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Summary of Contents for Hilti DST 20-CA
- Page 1 DST 20-CA English...
- Page 3 DST 20-CA Original operating instructions...
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Page 5: Table Of Contents
Original operating instructions Contents Information about the documentation ......3 1.1 About this documentation ........3 1.2 Explanation of symbols used . - Page 6 Assembling the saw system ........22 6.1 Installing the anchors for the track supports ......22 6.2 Fastening the rail supports .
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Page 7: Information About The Documentation
Information about the documentation About this documentation • Read this documentation before initial operation or use. This is a prerequisite for safe, trouble-free handling and use of the product. • Observe the safety instructions and warnings in this documentation and on the product. -
Page 8: Product-Dependent Symbols
Product-dependent symbols 1.3.1 General symbols The following symbols are used on the product: Rated speed under no load Revolutions per minute Diameter Saw blade direction of rotation (arrow on the blade guard holder) Suspension point provided for lifting by crane 1.3.2 Obligation symbols The following obligation symbols are used on the product: Read the operating instructions... -
Page 9: Product Information
Product information Hilti products are designed for professional use and may be operated, serviced and maintained only by trained, authorized personnel. This personnel must be specifically informed about the possible hazards. The product and its ancillary equipment can present hazards if used incorrectly by untrained personnel or if used not in accordance with the intended use. -
Page 10: General Power Tool Safety Warnings
or medication. A moment of inattention while operating power tools may result in serious personal injury. ▶ Dress properly. Do not wear loose clothing or jewelry. Contain long hair. Keep your hair, clothing, and gloves away from moving parts. Loose clothes, jewelry, or long hair can be caught in moving parts. - Page 11 Work area safety ▶ Keep work area clean and well lit. Cluttered or dark areas invite accidents. ▶ Do not operate power tools in explosive atmospheres, such as in the presence of flammable liquids, gases or dust. Power tools create sparks which may ignite the dust or fumes.
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Page 12: Additional Safety Instructions For Wall Saws
Power tool use and care ▶ Do not force the power tool. Use the correct power tool for your application. The correct power tool will do the job better and safer at the rate for which it was designed. ▶ Do not use the power tool if the switch does not turn it on and off. Any power tool that cannot be controlled with the switch is dangerous and must be repaired. - Page 13 ▶ Before starting, make sure that the AC supply voltage, AC supply frequency and fuse rating correspond to the specification given on the type identification plate. ▶ Check the machine’s electric supply cable at regular intervals and have it replaced by a qualified electrical specialist if found to be damaged.
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Page 14: Safety Measures At The Danger Areas
▶ Always lead cables and hoses flat on the ground or floor away from the machine. This will help to reduce the risk of tripping while working. ▶ Keep cables and hoses away from rotating parts. ▶ Make sure that the cooling water used is drained away or collected (vacuum) in a suitably controlled manner. -
Page 15: Safety During Operation
View: Horizontal cut in the wall Keep a safe distance of at least Never stand below the working 1.5 m away from all moving parts. area Never stand in line with the rotating Never stand on the other side of the saw blade. -
Page 16: Safety During Transport
round (observe correct direction of rotation). Use of saw blades of a size outside the specified diameter range is prohibited! ▶ Always wear working gloves when touching the saw blade. The saw blade is sharp and can get hot. ▶ Stay alert at all times while working. Monitor the progress of the sawing operation and keep an eye on the cooling water system and the area surrounding the workplace. -
Page 17: Description
Description Product overview Saw head Toolbox Remote control unit Saw blade § Transport trolley Inner flange (saw blade: normal cutting) Blade guard center section Outer flange (saw blade: normal Guide track & cutting and dry cutting) Blade guard side section with clamping screw M12×25 10.9 Accessories box 2328430... -
Page 18: Intended Use
• Overhead work is permissible only when additional safety measures are implemented. No-one is permitted underneath the saw when overhead work is undertaken. • Before carrying out work, consult your Hilti sales adviser. • Up to a maximum saw blade diameter of 650 mm, with the accessories for dry cutting the saw can also be used for dry-cutting masonry and lightly reinforced concrete. -
Page 19: Accessories
Qty. Designation Qty. Designation 3× eccentric pin 1× flush-cutting flange 1× Standard flange Accessories Accessories for the rail system Item number Designation Description 284808 DS-R100-L guide rail Saw head guide, long 100 cm 284809 DS-R200-L guide rail Saw head guide, long 200 cm 284810 DS-R230-L guide rail... -
Page 20: Technical Data
Item number Designation Description 2330128 DST-CF 60 6kt -45 Normal-cutting flange 2330129 DST-CF 1 3/8'' Normal-cutting flange (USA ver- sion) 221343 Hex screw M12×25 10.9 Clamping screw (inner flange, normal cut) Accessories for dry cutting Item number Designation Description 2328064 DST-CF 60 6kt -45 Dry-cutting flange 2330151... -
Page 21: Noise Information In Accordance With En 15027
Noise information in accordance with EN 15027 The sound pressure and vibration values given in these instructions have been measured in accordance with a standardized test and may be used to compare one power tool with another. Sound emissions in operation can vary up to 10 dB(A) from the stated measured values, depending on the type of diamond saw blade used and the operating conditions. -
Page 22: Overcut Or Uncut Distances
Overcut or uncut distances a [mm] with saw blade diameter (⌀) 660 mm 710 mm 810 mm 910 mm 1,010 mm 1,210 mm 120 mm 53 mm 48 mm 41 mm 36 mm 32 mm 27 mm 130 mm 60 mm 55 mm 47 mm 41 mm... -
Page 23: Distance Between Rail Supports
a [mm] 390 mm 292 mm 208 mm 400 mm 315 mm 220 mm 410 mm 343 mm 233 mm 420 mm 378 mm 246 mm 430 mm 429 mm 260 mm 440 mm 275 mm 450 mm 292 mm 460 mm 309 mm 470 mm... -
Page 24: Position Of Holes Drilled For Fastening The Rail Supports
Position of holes drilled for fastening the rail supports Distance between anchors with Distance between track supports track support positioned on the with support positioned on the inside = 9.3 in (235 mm) outside = 5.5 in (139 mm) Distance between anchors with Distance between anchors for &... -
Page 25: Use Of Extension Cables
Pin assignment 3~ + N + PE Phase 1 Phase 2 Phase 3 Earth / ground conductor Use of extension cables WARNING A damaged supply cord presents a hazard! Do not touch the supply cord or extension cord if damaged while working. Disconnect the supply cord plug from the power outlet. ▶... -
Page 26: Assembling The Saw System
HKD–D M12 flush anchor is not suitable for use in masonry, man-made or natural stone and similar materials. ▶ Please contact Hilti Technical Service if you have any questions about secure fastening. The following instructions apply to use of the HKD–D M12 flush anchor. If you use a different type of anchor, please follow the anchor manufacturer’s instructions. -
Page 27: Mounting The Rail On The Rail Supports For Normal Cutting
Mounting the rail on the rail supports for normal cutting Rail Rail clamping plate Rail clamp Rail clamping screw & Rail support Leveling screw 1. Fit rail hooks on the rail. Rail hooks may be used only together with rail supports for normal cutting. 2. -
Page 28: Mounting Track On Track Supports For Bevel Cutting And Adjusting Cutting Angle
Mounting track on track supports for bevel cutting and adjusting cutting angle 1. Slacken the clamping screw for the clamp- ing plate on all track supports. 2. Slacken the bottom clamping screw for the bevel-cut angle. To set a 45° cutting angle, the bottom screw has to be completely removed from the track support. - Page 29 Dimensions for setting up for angular cutting with blade diameter 660 mm 710 mm 810 mm 910 mm α 1,010 mm 1,210 mm 0° 232 mm 258 mm 283 mm 333 mm 383 mm 433 mm 533 mm 5° 239 mm 231 mm 256 mm 306 mm 356 mm...
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Page 30: Mounting The Rail On The Rail Supports For Cutting On Stairs
Mounting the rail on the rail supports for cutting on stairs 1. Mount the rail supports for cutting on stairs on the stairs. 2. Attach the clamping insert for cutting on stairs to the rail support. 3. Slacken the clamping bolts for angle ad- justment. -
Page 31: Installing The Rail And Flush-Cutting Saw Head
Installing the rail and flush-cutting saw head ▶ When installing, make sure that the saw blade does not come into contact with the material, as otherwise friction losses would reduce the saw's performance. ▶ Allow approx. 5 mm of extra clearance between saw blade and material, or use the leveling screws rail support to set the saw to a slight angle. -
Page 32: Preparing The Saw System For Use
Preparing the saw system for use Mounting the saw head CAUTION Risk of injury! Inadvertent starting of the product. ▶ Unplug the supply cord before making adjustments to the power tool or before changing accessories. WARNING Risk of personal injury and damage to the equipment or other property! The saw presents a hazard if it falls. -
Page 33: Connecting The Saw To The Electric Supply And Water Supply
4. Before releasing your grip: Check that the guide rollers are positioned correctly and that the locking lever is fully engaged. Move the locking lever back and forth to check that engagement is correct. Connecting the saw to the electric supply and water supply Electric supply cable Mark for determining position §... -
Page 34: Adjusting The Blade Guard
3. Switch the remote control unit on. For details, please refer to the operating instructions for the DST WRC–CA remote control unit 4. Connect the cooling water hose: (Gardena system connector on the saw head). Adjusting the blade guard Blade guard holder Lever, keyless locking system 1. -
Page 35: Installing Inner Flange (Normal Cut)
▶ Check the O-ring on the inner flange for wear and damage. ▶ Before operating the saw, check the saw blade for damage (e.g. cracks, wear at the area of the flange or blue discoloration caused by overheating). Mount the saw blade in the correct direction of rotation. -
Page 36: Installing Saw Blade (Normal Cut)
Before starting installation, switch the wall saw off at the on/off switch or press the EMERGENCY STOP button. Disconnect the supply cord plug from the power outlet. Always use the genuine Hilti M12×25 10.9 clamping screw to secure the saw blade. English 2328430... -
Page 37: Installing Inner Flange (Flush Cutting)
1. Fit the saw blade on to the centering device on the flange. ▶ The direction-of-rotation arrow on the saw blade (1) must point in the same direction as the direction-of-rotation arrow on the blade guard holder. 2. Position the outer flange on the centering spigot and screw in the clamping screw (2) . 3. -
Page 38: Installing Saw Blade (Flush-Cut)
Shouldered guide stud Saw arm arbor § 1. Remove the inner flange (normal cutting), if fitted. → page 40 2. Press the flange nut fully into the inner flange. The inside face of the flange must form a flat surface. Install the flange only if the flange nut is fully countersunk. - Page 39 1. Turn the blade guard holder in the direction from which you want to insert the saw blade with inner flange. Turn the blade guard holder so that the saw blade is held by the shouldered guide studs. 2. Push the saw blade with installed inner flange into the mount of the 6 shouldered guide studs (1).
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Page 40: Fitting The Blade Guard
Fitting the blade guard Blade guard center section Blade guard holder & Blade guard side parts Guide wheels Clamp Tensioning lug Metal hook Rubber tensioning strap DANGER Risk of injury! Operating the saw without the blade guard fitted increases the risk of injury. ▶... -
Page 41: Working With The Saw
Working with the saw Checks before beginning sawing work WARNING Risk of injury! Using damaged parts or parts that do not function as described is highly dangerous. ▶ Do not used parts that evince signs of damage or that are not in full working order. ▶... -
Page 42: Dry-Cutting Application
▶ When making the guide cut, the power of the saw should be reduced in order to ensure a straight cut. Technical data Power setting for the guide cut ≈ 60 % Subsequent cuts Subsequent cuts can be made at full power (100 %) with the saw arm in the trailing or leading position. -
Page 43: Installing Water Bypass
8.3.2 Installing water bypass 1. Remove the screw plug from the water bypass connection (1). 2. Screw the water-connection adapter into the water bypass connection (2). 3. Use a ring/open-ended wrench to tighten the water-connection adapter hand-tight (3). 4. Connect the water drain hose to the water-connection adapter (4). 8.3.3 Installing blade guard and dust extractor 1. -
Page 44: Removing Inner Flange (Normal Cutting, Dry Cutting)
Removing inner flange (normal cutting, dry cutting) You can leave the inner flange for normal cutting installed until you are going to make a flush cut or a dry cut. The inner flange does not necessarily have to be removed for transport purposes. The carrier tool for saw blades with inner flange (flush cutting) supplied with the equipment has a hex socket that you can use to counter-hold the tie rod in the inner flange. -
Page 45: Blowing Out The Cooling Circuit
5. Blow out the cooling circuit. → page 41 6. Remove the saw head from the track. 7. Remove the guide track. 8. Dismantle / remove the track supports. 9. Clean all components and check them for damage. 10.Stow the components on the transport trolley and secure them all in position. Blowing out the cooling circuit To avoid frost damage when there is a risk of frost, the cooling circuit must be blown out after completion of the work or before long pause between periods of work. -
Page 46: Adjusting The Guide Rollers
5. Adjust the second roller in the same way. 10.2 Inspection ▶ Have the machine checked by Hilti Service at intervals of 200 operating hours. The remote control unit shows the number of operating hours remaining until the next service is due. -
Page 47: Maintenance
▶ Do not start the wall saw if you find damage and/or malfunctions. Have the wall saw repaired by Hilti Service right away. To help ensure safe and reliable operation, use only genuine Hilti spare parts and consumables. Spare parts, consumables and accessories approved by Hilti for use with your product can be found at your Hilti Store or online at: www.hilti.group... -
Page 48: Transport And Storage
Parts Procedure Daily Weekly Saw head Clean the external splines on the flange nut ✓ and the internal splines on the arbor, check condition and if damage is found have the damaged parts replaced. Check the freedom of movement of tie rod and ✓... -
Page 49: Troubleshooting
▶ Check the machine for damage before use after long periods of transport or storage. Troubleshooting If the trouble you are experiencing is not listed in this table or you are unable to rectify the problem by yourself, please contact Hilti Service. Trouble or fault Possible cause... -
Page 50: Disposal
Most of the materials from which Hilti products are manufactured can be recycled. The materials must be correctly separated before they can be recycled. In many countries, your old tools, machines or appliances can be returned to Hilti for recycling. Ask Hilti Service or your Hilti sales representative for further information. -
Page 51: Manufacturer's Warranty
7) by adding an acidic neutralizing agent or dilute it by adding a large quantity of water before allowing it to enter the sewerage system. Manufacturer’s warranty ▶ Please contact your local Hilti representative if you have questions about the warranty conditions. FCC statement (applicable in US) / IC statement (applicable in Canada) This device complies with Part 15 of the FCC Rules and RSS-210 of lC. - Page 52 *2328430* 2328430 Hilti = registered trademark of Hilti Corp., Schaan 20220523...
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