Lakeside Industries alto MD 250 Instruction Manual Download Page 1

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ALTO MEDIUM DUTY

MD 250 DOUBLE WIDTH TOWER

Mobile Aluminium Access Tower

ISSUE 3

Instruction Manual BS EN 1004-2:2021-EN

The ALTO MD 250 Tower is certified to BS EN 1004-1:2020

3T - Through The Trapdoor Method

Lakeside Industries Ltd

www.altoaccess.com
[email protected]

Summary of Contents for alto MD 250

Page 1: ...H TOWER Mobile Aluminium Access Tower ISSUE 3 Instruction Manual BS EN 1004 2 2021 EN The ALTO MD 250 Tower is certified to BS EN 1004 1 2020 3T Through The Trapdoor Method Lakeside Industries Ltd www altoaccess com sales altoaccess com ...

Page 2: ...isks This manual must be made available to the user assembler at all pertinent times Only competent and qualified personnel should undertake erection dismantling or alteration organisation planning or supervision of mobile access towers In the case of any doubt sufficient relevant additional training must be given beforehand to ensure safe use For further information on the use of mobile access to...

Page 3: ... or injury to either the equipment or persons Never use any equipment which is damaged has parts missing or is improperly assembled Repairs should only be carried out by Lakeside Industries Limited or their authorised repairers In case of any doubt as to the integrity of any items of Alto Access equipment the part should be withdrawn from use quarantined and subject to detailed examination to dete...

Page 4: ...ve metallic structure The safe working load of the tower is 2 000kg including its own weight The maximum safe working load of any individual platform is 282 kg evenly distributed This product shall only be used according to the instruction manual User training courses cannot be a substitute for instruction manuals but only complement them If the tower is to be used in an application outside the sc...

Page 5: ...uropean standards by the manufacturer for that purpose Fit guard rails to all platforms and ensure all wind latches are engaged at both ends of all platforms Stabilisers shall always be fitted when specified Working is only permitted on a platform with complete side protection including guardrails and toeboards The distance between platforms shall not exceed 2 25m Mobile access towers in accordanc...

Page 6: ...cal means such as barriers or site fencing to prevent access to the area immediately around the tower Warning signs identifying the areas where access is not permitted should be displayed at the access points to area occupied by the tower Attaching a well designed and correctly fitted ladder guard to the lowest levels of the tower Appropriate site security Unattended towers should be tied in to a ...

Page 7: ...ioning of stabilisers Stabilisers must be positioned in accordance with the manual Ensure that the couplers are fully tightened to give a reliable grip on the tower frame Ensure that the stabilisers press firmly against the ground Check that no environmental changes have occurred which influence or affect safe use of the tower Wind Speeds Persons using or responsible for towers must beware of the ...

Page 8: ...ower without the assembler being at risk of falling This tower is a 3T tower Step 1 As each new level of platform is installed the operative takes up a working position in the trap door of the platform standing on the ladder and leaning back against the edge of the trapdoor aperture Step 2 From this position the operative fits the horizontal braces 500mm and 1000 mm above the platform level i e on...

Page 9: ...that the stabilisers press firmly against the ground In an open area set the stabilisers so they form a square around the tower as per the diagram below Diagonal braces must always be located with the claw opening facing down Horizontal braces must be located with the claw facing either down on the rung or outwards if on the upright All braces are fitted with spring loaded pins that automatically ...

Page 10: ...ance to fit the specified stabilisers contact your supplier or the manufacturer for specific advice Where ballast or kentledge is used it must be of solid material placed on a platform on the lowest rung of the tower and secured against unauthorised removal 1 6m DW 3 5m upto inc 5 7m 4 5m above 5 7m 3 5m upto inc 5 7m 4 5m above 5 7m 2 4m DW 3 8m upto inc 6 2m 4 8m above 6 2m 3 8m upto inc 6 2m 4 ...

Page 11: ...an 4m intervals Ties must be rigid in tension compression and be secured to both frame uprights For further details regarding tying in please contact your supplier or the manufacturer Lakeside Industries Limited Signage After assembly or alteration the following minimum information shall be displayed on the mobile access and working tower and be clearly visible from the ground e g on a tag The nam...

Page 12: ...Page 12 ALTO MD 250 Double Width Tower Assembly Guide ...

Page 13: ...Page 13 ALTO Access Products Lakeside Industries Ltd ...

Page 14: ...4 6 6 8 6 8 8 10 8 10 10 12 10 12 3103 MD250 D W 6 Rung Frame 9 3 2 2 2 2 2 2 2 2 2 2 3104 MD250 D W 4 Rung Frame 6 3 2 2 2 2 2 2 2 2 2 2 2 3015 MD 1 6m Horiz Brace blue 2 0 6 8 11 11 11 12 15 15 15 16 19 19 19 20 23 23 23 24 27 27 27 3016 MD 1 6m Diag Brace green 2 4 3 3 4 5 6 6 6 8 8 8 8 10 10 10 10 12 12 12 12 14 14 3019 MD 1 6m Plain Platform 12 5 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 3021...

Page 15: ...1 1 1 1 1 1 1 1 1 1 3101 MD250 D W 8 Rung Frame 12 2 2 2 4 2 4 4 6 4 6 6 8 6 8 8 10 8 10 10 12 10 12 3103 MD250 D W 6 Rung Frame 9 3 2 2 2 2 2 2 2 2 2 2 3104 MD250 D W 4 Rung Frame 6 3 2 2 2 2 2 2 2 2 2 2 2 3017 MD 2 4m Horiz Brace yellow 2 6 6 8 11 11 11 12 15 15 15 16 19 19 19 20 23 23 23 24 27 27 27 3018 MD 2 4m Diag Brace brown 3 0 3 3 4 5 6 6 6 8 8 8 8 10 10 10 10 12 12 12 12 14 14 3020 MD 2 ...

Page 16: ... horizontal braces to the uprights of the first frame in the area above the bottom rung as shown Make sure that the braces are connected from the inside of the tower facing outwards Make sure that the frame head fittings are pointing inwards into the tower Step 3 Connect the 2nd frame to the horizontal braces in the same position that they are located on the first frames Make sure that the frame h...

Page 17: ...he frames on the opposite side to the guard rails Using a spirit level ensure that the framework is completely level by adjusting the legs Make sure the trap platform is located to one side of the tower as shown and the trap lid opens outwards not inwards Step 6 Once the framework is in position and level connect 4 stabilisers to the corners Fix the shorter arm to the lowest part of the frame then...

Page 18: ... only 1 diagonal brace needs to be fitted Step 7 2 Install another 4 guard rails above the 4 already in place for when the platform is relocated Step 7 3 Remove the lower 4 guardrails by either using the 3T method or uninstalling them from the ground Relocate the platform to the top rung of the first frames If a 2 2m tower is being assembled go straight to Step 10 Install 2 more 8 rung frames and ...

Page 19: ...rung up from the bottom and relocate the 4 guardrails as shown Working off this install a 2nd platform 8 rungs above the first and another horizontal brace in the position shown in Blue Ensure the trap platforms are to one side of the tower as shown and the trap lid opens outwards Step 7 3 Using the 3T method install 4 guardrails to the upper platform If a 2 7m high tower is being assembled go str...

Page 20: ...rail level and the upper hook connects to the 4th rung of the new frame running in the same parallel direction as the diagonal brace below Step 7 2 Install a 2nd platform 8 rungs above the first platform Using the 3T method install 4 guardrails to the upper platform Ensure the trap platform is to one side of the tower as shown and the trap lid opens outwards If a 3 2m high tower is being assembled...

Page 21: ...rails by either using the 3T method or uninstalling them from the ground Then relocate the platform to the top rung of the first frames Working off this new platform position install two 6 rung frames Then clip on 2 more diagonal braces as previously done Ensure the trap platform is to one side of the tower as shown and the trap lid opens outwards Step 7 3 Lower the bottom platform down 2 rungs an...

Page 22: ... 9 Install a trap platform 8 rungs above the previous platform Using the 3T method install 4 guardrails to the upper platform Now repeat steps 8 and 9 until the required platform working height is achieved Once the final step 9 is complete move to step 10 Step 10 Finally workingfromtheguardrailed platform install a plain platform along side the trap platform and using the 3T method relocate the in...

Page 23: ...e the aluminium toeboard assembly Step 2 Next remove the 4 guardrails To remove braces or guardrails first disconnect each brace at the end furthest away from the platform trap door Then immediately take up the protected position detailed in the 3T method Whilst standing through the trapdoor as per the 3T method disconnect the braces completely Step 3 Now working from the platform below the upper ...

Page 24: ...ssembly Guide DISMANTLING INSTRUCTIONS All Platform Working Heights Step 4 Now remove the 2 diagonal braces and the 2 frames off the top of the tower Now repeat steps 2 to 4 until the tower is dismantled or the new platform height is achieved ...

Page 25: ... 3103 MD 250 D W 6 Rung Frame 3104 MD 250 D W 4 Rung Frame 3015 1 6m Horiz Brace blue 3017 2 4m Horiz Brace yellow 3016 1 6m Diag Brace green 3018 2 4m Diag Brace brown 3023 MD Small Stabiliser 3024 MD Large Stabiliser Components 3021 3022 1 6 2 4m Trap Platf 3019 3020 1 6 2 4m Plain Platf 3034 1 6m D W Toeboard 3035 2 4m D W Toeboard ...

Page 26: ...arm Industrial Estate Redditch Worcestershire B98 7SE UK t 44 0 1527 500 577 e sales altoaccess com w www altoaccess com lakesideindust lakeside industries ltd altotowers Manufacturing Member Lakeside Industries Ltd Unit 19 Howard Road Park Farm Industrial Estate Redditch Worcestershire B98 7SE 44 0 1527 500577 sales altoaccess com www altoaccess com ...

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