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17

ASSEMBLY

Always ensure the 

Spring Clips

 are in the lock 

position after inserting the upper frame in the 

Spigot

. To insert, unlock the 

Spring Clip

.

Spring Clip

Spigot

Unlock Position

Lock Position

Clamping Instructions

MAST620_AM-3T_V3.0

Summary of Contents for BS1139-6

Page 1: ...Assembly Manual Stair Towers MAST Series BS1139 6 2014 No CE 21 22 046...

Page 2: ...r ISO 9001 accredited facility This user guide provides you with step by step instructions to ensure your system is assembled easily and safely using the 3T Through the Trapdoor method This user guide...

Page 3: ...tile and user friendly and safe portable access solution which is specifically designed for use on commercial and domestic staircases It has a compact width of just 0 9 Mtr which enables easy transpor...

Page 4: ...ways be fitted when specified Use the stabilizer shown on the component list according to the tower height Outdoor scaffold towers should wherever possible be secured to a building or fixed structure...

Page 5: ...Safety Checklist Air speed and resultant action to be taken 3T Method Checklist Beufort Scale 0 1 mph 12 mph 17 mph 25 mph 40 mph Calm smoke rises easily upwards No action needed Cease work No action...

Page 6: ...locking triggers in the bracing hooks such that they are working properly Sort the braces into horizontal and diagonal braces the diagonals are slightly longer Also note that the braces are different...

Page 7: ...rson should hold the frame in upright position during this step Hook both the Diagonal Braces to the 1st Rung of both the 1 level 6 rungs Walk through Frames on both the sides Step 2 1 Step 2 1 Step 2...

Page 8: ...ough frame and the other side to the 5th rung towards the lower side 6 rungs 1st level walk through frame Step 4 Use a spirit level on the horizontal braces and the frame rungs to check the level Adju...

Page 9: ...ing instructions refer to the Clamping Instructions section on Page 17 Hook the Temporary Trapdoor Platform to the 6th rung of the walkthrough frame towards the lower side of the structure and the 3rd...

Page 10: ...section on Page 17 09 ASSEMBLY Step 8 1 Step 8 1 Hook one side of the standard Diagonal brace to the 1st rung of the 1st level walkthrough frame towards the upper side and the other side of the brace...

Page 11: ...no 19 Step 9 1 Step 9 1 Clamp the 2 Stabilizers on the 2 vertical posts of the frame towards the upper side of the structure as instructed in detail on Page no 19 Step 9 2 Step 9 2 Step 9 1 Step 9 1 C...

Page 12: ...de and the other side of the platform to the 4th rung of the 2nd level 8 rungs Span frame towards the lower side Step 10 1 Step 10 1 Hook the standard Horizontal braces pair to the 7th Rung of 1st lev...

Page 13: ...n frame towards the lower side 12 ASSEMBLY Using the 3T method standing on the ladder and leaning back against the edge of the trapdoor aperture Hook the lower pair of standard Horizontal Braces Mid R...

Page 14: ...ep 14 2 13 ASSEMBLY THIRD LEVEL Step 15 1 Step 15 1 Hook one side of the standard Diagonal brace to the 4th rung of the 2nd level 4 rungs span frame towards the upper side and the other side of the br...

Page 15: ...17 2 Step 17 2 Hook the upper pair of standard Horizontal braces Guard Rail to the 8th rung of 3rd level span frames on both the sides of the structure 14 ASSEMBLY Hook the Working Trapdoor Platform o...

Page 16: ...4 corners of the working platform level around the working platform For more details refer to Toe board assembly details on Page 16 Step 18 1 Step 18 1 Insert the wooden toe boards in the toe board ho...

Page 17: ...d End ToeBoard 16 ASSEMBLY Fix the claw of the Toeboard TB on the Rungs facing each other as shown in the figure Then insert the Side Toeboard and the End Toeboard in the respective toeboard slots as...

Page 18: ...ensure the Spring Clips are in the lock position after inserting the upper frame in the Spigot To insert unlock the Spring Clip Spring Clip Spigot Unlock Position Lock Position Clamping Instructions...

Page 19: ...ST200 300 450 600 Stabilizer PT200 250 Trapdoor Platform BD200 250 BH200 250 Diagonal Brace Horizontal Brace 18 COMPONENTS JA500 FW20900 FM20900 FM10900 BT200 250 ToeBoard Set MAST620_AM 3T_V3 0...

Page 20: ...tighten the upper clamp of the stabilizer on each corner vertical posts at a height where the foot is touching the ground Position the clamp of the lower arm such that the lower arm is as horizontal...

Page 21: ...Comply To Independently tested for use Compliant to 3T Assembly process Safe working load on the platform is 200kgs Sq Mtr evenly distributed Maximum permissible distributed load on the tower 600 Kgs...

Page 22: ...gonal Braces Stabilizer Stabilizer Stabilizer Stabilizer Trapdoor Platform Toe Board 5 0 3 0 104 2 1 1 4 8 4 420 4 0 7 0 5 0 2 3 1 4 12 8 0 0 4 0 0 0 0 4 4 4 0 0 0 0 0 0 4 3 1 2 1 1 1 1 125 620 6 0 10...

Page 23: ...BS1139 6 2014 Certification by TUV India 22 ASSEMBLY ASSEMBLY MAST620_AM 3T_V3 0...

Page 24: ...affixscaffoldin https www linkedin com company affix scaffolding llc https www linkedin com company affix scaffolding llc https qrco de bcPyx6 To Check Assembly Video SCAN ME PO Box No 201633 Doha Qa...

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