HATZ Diesel 1D90 - Manual (Page 29)

5.4. Maintenance every 500
hours of operation
5.4.1. Renewing fuel filter
Fuel filter maintenance intervals depend on the
purity of the fuel used; reduce them to 250
hours of operation if necessary.
Do not smoke or bring a naked flame
near the fuel system when working
on it.
Important !
Keep the entire area clean so that no dirt
reaches the fuel. Fuel particles may damage
the injection system.
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– Shut off the fuel supply line upstream and
downstream of the fuel filter according to
item 1.
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– Unscrew the fuel filter from its mount.
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– Place a suitable vessel under the filter to trap
escaping fuel.
– Pull off fuel supply line „1“ at both ends of fuel
filter „2“ and insert the new filter.
– Always renew the fuel filter. Note the arrows
indicating the correct direction of fuel flow.
– Secure the filter to its mount.
– Open the fuel supply line or prime the pump
until the fuel flows (see Chapter 4.1.3.).
1
2
1
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