User manual TREND STAIR JIG

[. . . ] STAIR JIG STAIR JIG Dear Customer Thank you for purchasing this Trend product, we hope you enjoy many years of creative and productive use. Please remember to return your guarantee card within 28 days of purchase. TECHNICAL DATA STAIR/A Tread thickness Slider diameter Nosing adjustment Weight STAIR/B Tread thickness Riser thickness Guide bush diameter Weight Closed Riser 22mm - 32mm 30mm 16mm - 19mm 6. 17kg Open Riser 32mm 16mm 24mm 6. 3kg CONTENTS TECHNICAL DATA _____________________1 SAFETY PRECAUTIONS ______________2-3 ITEMS ENCLOSED ____________________4 ASSEMBLY __________________________5 DESCRIPTION OF PARTS ______________5 PARTS OF STAIRCASE ______________6 - 7 OPERATION STAIR/A _____________________________8 - Cutters for use with Stair/A ______________8 - Setting up String without Newels _________8 - Setting up the Router __________________8 - Setting up Template on the String ________9 - Cutting the String ____________________10 - Cutting the opposing String ____________10 - Assembly of Treads and Risers _________10 OPERATION STAIR/B ____________________________11 - Basic Information before setting up ______11 - Fitting the Sub-base to the Router _______11 - Setting out the String _________________11 - Fitting the Template __________________11 - Cutting the String ____________________11 - Cutting the opposing String ____________11 MAINTENANCE ______________________12 ENVIRONMENTAL PROTECTION ________12 GUARANTEE ________________________12 SPARE PARTS - Spare Parts List - Spare Diagram STAIR/A STAIR/B STAIR/A STAIR/B ___________13 ___________14 ___________15 ___________16 The following symbols are used throughout this manual: Denotes risk of personal injury, loss of life or damage to the tool in case of nonobservance of the instructions in this manual. Refer to the instruction manual of your power tool. This unit must not be put into service until it has been established that the power tool to be connected to this unit is in compliance with 98/37/EC (identified by the CE marking on the power tool). INTENDED USE The jig is intended to be used to rout stair trenches in wood using a 1/2" shank portable plunge router with a suitable router cutter fitted. -1- If you require further safety advice, technical information or spare parts, please call our technical support department on 01923 224681 or visit www. trendmachinery. co. uk STAIR JIG covering to contain long hair. Do instruction manual of the power tool to be gasoline or flammable liquids. [. . . ] The going should not be less than 220mm for a private stairway and not less than 240mm for a common stairway. Every step or landing must be of equal rise between consecutive floors. The rise of a step must not be more than 220mm for a private stairway and not more than 190mm for a common stairway. Approved Document K Part 1. 14 says the number of risers in a flight should be limited to 16 if a stairway serves an area used for shop or assembly purposes. Part 1. 15 says that stairways of more than 36 risers in consecutive flights should make at least one change of direction of at least 30° between flights. Nosings The nosings on treads usually project 19mm (or thickness of the tread) from the face of the riser below and should, in any case, project not less than 16mm. Pitch The angle between the pitch line and the horizontal should not exceed 42° for a private stairway and 38° for a common stairway. The pitch should not be less than 25° because a stairway built at a shallow angle takes up much more room and is more tiring to ascend. Pitch-line The line drawn from the floor or landing treads in a flight of stairs. Height of Handrails Approved Document K states that flights should have a handrail on at least one side if they are less than 1m wide and on both sides if they are wider than 1m. There is no need for handrails beside the bottom two steps of a stairway. Handrails should be between 840mm and 1000mm high and give firm support. It is a Building Regulation requirement that no openings in any balustrades should allow the passage of a sphere of 100mm in diameter, that is, about the size of a child's head. The underside of a handrail should be grooved to receive the balustrade. Margin Normally 42mm when using a normal rise and going. Going Pitch line Riser Nosing Rise Tread Pitch x° Rise and Going Margin Margin -6- STAIR JIG Floor Floor or landing Headroom of not less than 2. 0m measured vertically above the pitch line Going of step Design The number of steps is governed by the floor to floor height which is usually fixed, and the flight going space available. Alterations may present difficulties but in new buildings the flight going space is usually flexible. Since it is between 575mm and 630mm it meets both the Building Regulation requirements and BS 585. Further information governing the design of stairs can be found in Approved Document K of the Building Regulations 1985 and BS BS 585: 1989 Wood Stairs. Pitch line Rise of step Rise of flight Going of flight Restrictions on flights Ex. 25mm x 25mm Balusters 99mm max. Always refer to the latest copy of the Building Regulations for all specifications. 900 - 1000mm. Outer string Balustrades and Handrails -7- STAIR JIG OPERATION STAIR/A CLOSED RISER Cutters for use with Stair A and tighten collet nut. Place the line-up bush over the end of the line-up pin with router still inverted, plunge the router base down until the line-up bush and pin appears through the central aperture in the router base. Position the sub-base so that the line-up bush fits into the central aperture of the subbase and tighten the fixing screws to secure sub-base to router base. Carefully release the plunge and remove line-up pin and bush. 95° Tread Thickness For 22mm (7/8") For 25. 4mm (1") For 28. 1mm (1. 1/8") For 32mm (1. 1/4") Order Ref. [. . . ] Setting out the String Machine strings to the required thickness and width. Keep upper most the good faces, mark the margin, the rise and the going as on a closed string staircase, remembering that the distance between the top of the tread and the bottom of the stub riser must not exceed 100mm, and that the treads should overlap each other by 15mm. Fitting the Template The template is fitted in the same manner as Stair/A template, except that the spacer block needs to be 4mm. Cutting the String Machine the stub riser first and then the tread. Fitting the Sub-base to the Router 1. [. . . ]