AP47.20-T-0783CB | Fuel prefilter with water separator - replace filter element | 10.3.03 |
ENGINE 457.944 in MODELNMB613.367
T47.20-0031-11
1 Fuel shutoff cock
2 Fuel prefilter
3 Bleed screw
4 Water separator
5 Fuel feed pump
| Remove | ||
Danger! | Risk of explosion from fuel igniting, risk of poisoning from inhaling and swallowing fuel as well as risk of injury to eyes and skin from contact with fuel. | No fire, sparks, naked flames or smoking. Wear protective clothing when handling fuel. | |
1 | Switch off ignition | Secure engine against unintentional starting | |
2 | Close fuel shutoff cock (1) | ||
3 | Empty fuel prefilter (2) | Open bleed screw (3) and drain plug (arrow). Collect escaping fuel. | |
4 | Disconnect electrical connector at floor of water separator (4) | ||
5 | Unscrew water separator (4) from fuel prefilter (2) and clean | ||
6 | Unscrew fuel prefilter (2) | Dispose of filter element in an environmentally acceptable manner | |
| Install | ||
7 | Screw on new fuel prefilter (2) | Replace sealing ring and rub with clean fuel. | |
8 | Screw on water separator (4) | Do not use any tool because of risk of damage. Replace sealing ring and rub with clean fuel. | |
9 | Connect electrical connector at floor of water separator (4) and close drain plug (arrow) | ||
10 | Bleed fuel system | ||
11 | Close bleed screw (3) | ||
12 | Start engine and check fuel system for leaks |
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