Hilti DX 351-CT Manual De Instrucciones Original página 13

6. Insert the piston as far as it will go into the piston guide.
7. Fully tighten the locking sleeve by screwing it as far as it will go clockwise.
▶ The locking sleeve engages with an audible click.
8. Install a fastener guide. → page 7
5.2 Disassembling the fastening tool
1. Remove the fastener guide. → page 7
2. Open the piston stop by turning the locking sleeve one full turn counter-clockwise.
3. Pull the piston out of the piston guide.
4. Completely unscrew the locking sleeve from the thread of the power-tool housing.
The locking sleeve sits on a preloaded spring on the piston guide. Hold the piston guide firmly
while unscrewing.
5. Pull the piston guide with locking sleeve out of the power-tool housing.
6. Pull the locking sleeve to the rear and off the piston guide.
5.3 Changing fastener guide 5,
Removing fastener guide
1. Release the fastener guide by unscrewing the union nut counter-clockwise.
2. Pull the fastener guide out of the piston guide.
Installing fastener guide
3. Check that piston brake (1) is present and correctly installed.
4. Position the fastener guide on the piston guide.
5. Push the fastener guide over the protective sleeve into the piston guide as far as it will go.
▶ The piston guide retracts fully into the power-tool housing.
▶ The fastener guide is seated correctly on the piston guide.
6. Secure the fastener guide by screwing union nut (2) clockwise until it is tight.
▶ The annular spring engages with an audible click in the arbor hole of the fastener guide.
7. Check that the annular spring is correctly seated in the arbor hole (3).
5.4 Installing X-PT CT-351 grip
Unless national or local regulations specify a shorter length, a maximum of 3 extensions (3 ft and/or 1 ft
extensions) can be installed between grip and fastening tool to reach high ceilings. The maximum permitted
length of all extensions (not including the grip) is 3 m (9 ft).
Be sure to position your hands correctly when you operate the fastening tool. Always hold the fastening tool
with your hand centered on the grip (see illustration).
1. Screw the grip and extensions, if any, on to the back of the fastening tool.
2. Check that all extensions and the grip are correctly installed.
5.5 Loading the single-fastener tool
▶ Push the fastener into the fastener guide from the front until the plastic washer of the fastener is held in
place in the fastener guide.
5.6 Loading cartridge strips
1. Push the cartridge strip, narrow end first, into the cartridge barrel (insert) until the full length of the
cartridge strip is inside the grip.
2. If you wish to use a cartridge strip in which some of the cartridges have already been used, pull the strip
up and out the top of the fastening tool by hand until the first unused cartridge is in place in the cartridge
chamber.
*388037*
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388037 English 7