AP47.20-B-0730A | Clean filter element of fuel prefilter | 12.02.16 |
Cumbustion engine 374.905, 374.907, 374.950, 374.951, 374.953, 374.980, 374.984 with Vehicle 681.02# #B, 681.02# #D, 688.101B, 688.101D, 688.103B, 688.103D, 688.118B, 688.118D, 688.123B, 688.123D, 688.133B, 688.133D, 688.156B, 688.156D, 688.174B, 688.174D, 688.176B, 688.176D, 688.177B, 688.177D, 688.187B, 688.187D
B07.00-0028-01
B07.00-0029-01
Manual pump and fuel filter installed inside the front flap
Manual pump and fuel filter installed on the engine block
1 Housing of the filtering element
2 Fixation screws
3 Manual pump
B07.00-0030-01
3 Manual pump
4 Sealing ring
5 Filtering element
6 Spring
7 Bowl
Danger! | Safety measures to deal with fuel | It is not allowed to smoke, to start fires, sparks, open flames. Only keep fuel in appropriate recipients duly correspondingly identified. When handling fuel, use appropriate protective equipment and clothes | |
1 | Externally clean the fuel pre-filter | ||
2 | Loosen the knurled nut, displace the fastening clamp to a side and remove the observation bowl (7) with the filtering element (5), the spring (6) and the sealing ring (4) | Replace the sealing ring (4) | |
3 | Wash the observation bowl (7) and the filtering element (5) with clean Diesel oil | Replace the filtering element (5) if it is too dirty or damaged. | |
The pre-filter observation bowl (7) has to be replaced if presenting damaged sealing surface. | |||
4 | Place the filtering element (5) with the spring (6) on the pre-filter observation bowl (7), correctly position the new sealing ring (4) on the edge of the observation bowl (7). Install the observation bowl (7) and correctly position the fastening clamp and tighten manually the knurled nut | Lightly oil the new sealing ring (4) with engine oil. Do not utilize tools to tighten the knurled nut. Before tightening the nut, observe the correct seating of the observation bowl (7) and of the sealing ring (4). | |
5 | Bleed the air from the fuel system | On engines with filter without the vent, loosen the pump gallery outlet plug approximately 1/2 of one turn. | |
Danger! | Risk of accident due to vehicle unintentional move when the engine is running. Risk of injuries due to crushing and burns caused by contact during the startup procedure or with the engine running | Assure vehicle against unintentional move. Use tight fitting and closed work clothes. Do not touch heated or running parts. | |
6 | Run the engine and check the pre-filter for tightness |
Referenced documents
- ap4700b172001e Bleed fuel system
- as0000b000501a Risk of accident from vehicle starting off by itself when engine running. Risk of injury (bruises and burns) resulting from working on the engine while it is being started or when it is running.
- as4700b000101a Risk of explosion caused by fuel igniting, risk of poisoning caused by inhaling and swallowing fuel as well as risk of injury to eyes and skin caused by contactwith fuel.