1 Recepticle, Clip On 28803 16 1 Lens, Threshold Warning - Red 30704 17 1 Decal, Warning / Pressure Relief Valve (Not shown) 22249 18 1 Spacer, Lens - NHTSA 31386 19 1 Metal Ring Base - Lamp 30971 20 1 Socket, Lamp 30703 21 3 Screw, #8-32 x 1/2” Pan Head Phillips - Thread Cut 30974 22 1 Bulb, Light 19841 23 1 Diode, Green LED, Panel Mount 29545 24 4 Rivet, Snap - .124” Hole x .197”/.236” Thick 29874 25 2 Washer, 5/16” Flat 10063 26 2 Bolt, 5/16-18 x 3/4”, Nylock, Hex * See note below 29608 27 2 Bolt, 5/16-18 x 1/2”, Nylock, Hex * See note below 10012 28 1 Cable, Ground 22166A 29 1 Washer, 5/16” External Tooth 16368 30 1 Beeper, Constant - High Output 33251 31 1 Switch, Toggle 31787 32 1 Decal, Lift Power - On/Off (Not shown) 21494 33 1 Stud, Power Feed 26084 34 1 Rubber Boot, Red tSee note below 82046 35 1 Harness, Lift Interlock Connection 32639A 36 1 Wire Assembly, Lift Stowed Connection tSee note below 32638A 37 1 Pump Handle with Grip 17206A 38 3 Rivet, Pop, SD43BS - 1/8” - .13”/.19” 12954 39 1 Plug, Window - Clear 30443 40 1 Stud, Wing Head - 1/4 Turn 28804 41 1 Retainer, Push On 28805 42 1 Washer, Nylon, 1/4” I.D. x 11/16” O.D. x .030” 12690 43 1 Clip, Pump Handle - Top 915-5517 44 1 Clip, Pump Handle - Bottom 915-5518 45 1 Decal, Manual Instructions - Public (Not shown ) 31412 46 1 Decal, Removal / Installaton - Pump Cover (Not shown) 29051 47 1 Decal, Warning - Control Board Damage - ESD (Not shown) 30787 48 1 Decal, Removal / Installation Pump Handle (Not shown) 29052 49 1 Decal, Dual Relief Adjustment (Not shown) 32201 50 1 Decal, LCD Lift Codes (Not shown) 32410 51 1 Cable, Pump Module Power Hookup (Not shown) 26082A-4 52 1 Harness, Power - Stow Interlock (Not shown - see Wiring Diagram) 985-4530NA 53 1 Harness, Interlock / Lighting (Not shown - see Wiring Diagram) 985-0531NA 54 1 Harness, Up / Down Solenoid (Not shown - see Wiring Diagram) 985-2533NA 55 1 Harness, Threshold Switch Extension (Not shown - see Wiring Diagram) 985-A1534NA 56 1 Harness, Stow Interlock (Not shown - see Wiring Diagram) tSee note below 915-1538NA 57 1 Harness, Hand Control - Pump Housing to Circuit Board (Not shown - see Wiring Diagram) 100245-001 58 1 Harness, Jumper (Not Shown - see Wiring Diagram) 985-2541NA

* Apply red #271 Thread Locker Loctite® to the four hex bolts (items 26 and 27) if 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.

t Indicates items available for replacement part purposes only. These items are not included with replacement pump

modules.

(915-0513RNAPT or 915-0513FNAPT Includes Items 2 and 15 - 21)

(985-0519RNAPT or 985-0519FNAPT Includes Items 3 and 38 - 50) 915-0519RNPT 915-0519FNPT

915-0513RNPT 915-0513FNPT

Page 22

Pump Module Diagram

Pump Mounting Bolts

Apply red #271 Thread Locker Locktite® to the three pump mounting bolts (items 26 and 27) if 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.

42

39

38

40

43

41

37

3

11a

11b

11c

38

44

9 1 8 2 3

WN O D

UP

UNFOLD

0

2 8 2 3

®

FOLD

9 1

N

8 2 3

DOW

UP

LD

UNFO

D

0

L

2

8 2 3

®

FO

UNFOLD

FOLD

DOWN

UP

3 35 2 3

16

22

18

23

19

2

15

21

20

12

13

26

25

27

28

14

7

29

30

1

5

4

24

33

34

8

36

35

27

9

6

10

Note: Rear pump module shown,

front pump module mirror image.

Page 23

31

Repair Parts List

Part Numbers of Items Dedicated per Lift Model

Item Qty. Description NVL917IB NVL917FIB

1 1 Base Weldment 975R5148NW33 975F5148NW33 2 1 Cover, Pump, 2-Piece, Back-Bottom 915-0513RNPT 915-0513FNPT 3 1 Cover, Pump, 2-Piece, Top-Front 915-0519RNPT 915-0519FNPT 4 1 Assembly, Link, Outer Barrier, Rear 975-0219RNA 975-0220RNA 5 1 Assembly, Link, Outer Barrier, Front 975-0219FNA 975-0220FNA 6 1 Bridge Switch Assembly 975-0443RNA 975-0443FNA 7 1 Block, Platform Stop - Bridging - Rear 25778 900-0311 8 1 Block, Platform Stop - Bridging - Front 900-0311 25778 9 1 Plate, Backing/Mounting 985-2501RN 975-2437RA 10 1 Parallel Arm Assy., Top-Front w/Bearings 915-0437FA 985-5437FNA 11 1 Parallel Arm Assy., Top-Rear w/Bearings 985-5437RNA 975-2437RA 12 1 Parallel Arm Assy., Bottom Rear w/Bearings and Sensors 975-0458NA 917-0457NA 13 1 Parallel Arm Assy., Bottom Front w/Bearings 917-0457NA 975-0458NA

Part Numbers of Items Identical on All Lift Models

Item Qty. Description Part No.

14 14 Washer, .516" I.D. x 1" O.D. x .0269", Auto BK 15328 15 4 Washer, Finger, Disc Spring 27276 16 8 Snap-Ring 1/2" 13273 17 4 Snap-Ring 5/16" 24570 18 4 O-Ring, 5/16" I.D. x 1/16" O.D. 26614 19 2 Screw, Socket Head, 3/8-16 x 1/2" with 1/2" Shoulder 25929 20 1 Gear Assembly, Front 975-2328FRABKN 21 1 Gear Assembly, Rear 975-2328RRABKN 22 4 Nut, 1/4-20 Hex Lock 10775 23 1 Stud, Wing Head 28804 24 1 Retainer, Push-On 28805 25 1 Grommet, ID .312", FR .250", GD .813" T500" 27726 26 1 Pump Assembly, (M268 with Backup Pump) 30915-12V 27 10 Pin, Pivot, Parallel Arm 917-0403 28 10 Screw Drive #8 x 3/16" Long Black 31086BK 29 1 Receptacle, Clip-On 28803 30 2 Bumper, Stow, Millennium 26154 31 2 Bolt, 5/16-18 x 1/2", Button Head, Socket Cap 26281 32 8 Rivet, Pop, SD43BS - 1/8" - .13/.19 12954 33 4 Bolt, 5/16-18 x 1/2" Nylock, Hex 10012 34 2 Washer, 5/16" Flat 10063 35 2 Bolt, 3/8-16 x 1/2" Nylock, Hex 29729 36 2 Bolt, 5/16-18 x 3/4", Button Head, Soc Cap Hd 24440 37 2 Bolt, 3/8-16 x 3/4" GR5-Hex, Auto, BK 12463 38 2 Bolt, 5/16-18 x 3/4" Nylock, Hex 29608 39 2 Pin, Bearing, Platform Side 975-2360 40 2 Gear Rack, Platform Fold 975-2329BKN 41 10 Bearing, Flange, 1/2" x 1/4" 24442 42 1 Weldment, Latch, Lift/Tite, Rear 29412RW 43 1 Weldment, Latch, Lift/Tite, Front 29412FW 44 2 Screw, #4-40 x 5/8", Round Head 14810 45 2 Clip, Cable, 5/16", Plastic 26948 46 1 Screw, #8-32 x 1", Mach. Truss Head 19912BK 47 2 Nut, #4-40 w/Lockwasher 19537 48 2 Nut, #8-32, Hex 10777 49 1 Assembly, IB Occupied 31643A 50 2 Cylinder, 14.625"/29.146" Retracted C1514.3-9408 51 1 Inner Roll Stop 915-0147NWY 52 16 Bearing, Flange, 3/4" x 3/8" 24011 53 8 Bushing, 3/4" I.D. x 1/2" 900-0456 54 1 Vertical Channel Weldment, Front, 48" 975-0448FNW 55 1 Cover, Plastic, Parallel Arm, O/S Front-w/Tape 915-0704NA 56 2 Tape, 1" Wide S-Face Foam, x 14" (1 Shown) 82015R014 57 6 Tape, 1" Wide S-Face Foam, x 10" (3 Shown) 82015R010 58 1 Cycle Counter-LCD Without Reset 30547 59 2 Handrail Weldment 985-4618NW 60 8 Rivet, Push In - 8MM 30063 61 2 Bumper, Rubber, 31/32" O.D. 10950 62 2 Screw, #8-18 x 1/2", Self-Tap, Phillips 13583

 63 2 Bulb,Light20-W,HalogenReector 31060

64 2 Washer, .328" I.D. X .75" O.D., .062" T-UHMW 31438 65 1 Base Cover Assembly - 33" (Traction Tape Not Shown) 975-5148CNA33Y 66 6 Washer, Thrust, .875" O.D., .50" I.D., .058" ST 29371 67 4 Nut, 3/8-16, Hex Lock 13617 68 2 Cotter Pin, 1/4" x 2", Black 15886BK 69 4 Washer, 1/4" Flat 10062 70 1 Cover, Plastic, Parallel Arm, I/S Front-w/Tape 975-0701NA 71 2 Threshold Strip Switch 31221A 72 4 Retainer, Push, 5/32" Threadless Shaft 31728 73 2 Bolt, Shoulder, 5/16" x 5/8", 1/4-20 Thread 31816 74 10 Washer, 1/2" Flat Black Zinc 25346 75 4 Bolt, 3/8-16 x 1", Hex 10025 76 6 Washer, 3/8", Lock, Black 10069BK 77 2 Lever, Inboard Outer Barrier 975-0404N 78 4 Clamp, Insulate, 1 3/8" I.D. 29765 79 4 Washer, 5/16" Lock, Black 10068 80 2 Gas Spring, Fold Arm 29186 81 2 Ball Stud, Gas Spring, 13MM x 3/8-16 F. Thread 29185 82 6 Washer, 3/8", Lock 10069 83 2 Screw, 1/4-20 x 1/4", Set 11563 84 2 Clip, Safety, 3/8-16 x 3/4", Flange 12608 85 6 Bolt, 3/8-16 X 3/4", Flange Button Head, Socket Cap 25171 86 2 Bolt, 5/16-18 x 2", Flange, Hex 25130 87 2 Nut, 5/16-18, Serrated Flange 25131 88 2 Arm, Slide Support (Replace In Pairs) 985-6612N 89 2 Slide, Platform, Rotate 985-0606N 90 2 Spacer, .5" O.D. x .334" I.D. x 1.515" LG 25132 91 10 Bearing, Flange, 3/4" x 1/4" 24012 92 2 Weldment, Platform Pivot Arm - 48" 985-0640NW-BKN 93 2 Pin, Pivot, Lower Arm 900-0413N 94 6 Ring, Snap, 3/4", External 18657 95 2 Bearing, UHMW, Flat, 1.226" 205-1760 96 2 Ball Stud, 10MM 21301 97 1 Vertical Channel Weldment, Rear 975-0448RNW 98 6 Plastic End Cap, 1" I.D. x 1 1/4" O.D. 20474 99 2 Grip, Handle, Yellow 19074 100 2 Spring, Dampener, Retract 26963 101 2 Bolt, 5/16-18 x 1 1/4" Low Socket Hd., Cap, Bk. 26327 102 2 Bumper, .75"x .625" Long 915-0391 103 2 Screw, 1/2-20 x 1 1/2" Set Lock, Black 18663 104 2 Block, Guide-Platform Stow 28593 105 2 Pin, Platform 975-2325

Item Qty. Description Part No.

106 10 Screw, 5/16-18 x 3/4", SHFS 25527 107 2 Spacer, UHMW, Vertical Channel 995-0320 108 2 Washer, .376" I. D. x .563" O.D., .032" T-18-8 SS 31514 109 2 Bracket, Mounting, Quiet Ride 915-0392 110 2 Gas Spring, 12.2" Extended/8.3" Compressed 30550A 111 2 Bolt, 5/16-18 x 3/4", Carriage, Black 15858BK 112 5 Washer, 5/16", External Tooth 16368 113 4 Nut, 5/16-18 Hex 10058 114 2 Bracket, Inner Side Panel Guide 915-0703 115 3 Bearing, UHMW, Flat, Thin, Black 916-5406 116 2 Pivot, Bridge Plate Lever, Upper, Inside 916-5433 117 4 Bearing, Flange - 3/4" x 1/2" 24027 118 1 Weldment, Latch Foot, Rear 975-0204RNW 119 1 Weldment, Latch Foot, Front 975-0204FNW 120 2 Rod, 5/32" Torsion Spring Bar, Front 28132F 121 2 Rod, 5/32" Torsion Spring Bar, Rear 28132R 122 4 Screw, #4-40 x 3/16" THD FORM 31043 123 1 Position Sensor Collet 31093 124 1 Weldment, Tube-IB Fold Arm-Rear 975-0625RNW 125 2 Collar, Outer Barrier, Torsion Bar 975-2208 126 4 Nut, 3/8-16, Hex 10059BK 127 1 Weldment,Tube-IB Fold Arm-Front 975-0625FNW 128 8 Screw, 5/16-18 x 5/16", Set 11567 129 2 Bolt, 5/16-18 x 1 1/2" Hex Head, Cap 10014 130 2 Bolt, 7/16-20 x 1", SHCS, w/Nylock Patch 28474 131 4 Ring, 3/8" Retaining Snap 13889 132 6 Screw, #10-32 x 1/2, Flat Head-Hex w/Patch 17192P 133 8 Washer, Thrust, 1.125" O.D., .625" I.D., .0585" THK 29378 134 6 Rivet, Pop, 3/16"-.25"/.38", Black 14993 135 4 Bearing, Flange, 10MM x 12MM, FMB1012DU 28128 136 2 Nut, 1/4-20 x 3/16", Outer Barrier 975-0205N 137 2 Washer, Nylon, .34" I.D. x .74" O.D. x .62" T 31439 138 2 Bolt, 1/4-20, Shoulder, Outer Barrier 995-0211 139 2 Nut, 5/16-18, Top Lock, Black 28324BK 140 2 Bolt, 1/4-20 x 1/2", Button Head Socket 15733 141 2 Bolt, 3/8-16 x 2", Hex Head, Cap 10027 142 2 Roller Assembly 1000-2395A 143 2 Roller Retainer 915-5353 144 2 Nut, 5/16-18 Hex, Lock 11387BK 145 2 Pivot, Bridge Plate Lever, Upper-Outer 916-5434 146 1 Clamp, 1/4" I.D.- Nylon Loop 84396 147 2 Washer, 3/8" Flat, Black 10064 148 6 Rivet, Snap, .201" x .256"/.295" 26362 149 4 Bearing, Flange, 1" x 1/2-16FDU08 28031 150 1 Cover, Plastic, Parallel Arm, O/S Rear-w/Tape 915-0702NA 151 1 Weldment, Bridgeplate Bracket, Front 985-0431FNW 152 4 Spacer, Handrail, .375” Thk. UHMW 995-0301 153 2 Washer, .516" I.D. x .75" O.D. x .250", Black 25336 154 1 Cover, Plastic, Parallel Arm, I/S Rear-w/Tape 975-0703NA 155 1 Weldment, Bridgeplate Bracket, Rear 985-0431RNW 156 2 Spring, Torsion - .366 I.D. x .05" 30386 157 4 Spacer, IB Lock 30394 158 2 Weldment, IB Lock 985-0630NW 159 4 Bearing, 3/8" I.D. x 1/2" Long 30405 160 4 Roller, .65" O.D. x 1/2" Long 985-0631N 161 4 E-Clip, 3/8" Shaft 84383 162 2 Spacer, Handrail, .230" Thk. UHMW 911-5301 163 4 Bearing, Flange, 3/8" I.D. x 1/4" 24028 164 2 Screw, 1/4-20 x 3/4" BHSCS 18-8 SS 81068-000 165 1 Assembly, Rotary Position Sensor 31094A 166 2 Washer, .390" I.D. x .75" O.D., .21" T-UHMW 31440 167 2 Light Assy, Vertical Channel 31062A 168 2 Pad, Outer Barrier, Foot Stowed 975-2379 169 4 Plug, Interior, Plastic Push, Black P50067-BK 170 4 Spacer, UHMW-.75" O.D. x .39" I.D. x .25" 30227 171 4 Bearing, Platform, Slide 975-2359 172 2 Harness, Sensor, Magnetic w/Plug - 60" 30433A60 173 2 Pin, Bearing, Gear Rack 975-2334 174 1 Platform Weldment Movable Outer 975-5336NW 175 4 Screw, #10-32 x 1/2" Button Head, Socket, Cap 30375WP 176 2 Bearing, Platform, Slide 975-2358 177 1 Slide, UHMW,Platform Rotate 31677 178 5 Rivet, Pop, 3/16" - .13/.25" - SD64BS 11513 179 2 Spacer, 5/8" I.D., 7/8" O.D. x 3/16" L-UHMW 31678 180 1 Position Sensor Spacer 31092 181 2 Link, Weldment, Platform, Vertical Channel 975-2333W 182 2 Pin, Bearing, Gear Rack 975-2202 183 1 Outer Barrier Pivot Arm Front 975-0216RNWY 184 1 Outer Barrier Pivot Arm Rear 975-0216FNWY 185 2 Pin, Outer Barrier, Vista 975-0217N 186 2 Screw, 1/4-20 x 3/4", Flat Head, Socket, Countersink 28986 187 2 Pin, Bearing, Platform Slide 975-2360 188 2 Nut, #10-32 w/Lockwasher 18349 189 1 Bag, Vinyl - 7" x 10" 31174 190 3 Washer, #10, Flat, Auto BK 11541 191 1 Outer Barrier, 33" 975-0312NY 192 1 Platform Weldment Fixed Inner 975-03351NW 193 1 Shim, Bracket, Hanger, Hand Pendant 33216 194 1 Bracket, Hanger, Hand Pendant 33215 195 2 Bolt, Carriage, 1/2-20 x 1/2” 12777 196 2 Clamp, Cable, 1/2", Plastic 10092

Page 24

Exploded View

98

73

65

29

9

23

26

24

33

3

35

52

53

50

180

52

186

150

38

34

33

112

2

11

114

22

123

52

12

36

112

111

109

134

113

188

49

156

157

159

160

161

75

104

113

52

79

53

52

177

89

91

93

94

67

87

170

161

159

157

158

147

76

160

144

129

19

124

178

74

52

91

152

145

106

175

196

74

106

94

88

91

90

68

80

84

82

81

146

141

86

60

74

106

152

91

60

44

85

6

41

14

98

16

28

27

167

57

63

148

28

27

60

45

28

148

27

148

45

60

130

47

41

97

73

98

189

106

28

27

17

18

165

1

58

74

106

74

164

106

134

78

154

96

92

67

162

117

94

57

148

62

61

77

153

16

99

59

17

100

17

14

42

15

14

58

190

110

14

102

155

91

76

41

126

79

33

27

100

17

18

15

43

14

16

27

28 28 27

134

78

115

116

15

69

46

7

25

48

101

149

107

14

74

106

74

14

78

134

115

139

103

142

143

31

112

133

182

181

133

41

173

51

85

139

105

192

105

149

140

30

171

133

148

190

78

71

115

103

149

140

30

193

195

194

178

41

32

82

75

37

32

82

40

133

66

21

52

53

52

71

85

91

8

142

22

169

168

172

122

66

39

16

163

184

187

176

10

113

79

53

134

52

50

114

52

13

70

77

14

15

116

102

76

149

101

126

143

169

82

75

66

72

163

137

64

136

179

131

16

153

41

69

151

79

33

67

107

31

112

169

162

168

117

133

37

40

131

121

118

72

121

138

4

108

52

53

52

95

89

93

94

91

141

86

92

94

117

32

66

131

174

128

135

166

94

91

88

91

152

90

80

110

156

157

96

160

161

32

172

122

66

128

125

128

125

128

83

36

112

109

111

104

113

55

106

74

56

167

27

28

175

196

28

27

60

67

87

28

152

27

91

60

170

68

84

41

160

81

82

159

157

159

158 144

127

145

39

16

66

132

185

63

148

106

74

60

106

74

57

60

85

14

16

41

130

98

54

161

129

75

19

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41

20

135

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191

14

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72

119

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99

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108

5

132

185

Page 25

Unfold for:

A5 NVL917IB

Series

Lift Exploded View

NOTES

This page intentionally left blank.

Page 26

"Providing Access to the World"

®

Over 300 Braun

Dealers Worldwide

"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

®

Service Manual for:

The Braun Corporation of Winamac, Indiana, warrants that it will repair (or replace at Braun’s sole option) any defect in material or workmanship in its wheelchair lift for five years*, providing the lift is installed, operated and maintained properly. This warranty is limited to the original purchaser and does not cover defects in the motor vehicle on which it is installed, or defects in the lift caused by a defect in any part of the motor vehicle. This warranty commences on the date the lift is put in service, providing the warranty registration card is completed and received by The Braun Corporation within 20 days of purchase. If no warranty card is received, the warranty will expire three years from the date of manufacture as identified on the lift serial number tag. This warranty also covers the cost of labor for the repair (or replacement at Braun’s sole option) of parts for three years when performed by an authorized Braun representative. (A labor schedule determines cost allowance for repairs and is available upon request). This warranty does not cover normal maintenance, service, or periodic adjustments necessitated by use or wear. The Braun Corporation will not, under any circumstances, pay for loss of use, incidental, or consequential damages related to the lift or vehicle in which it is installed. This warranty will become null and void if the lift has been damaged through accident, misuse, or neglect, or if the lift has been altered in any respect. * The five-year portion of this warranty covers the following lift’s power train parts:

• Cable • Cylinder • Flow Control • Gear Box • Motor • Pump • Hydraulic Hose & Fittings

• Solid State Controller All remaining lift components are covered by a three-year warranty.

CKA

Vista

HZg^Zh

Braun™Five-Year

Limited Warranty

Series A5

A5

Public Use Wheelchair Lifts

When processing any warranty claims (parts, repairs, etc.), all requests must be processed through The

Braun Corporation Product Support Department. Call 1-800-THE LIFT® during normal working hours.

Product Support will issue a Return Material Authorization (RMA) number and detail the procedures

required for processing returns and/or authorizing credit.

The lift identification information is provided on the Braun Serial No./Series No. identification tag and

the two warranty cards (shown on inside front cover). The lift identification information must be

provided when filing a warranty claim or ordering parts.

Braun NVL Series

33917 Rev. A

February 2008

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.

Patent #5,261,779

Patent #6,065,924

Patent #6,238,169

Return Authorization Procedure

"Providing Access to the World"

Patent #6,464,447

Patent #6,599,079

Patent #6,692,217

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

1-800-THE LIFT

®

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

Patent #6,739,824

Patent #6,837,670

Patents Pending

®

Braun A5 User Manual

Specifications and Main Features

Frequently Asked Questions

User Manual