HARDI-EVRARD ALPHA PLUS 3500, Operating And Maintenance Manual

Page: 62 / 99

ALPHA PLUS HARDI NOVA
M M A A II N N T T E E N N A A N N C C E E
CHAPTER
5 5- 5
A Aiirr ffiilltte err
C Ch haan ng giin ng g E En ng giin ne e o oiill
V Ve en nttiin ng g ffu ue ell ssyysstte em m
2 2
3 3
1 1
When the fuel tank is run empty or after maintenance
work, it is essential to vent the fuel circuit
- Loosing the drain screw ((1 1))
- Priming the fuel circuit by using the manual fuel pump
((2
2)) until fuel with no air bubbles escapes from drain
screw of the pre-filter, then thighten the drain screw. In
case of difficulty to start the engine, loosen pressure hol-
ding valve ((3
3)) and vent the fuel system.
Thigten the vent screw and start the engine. When the
engine is started chech for leaks
Never undo the line to injector to vent
the fuel circuit
A indicator is located on the engine air-intake.
If the red signal ((1
1)) is fully visible when the engine is off, you must clean the filter cartridge. Act as follow :
- Undo clips ((2 2)) and take off hood ((3 3))
- Blow out from inside out with dry compressed air (max. 5 bar). In difficult cases, tap out, taking care not to
damage the cartridge.
- After carrying out service work, reset the signal by pressing the button ((4
4)) on the service indicator.
- Empty dust discharge valve ((5 5)) by pressing apart lips of discharge slot.
1 1
4 4
3 3
5 5
2 2
Clog up
air filter
- Only use quality of lube oil (see table of lubricant).
- Ensure that the engine is on level surface
- Allow the engine to warm up (oil temperature approx. 80°c /146°F.)
- Place oil tray under the engine
- Drain oil and replace the oil filter
- Fit oil drain plug with a new gasket and tighten firmly
- Fill with lube oil (see table of lubricant) and check oil level, if necessary top up
with oil as far as the upper bar
I t i s e s s e n t i a l t o u s e t h e m a k e r ’s g e n u i n e o i l f i l t e r
1 1