Piston stop, right Piston stop, left 1.3 Use as intended * These parts may be replaced by the user. The DX 351 BT and DX 351 BTG are designed for pro- fessional use in fastening applications in construction Contents Page where X-BT threaded studs are driven into steel.
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● Never point the tool at yourself or any bystander. ● Unused cartridges and tools not presently in use ● Never press the muzzle of the tool against your hand must be stored in a place where they are not exposed or other part of your body.
In these operating instructions, the designation “the personal injury or death. tool” always refers to the DX 351 BT/BTG powder-actu- ated tool. -CAUTION- The word CAUTION is used to draw attention to a poten-...
This is designed to help prevent the Hilti DX tool from firing when it is dropped onto a hard surface, no matter at which angle the impact occurs.
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Prevention of misuse: – When the piston tip is worn or damaged, never try to grind the tip in order to re-use the piston. This may cause serious damage to the tool and will adversely affect fastening quality. – Please refer to the table below for the right fastener guide/piston/fastener combination. Use of the wrong combination may result in damage to the tool.
Cleaning set Hilti spray, flat brush, round brush 19/31 mm, round brush 4.5 mm, round brush 9 mm, cleaning cloth, scraper 5. Technical data Tool DX 351 BT DX 351 BTG Weight 2.28 kg (5 Ibs) 2.36 kg (5.2 Ibs) Length of tool 403 mm (15.9″)
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For more specific information, refer to the Hilti Fastening Technology Manual, which is available 2. Push the cartridge strip, narrow end first, into the from your local Hilti organisation.
Do not operate the tool when parts are damaged or 2. Spray the piston lightly with Hilti spray. when the controls do not operate properly. If necessary, have the tool repaired at a Hilti service centre. 8.6 Cleaning the fastener guide -CAUTION- when cleaning: 1.
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-CAUTION- The use of lubricants other than Hilti spray could dam- age rubber parts, especially the buffer. Printed: 20.08.2013 | Doc-Nr: PUB / 5126352 / 000 / 01...
■ Disassemble the tool for fast ■ cooling and to avoid possible damage (If the tool cannot be disassem- bled: Contact Hilti Repair Center) Cartridge falls out of the Fastening frequency is too high Immediately discontinue using ■ ■ cartridge strip...
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Fault Possible cause Remedy The operator notices: Carbon build-up Clean the tool ■ ■ increased contact pressure Check that the correct cartridges ■ ■ increased trigger force are used (see 1.2) and that they ■ power regulation stiff to adjust are in faultless condition.
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■ ■ Press the tool fully against the work surface work surface. Piston fitted incorrectly ■ ■ Fit the piston correctly. Tool defective ■ ■ Contact your Hilti Center. Printed: 20.08.2013 | Doc-Nr: PUB / 5126352 / 000 / 01...
11. Manufacturer's warranty – DX Tools Hilti warrants that the tool supplied is free of defects Hilti is not obligated for direct, indirect, incidental in material and workmanship. This warranty is valid so...
The declared total vibration value according to 2006/42/EC does not exceed 2.5 m/s Further information regarding the health and safety of the user can be found at the Hilti web site: www.hilti.com/hse Printed: 20.08.2013 | Doc-Nr: PUB / 5126352 / 000 / 01...