Control screw tightening and union sealing, Gb r750 – Karcher HD 19-100 De Tr1 User Manual

Page 77

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C1453

00602.

fm

English

Maintenance information

GB

R750

Important

This operation must be carried
out each time the fuel cartridge is
changed

Follow the procedure below.

1- Turn off the engine and remove

the ignition key.

2- Let the engine cool down ade-

quately to avoid being burnt.

3- Prepare a container of appropri-

ate capacity.

4- Loosen the screw (E).
5- Operate the pump (F) manually

to eliminate air from the circuit.

6- Check that a flow of clean fuel contain-

ing no air bubbles is coming out of the
bleeder screw (E).

Important

Be careful to ensure that the fuel in the
filter does not drain completely out. If it
does, remove it (see "Fuel filter replace-

ment"), fill it manually and then repeat
the bleeding operation.

7- Tighten the screw (E).
8- Wipe out the fuel residues before start-

ing the engine.

Follow the procedure below.

1- Start the engine and run it at minimum

speed for a few minutes.

2- Run the engine at normal speed until the

operating temperature (70÷80°C) is
reached.

3- Turn off the engine and let it cool down.

4- Make sure the fixing screws of the main

parts are tightened properly.

5- Check the union sealing on the fuel sup-

ply circuit.

6- Check the tightening of the clamps.
7- Check any fluid leaks.

FUEL SUPPLY CIRCUIT BLEEDING

CONTROL SCREW TIGHTENING AND UNION SEALING

IDM-45300600900.tif

pump (G)

bleeding screw (E)

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