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fakro LWS-P 22/47, Installation Instruction

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fakro LWS-P 22/47 Installation Instruction Download Page 2

INSTALLERS, CARPENTERS, CONTRACTORS

- Read all warning notes.  Warning notes contain

important safety tips.

- In order to assure safe use of the attic ladder,

proceed according to the installation instruction.

- The attic ladder is not safe to use, unless it is

completely installed according to the following

instructions.

Summary of Contents for LWS-P 22/47

Page 1: ...INSTALLATION INSTRUCTION FOR ATTIC LADDER ...

Page 2: ...tes Warning notes contain important safety tips In order to assure safe use of the attic ladder proceed according to the installation instruction The attic ladder is not safe to use unless it is completely installed according to the following instructions ...

Page 3: ...ools and materials pages 3 IV Finding a suitable locations for installation pages 4 V Cutting a hole in the ceiling pages 5 VI Cutting the ceiling joists pages 6 VII Framing the installation opening pages 7 installing the single headers pages 7 double headers pages 8 installation of stringers pages 9 VIII Installation of the temporary support boards pages 9 IX Positioning the attic ladder pages 10...

Page 4: ...t does not fit in the range described on the product s label Modifications of the attic ladder can be dangerous Does the construction of your ceiling enables installation of the attic ladder The attic ladder can be installed in buildings with typical wood framed ceiling Figure1 You should never cut any of the constructing elements of the ceiling without prior consultation with an architect refer t...

Page 5: ...6Ē for temporary support ó few boards for working platform in the attic space ó wood shim stock ó 20d sinker nails ó 4Ē screws for wood Stepladder Stepladder should be long enough to allow you to enter the overhead space Make sure that the ladder will withstand your weight 65 Lb WARNING You should be extremely causious while climbing the ladder other person should be holding the ladder preventing ...

Page 6: ...u should do the following a check if there is enough room to work during the installation b make sure there are no obstacles ie air ducts electrical installations etc in the attic area disabling safe installation and use of the attic ladder Warning In order to check the attic area for the above mentioned obstacles and dangers put on a dust mask safety goggles gloves and proper clothes to prevent c...

Page 7: ...ist will allow to use it as part of the frame which will be needed for installation STEP 6 Cut out and remove remaining part of the ceiling according to traced lines rectangle while observing a not to cut any joists only the ceiling board b remove the ceiling board by small pieces because the ceiling materials can be very heavy STEP 7 If there are no joists along or across the opening go to sectio...

Page 8: ... ft from the opening edge pic 10 Note The 2 ft space is required to nail the frame STEP 4 Nex decide where you will cut the joist see Figure11 The cutting line should be away from the actual opening twice the thickness of the frame usually 3 inches This will allow to install double headers at both ends of the joist pic 17 pg 8 Note In older homes the thickness of the joist might be greater than wh...

Page 9: ...3 The header must tightly fit between the joists If needed use a hammer to position the header Step 4 Align the header at 90o angle to the joists and drive 3 nails 16D at each end STEP 5 Position the second header 47Ē apart from the first one for LWS P 22 47 LWS P 25 47 or 54Ē for LWS P 22 54 LWS P 25 54 and repeat step 4 Figure 14 STEP 6 The frame must have four sides where the headers are two of...

Page 10: ... a hammer to set the header in the appropriate place STEP 4 Square the header to one joist and drive 3 nails 16d on both ends and to the cut joist Figure 16 STEP 5 Position the second header in front of the first one and nail it Figure 17 STEP 6 Repeat steps 3 5 in order to install headers at the other side of the ceiling opening STEP 7 In order to install other elements of the frame proceed to se...

Page 11: ... 8Ē Table 3 X X temporary support boards 1 4 ledge along hinged side screws or nails Fig 20 Installation of temporary support boards X 1 4 temporary support boards Installation of stringers STEP 1 Measure the length of the stringer ďWĒ between the cross beams Figure18 The measurement should be perpendicular to the headers STEP 2 Cut the stringer to size Use timber similar in size to the existing c...

Page 12: ...eaders at the opening end Make sure that the attic ladder rests on the temporary support boards STEP 5 Open the attic ladder using the control rod by turning it 90o arrow 1 counterclockwise Figure23 Pull the lid until fully open and until the blocking mechanism is engaged arrow 2 Warning Do not unfold legs of the attic ladder yet Use of the attic ladder is not safe yet Do not step on the attic lad...

Page 13: ...d below the ceiling surface Note Use of an oversized shims can damage the casement of the attic ladder Check the squareness of the frame by measuring the diagonals Figure24 Both measurements should be within 1 8Ē to be considered square STEP 2 Using a 1 8Ē drill bit pre drill nail locations in the ladder casing Figure25 Do not drill through joists and headers Drilling should be done on the longer ...

Page 14: ...he attic ladder and fold the bottom section as shown on Figure 26 STEP 2 Loosen screws as shown by the arrow 1 and move the steps away from the lid as shown by arrow 2 Figure27 STEP 3 Tighten the previously loosened screws as shown by arrow 3 Figure28 WARNING Upon completion of these tasks the distance between the steps and the lid should remain constant Otherwise this can cause damage to the atti...

Page 15: ...d can cause severe injuries STEP 7 Check for proper trimming of the legs by unfolding the full run The ladder should look like on Figure 31 There should be no gaps between the metal hinges and the feet should be flush with the floor ATTENTION Gaps between the metal hinges mean that the feet are not properly trimmed Figure32 and 33 Do not climb the attic ladder if there are visible gaps between the...

Page 16: ...KRO Group All specifications are subject to change without prior notice 2003 FAKRO GROUP FAKRO AMERICA L L C 311 W Laura Dr Addison IL 60101 USA tel 630 543 1010 fax 630 543 1011 e mail sales fakro info www fakro info www fakro com IMSS USA A4GB 09 04 2003 K ...

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