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User’s Handbook, TSL 4186E, Issue 2 47
4012/16 Diesel
How to change the standard fuel filters (4016 engines)
Special requirements
Warnings!
z Disconnect batteries or any other means of starting the engine. Always wear protective gloves.
z This operation must be done with the engine stopped.
Cleaning the fuel strainer
1 Turn off the fuel supply.
2 Remove the strainer (A1) from its housing (A2) in the fuel feed pipework.
3 Shake any loose particles from the gauze filter (A3) then refit the strainer.
Changing the fuel filter
Note: Removal of the filters will allow a small escape of fuel from the filter housing and pipes. Place a container
under the housing before filter removal.
1 Remove a fuel filter by turning it anti-clockwise using a strap wrench (B1).
2 Wipe clean the sealing faces and threaded bosses of the filter housings.
3 Apply clean engine oil to the rubber sealing ring of the new filter. Carefully screw the new canister up to the
housing. Use firm hand pressure only.
4 Turn on the fuel.
Note: For a short time the engine will not run on all cylinders. This is due to small air locks in the fuel system,
which will automatically be vented as the engine continues to run.
Special tools
Description Part number
Strap wrench UA
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