Rules Of Cleanliness; Removing And Installing The Fuel Delivery Unit - Skoda OCTAVIA MK1 Service Manual

WARNING
The fuel system is under pressure! Before opening the system lay cleaning cloths around the connection
point. Reduce pressure by carefully releasing the connection point.
Pay attention to the following points when removing and installing the fuel gauge sensor or the fuel delivery
unit from the fuel tank:
t The fuel tank must not be more than
The extraction hose of an exhaust extraction system which is switched on, must be positioned close to the
assembly opening of the fuel tank in order to extract the released fuel gases, even before the work is
t
commenced. If no exhaust extraction system is available, a radial fan (motor not in air flow of fan) with a
delivery volume of more than 15 m
t Avoid skin contact with fuel! Wear fuel-resistant gloves!

Rules of cleanliness

Carefully observe the following "5 rules" for cleanliness when working on the fuel supply and injection
system:
t Thoroughly clean the connection points and their surroundings before releasing.
t Place removed parts on a clean surface and cover. Do not use fuzzy cloths!
t Carefully cover or close opened components if the repair is not completed immediately.
Only install clean components: Remove spare parts from their wrapping immediately before fitting. Do
t
not use any parts which have been stored unwrapped (e.g. in tool boxes etc.).
t When the system is open: Avoid using compressed air. Avoid moving the vehicle.

Removing and installing the fuel delivery unit

Observe safety measures
Observe rules for cleanliness
Special tools, test equipment as well as aids required
t Wrench for union nut -MP 1-227 -
Removing
On models fitted with a coded radio set, pay attention to the coding; determine if
–
necessary.
– Disconnect the earth strap from the battery with the ignition off.
– Unscrew cover (below rear seat).
– Detach feed and return-flow line from flange of fuel delivery unit (press release buttons).
– Unlock and unplug 4-pin connector of flange at fuel tank.
2 / full.
3
3 /h must be used.
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