DSH 700 DSH 700-X DSH 900 DSH 900-X English Français Español en fr es
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1 Information about the documentation 1.1 Explanation of signs used 1.1.1 Warnings Warnings alert persons to hazards that occur when handling or using the product. The following signal words are used in combination with a symbol: DANGER! Draws attention to imminent danger that will lead to serious personal injury or fatality. WARNING! Draws attention to a potentially dangerous situation that could lead to serious personal injury or fatality.
1.1.4 Illustrations The illustrations in these operating instructions are intended to convey a basic understanding and may differ from the actual version of the product: These numbers refer to the illustrations at the beginning of the operating instructions. The numbering in the illustrations reflects the order of the work steps in the illustration and may deviate from the numbering of work steps in the text. Item reference numbers are used in the overview illustration.
▶ ▶ Make a note of the designation and serial number printed on the identification plate in the following table. Always quote this information when you contact a Hilti representative or Hilti Service regarding questions about the product: Product information Abrasive disc cut-off saw Generation: Serial no.: Abrasive disc cut-off saw Generation: Serial no.: DSH 700 | DSH 900 01 DSH 700-X | DSH 900-X 02 2 Safety 2.
▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ Dust from material such as paint containing lead, some wood species, minerals and metal may be harmful. Contact with or inhalation of the dust may cause allergic reactions and/or respiratory diseases among operators or bystanders. Material containing asbestos may be worked on only by specialists. To reduce the amount of dust produced when cutting, we recommend use of the wet cutting method. Ensure that the workplace is well ventilated.
▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ ▶ Check that the outside diameter and the thickness of the cutting disc comply with the capacity rating of the product. Never use cutting discs that are damaged, run untrue or vibrate. Do not use damaged diamond cutting discs (cracks in the steel disc, broken or polished segments, damaged arbor hole, bent or distorted steel disc, heavy discoloration due to overheating, steel disc worn away beneath the segments, diamond segments with no lateral overhang, etc.).
O Hole for locking pin for changing cutting discs P Ü Pump cover Air filter cover ( ) + § Water connection Axial adjustment Throttle cable Machine cradle 3.1.2 Saw trolley (accessory) 2 @ ; = % & Grip Throttle trigger Cutting depth adjustment Hold-down device Water tank 3.2 Intended use The product described is a gasoline-powered cut-off saw for the wet or dry cutting of asphalt, mineral construction materials or metals using diamond cutting discs or abrasive cutting discs.
4 Technical data 4.1 Gasoline-powered cut-off saw Cubic capacity Weight without cutting disc, tank empty Weight with saw carriage, without cutting disc, tank empty Power rating Maximum arbor speed Maximum cutting depth DSH 700 / DSH 700-X 30/12" DSH 700 / DSH 700-X 35/14" DSH 900 / DSH 900-X 35/14" DSH 900 / DSH 900-X 40/16" 25.6 lb (11.6 kg) 26.0 lb (11.8 kg) 26.5 lb (12.0 kg) 26.9 lb (12.2 kg) 4.19 in³ (68.7 cm³) 93.9 lb (42.6 kg) 4.19 in³ (68.7 cm³) 94.4 lb (42.8 kg) 5.3 in³ (87 cm³) 94.
DANGER Risk of fire and explosion. Gasoline vapors are highly flammable. ▶ ▶ ▶ ▶ ▶ ▶ Never smoke while refueling. Don’t refuel the product at the area where you are working (move at least 3 meters (10 feet) away from the working area). Don’t refuel the product while the engine is running. Wait until the engine has cooled down. Make sure there are no naked flames or sparks that could ignite the gasoline vapors. Take care to avoid fuel spillage. If fuel is spilled, clean up the areas affected immediately.
5.2 Assembly and adjustment WARNING Risk of injury. Contact with the rotating cutting disc can lead to injury. Hot parts of the machine or a hot cutting disc may cause burning injuries. ▶ ▶ Before fitting or adjusting any parts of the product, make sure that the engine is switched off, that the cutting disc has completely stopped rotating and that the product has cooled down. Wear protective gloves. 5.2.1 Fitting a cutting disc 3 CAUTION Risk of injury and damage. Damaged cutting discs may break.
5.2.2 Adjusting the guard DANGER Risk of injury. Flying fragments or sparks could cause injury. ▶ ▶ Adjust the guard so that flying particles or fragments of the material removed and flying sparks are directed away from the operator and the product. Hold the guard by the grip provided and rotate it to the desired position. 5.2.3 Conversion from normal cutting to flush cutting Note The front section of the saw arm can be converted to allow flush cuts to be made (e.g.
4. Connect the pump hose to the hose connector on the saw. 5. Connect the water pump to the water supply or hang the suction hose in a container filled with water. Note The maximum permitted water supply pressure is 6 bar. 5.6 Removing the water pump (accessory) 1. 2. 3. 4. Disconnect the water supply from the water pump. Disconnect the connector between the pump and the product. Release the three fastening screws on the pump and then remove the pump.
Note The motor will flood if the starting procedure is repeated too many times with the choke engaged. 11. Press the throttle trigger briefly as soon as the engine starts. ◁ This disengages the half-throttle position and the engine then runs at idling speed when the throttle is released. 6.1.2 Starting the engine 8 DSH 700-X DSH 900-X 1. Press the decompression valve (once). 2.
• • • • • • ▶ ▶ ▶ Before beginning the work, or if an obstacle was previously inadvertently contacted, check the cutting disc and guard immediately for possible damage. Check that no persons are present in the working area and, in particular, in the direction in which the cut is to be made. Keep other persons approx. 15 m away from your workplace. Guide the product smoothly and do not apply lateral pressure to the cutting disc. Always bring the cutting disc into contact with the workpiece at right angles.
4. Clean the spark plug, or replace it if necessary, if the product doesn’t start or starts only with difficulty. 5. Readjust (reduce) the idling speed if the cutting disc doesn’t stop rotating when the engine is idling. 6. Have the product repaired by Hilti Service if the drive belt slips when a load is applied to the cutting disc. 7.2 Cleaning or replacing the air filter 11 Risk of damage. Entry of dust causes irreparable damage to the product.
5. Fit a new fuel filter and secure it with the clip on the hose. 6. Push the fuel filter back into the fuel tank. 7. Close the fuel tank. 7.5 Cleaning the spark plug, setting the spark plug gap or replacing the spark plug 14 CAUTION Risk of injury. The spark plug and parts of the engine may be hot immediately after the product has been in use. ▶ Wear protective gloves and allow the product to cool down. 1. 2. 3. 4. Use a gentle twisting motion to pull the cable connector off the spark plug.
7.8 Maintenance 1. Check all external parts of the product and the accessories for damage at regular intervals and check that all controls operate faultlessly. 2. Do not use the product if parts are damaged or if operating controls do not function faultlessly. Have the product repaired by Hilti Service. 7.9 Checks after care and maintenance work ▶ After carrying out care and maintenance, check that all protective and safety devices are fitted and that they function faultlessly. 8 Transport and storage 8.
Trouble or fault High vibration, disc wanders off the cutting line. The saw doesn’t start or is difficult to start. Possible cause Cutting disc is damaged (or unsuitable specification, cracked, segments missing, bent, overheated, deformed, etc.). Action to be taken ▶ Change the cutting disc. The centering bushing is fitted incorrectly. ▶ The fuel tank is empty (no fuel in the carburetor).
Trouble or fault Low engine power / poor cutting performance Possible cause No ignition spark visible or spark is too weak (seen when spark plug is removed). Action to be taken ▶ ▶ ▶ ▶ Wrong fuel mixture. ▶ ▶ The disc specification is unsuitable for the material to be cut. Drive belt or cutting disc slips. ▶ ▶ ▶ Cutting disc rotates while the engine is idling. Cutting disc doesn’t rotate. Starter assembly doesn’t work. Clean the spark plug to remove carbon deposits.
11 Manufacturer’s warranty ▶ Please contact your local Hilti representative if you have questions about the warranty conditions.
2122989 *2122989* Hilti = registered trademark of Hilti Corp., Schaan Pos.
