MAINTENANCE
WB140-2N, WB150-2N 3-45
3. Completely unscrew fuel pump (5) and knob (4).
4. Operate knob (4) until fuel without air bubbles flows out of the fil-
ter head. Tighten drain screw (3).
5. Press knob (4) and tighten it completely.
6. Start the engine.
★ If fuel does not flow out when the fuel pump lever is operated,
rotate the driving shaft giving it one turn.
★ Do not let the starter run for more than 15 seconds. Wait at least 15
seconds before repeating the starting procedure.
★ If the engine starts regularly and then stops or works irregularly,
check for any air in the system. If so, check the fuel filter, water
separator, and fuel pump for leaks.
★ After all the fuel has run out, bleed the system.
DRAINING FUEL TANK
This operation serves to remove impurities and condensation from the
tank. Remove lower plug (1) and wait until clean fuel flows out. (Use a
17 mm wrench).
★ The tank must be drained before starting the engine, with tempera-
tures exceeding 0°C (32°F); when the temperature is below 0°C
(32°F), the tank must be drained at the end of work or with the
machine at operating temperature, to prevent condensation from
freezing.
★ Any condensation and impurities that may have accumulated inside
the tank must be eliminated before refueling.
• When draining the fuel tank, avoid spilling fuel, since
this may cause fires.
• If some fuel is accidentally spilled, clean the dirty area
immediately, in order to prevent it from getting slippery
and to avoid fires.
To Next Page
Loading...
Need help?
General
