![background image](http://html1.mh-extra.com/html/fendt/938-vario-mt/938-vario-mt_workshop-service-manual_4002006033.webp)
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Fig. 25 The screw head has two levels.
If the screw head of the screw plug is flat, the engine has hydraulic lash adjusters.
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Fig. 26 The screw head is flat.
1.6.5 Change fuel filters
Absolute cleanliness is required when servicing fuel system.
NOTE:
Pre-filter and main-filter elements are delivered as a filter set. Single filter elements are not available as
replacement parts. Set includes pre-filter water detector gasket. During year 2019 a disposable fuel filter
wrench is included in the fuel filter set.
NOTE:
Refer to the local regulations, for the discard of used components, used liquids (includes used oils) and
used materials.
NOTE:
Make sure that you obey all the requirements of the engine warranty. You must obey the maintenance
schedule recommended by the manufacturer. Use only the filters that have approval by the manufacturer
or those of equivalent quality.
CAUTION: Diesel fuel.
Diesel fuel can cause irritation if you touch or breathe it.
Use protective gloves, when you do work with fuel equipment.
CAUTION: Contamination.
Dirt and contamination can cause system malfunction.
Clean the maintenance components and adjacent area carefully, before the maintenance
work starts.
Procedure
1.
Clean the fuel filters and surrounding area.
2.
Disconnect the pre-filter water detector connector.
3.
Use the fuel filter wrench V837079717 to open the pre-filter element and remove the pre-filter
element from its mounting bracket.
4.
Collect the fuel into a suitable container.
5.
Detach the water detector from the pre-filter bottom end.
6.
Remove the main filter in a similar way.
7.
Attach the water detector to the new pre-filter bottom end.
GUID-D15E8AA3-7AF9-46A8-B256-177610E6E188 [V8]
1. General
1-30
Rubber Track Tractor
79037495A