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DELTA

Installation Manual

Edition July 2013

DELT

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∆

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∆

platform lift

page 20 of 24

Overload switch

Adjustment screw

Overload switch

Move switch with
adjustment screw till it
activates under full
load ca 25%

Adjustment of the overload switch

If the unit is equipped with an overload device it is mounted at the lower right part of the
sidewall. The platform with full load presses the spring washers and if the real load
exceeds the rated load by around 25% then the switch is activates and departure from the
landing stop position is blocked by the overload switch.

In case the switch needs adjustment on site it is necessary to load the platform with the
rated load +25% and then adjust the switch with the adjustment screw so that it just
activates under this load condition. See below illustration for explanation:

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Summary of Contents for Delta

Page 1: ...Web www lehner lifttechnik at Tel 4372783514 Email office lehnerlifttechnik at Mobile 436641612980 Installation Manual DELT P l a t f o r m s t a i r l i f t ...

Page 2: ...ING OF THE CHARGING STATION LIMIT ASSEMBLY 10 ADJUSTING OF THE CONTROL CAMS 11 LAST CHECKS BEFORE USING THE STAIRLIFT 12 STANDARD ELECTRICAL COMPONENTS OF THE SIDEWALL 13 ELECTRICAL COMPONENTS OF THE LOWER CARRIAGE 14 OVERVIEW OF THE PLATFORM MECHANICS 14 ADJUSTMENT OF THE PLATFORM INCLINATION 16 ADJUSTMENT OF THE LOADING RAMPS 17 ADJUSTMENT OF MOTOR CURRENT 17 ADJUSTMENT OF THE REMOTE CONTROLS 18...

Page 3: ...ponsible for the fixing of the rail to the wall or the pillars to the floor steps Check the packages for shipping damage and missing parts before bringing the lift to the site Take pictures of damaged parts as soon as these are discovered to provide proof for warranty claims A team of 2 qualified technicians is necessary to install the lift Bring the platform to the upper landing before fixing the...

Page 4: ...ircase Step 1 If there are 2 rail sections combine both rail sections See illustration If there are more than 2 rail sections the 3rd rail sections has to be added once the first 2 are installed on the staircase Step 2 Set the approximate angle between the rail and the bracket according to the angle given in the installation drawing Then fasten all screws that connect the brackets to the upper and...

Page 5: ...rawing below Step 4 Adjust the correct angle of the rail Now check the necessary clearance dimensions D in illustration between the lower rail and the step noses In case the rail angle must be changed to get the correct clearance between rail and step then the angle of the lower platform carriage needs to be changed Step 5 If the actual measurements correspond with the clearance dimensions on the ...

Page 6: ...DELTA Installation Manual Edition July 2013 DELT platform lift page 5 of 24 Load and fixings of rails and pillars ...

Page 7: ...on July 2013 DELT platform lift page 6 of 24 Installation material for fixing of the rail For concrete walls For concrete walls For concrete walls For brick walls For brick walls Adhesive 2 components glue for brick wall installation ...

Page 8: ...DELTA Installation Manual Edition July 2013 DELT platform lift page 7 of 24 Overview platform ...

Page 9: ...upper rail Then the lower carriage will be approached carefully to the lower rail Step 4 Insert the hand wheel into the drive motor loosen the break of the motor and turn the hand wheel into the downwards direction Note Always watch the interference of the tooth wheels drive wheel and overspeed governor and the rack Have a look at the illustration to the right if it does not go smoothly dismantle ...

Page 10: ...ned see below Adjust the upper carriage to the same angle as the lower carriage and the rail Note After adjusting the angle of the upper carriage fix the four nuts of the upper carriage This must not be forgotten Step 8 Run the carriage once up and down on the railway and check if the overspeed governor is adjusted well There should be a constant gap between the rack and the guide holes in the ove...

Page 11: ...rofile in the upper and lower landing Fine adjust limit switches S27 and S28 if necessary with the slot hole under the carriage covers The plastic buffers on the lower end of the backside of the carriage should touch down slightly on the bottom in the lower stop position The lower limit assembly should be placed accordingly In the upper stop position the platform should be in one line with the lan...

Page 12: ...ever for unclamping is responsible for the left barrier and the lower lever is responsible for the right barrier Caution Do not mount two control cams in the upper stop position Else the lower barriere can be opened and the user may fall out of the platform Add the red colored plastic hood on the lever for the upper barrier this indicates for the emergency rescue of passengers as described in the ...

Page 13: ...heck function of directional safety switches safety bottom underpan loading ramps landing stop limit switches Check ultimate limit switches function Check barrier arm safety switch function Check proper connection of charging stations make sure there is no possibility for a short circuit Check proper platform position at lower stop under full load make sure safety bottom is not pressed before lowe...

Page 14: ...24 Standard electrical components of the sidewall Platform closed switch Barrier arm open switch Ramp switch Barrier arm safety switch Platform motor Platform open switch Barrier arm safety switch Ramp switch Barrier arm horizontal switch Control board Safety bottom switches ...

Page 15: ...July 2013 DELT platform lift page 14 of 24 Electrical components of the lower carriage Limit switch Ultimate limit switch By pass switch Overspeed switch Limit switch Ultimate limit switch Levers for unblocking of barrier arms Batteries ...

Page 16: ...cs Actuator slider Hook for barrier arms opening Ramp activation Barrier arm linkage Ramp linkage Ring screw Central platform mechanism plate Lateral contact bar Switch for lateral contact bar Switch for lateral contact bar Ball bearing linkage Mechancial stop for folding of platform Unblocking of barrier arms ...

Page 17: ... is open it must click when pressed Otherwise adjust S11o must be pressed when platform is closed Otherwise adjust Between the main bearing and the platform sliding mechanism a minimum distance of 1 2mm must be given This can be adjusted by changing the length of the ball bearing connection between the platform and the carriage This is important so that mechanical force of the platform in an unfol...

Page 18: ... and S13 Adjustment of motor currents On the electronic board you can adjust the maximum current of the drive motor and the maximum current of the platform actuator Adjusting the main motor Start on the lower landing with the full load capacity on the platform and drive upwards While driving upwards turn the potentiometer R40 to the right until the lift stops Now the maximum current is reached You...

Page 19: ...or valid signals of the working transmitter If no transmitter will be recognized during this time the receiver goes back into normal operation mode Any button has to be pressed during the time of 5 seconds by minimum 2 seconds As soon as a transmitter is known and stored the receiver switches to the normal operation mode and shows the status of the button on the USART Additional transmitters have ...

Page 20: ...ion Make sure that the connection between the spring and the bearing is correctly put together afterwards The connection metal parts have a slight bend It is important for reassembly that they are put back in the same way Disconnect the electrical wiring between the platform floor and the sidewall Disconnect fixing screw from the treaded pinhole of main platform hinge bearing Remove the main beari...

Page 21: ... the lower right part of the sidewall The platform with full load presses the spring washers and if the real load exceeds the rated load by around 25 then the switch is activates and departure from the landing stop position is blocked by the overload switch In case the switch needs adjustment on site it is necessary to load the platform with the rated load 25 and then adjust the switch with the ad...

Page 22: ...y switches S14 and S15 and the ultimate limit switches S22u and S22o The platform can open and close in landing station and can run with the platform open but can not run with the platform closed Check adjustment of switch S11o This switch must be pressed when the platform is closed If not pressed LED 12 is off The platform can open and close in landing station and can run with the platform closed...

Page 23: ...also activate the limit switch If they are pressed drive back with the use of the hand wheel and try again If the platform is in a landing station check if the opposite limit switch is not pressed If the upper limit switch S27 is pressed then LED 25 is off If the lower limit switch S28 is pressed then LED 26 is off If the platform still does not move at all check the battery voltage It should be 1...

Page 24: ...DELTA Installation Manual Edition July 2013 DELT platform lift page 23 of 24 Overview of the switchboard LED functions ...

Page 25: ...DELTA Installation Manual Edition July 2013 DELT platform lift page 24 of 24 ...

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