Blue Bird Coachworks 450 LXi, Руководство пользователя

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5-3 Engine Maintenance
450 LXi Owner Manual
~ 5-3-36 ~
Rev. “C”
Crank the engine. If the engine starts but the engine runs rough, continue to operate the engine at low idle until the
engine runs smoothly.
After the engine has operated smoothly for 30 seconds, turn the priming valve (3) to the “Open (Run)” position.
f.
g.
5-3.38 Fuel System Primary Filter - Clean/Replace
Stop the engine.
Turn the start switch to the “OFF” position. Disconnect the battery.
Shut off the fuel tank supply valve to the engine.
If the primary fuel fi lter is equipped with a drain valve, open the drain valve in
order to drain any fuel from the fi lter case. Close the drain valve.
1.
2.
3.
4.
Loosen the bolt (1) that is on the fi lter housing. Remove the fi lter case (3).
Remove the element (2) and wash the element in clean, nonfl ammable solvent. 5.
6.
(1) Bolt, (2) Element, (3) Case
Install the element (2) and the fi lter case (3). Tighten the bolt (1) to a torque of 24 ± 4 N•m (18 ± 3 lb ft). 7.
NOTICE: Do not fi ll the fuel fi lters with fuel before installing them. The fuel would not be fi ltered and could be
contaminated. Contaminated fuel will cause accelerated wear to fuel system parts.
NOTICE: Use a suitable container to catch any fuel that might spill. Clean
up any spilled fuel immediately.
WARNING!!
Fuel leaked or spilled onto hot surfaces or electrical components can cause a fi re. To help
prevent possible injury, turn the start switch off when changing fuel fi lters or water separator elements. Clean
up fuel spills immediately.
NOTICE: Shortened injector life may occur if the priming valve (3) is left in the “Closed (Prime)” position.
NOTICE: Do not crank the engine continuously for more than 30 seconds. Allow the starting motor to cool for
two minutes before cranking the engine again.
NOTE: If the engine will not start, further priming is necessary. If the engine starts but the engine continues to
misfi re or smoke, further priming is necessary.