MAINTENANCE
7-62
Replace Fuel Main Filter Element
--- every 500 hours or when fuel filter restriction
indicator is lit
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CAUTION: Depending on the circumstance, diesel
fuel is flammable. When inspecting or performing
service or repairs on the fuel system, to reduce the
possibility of fire and resulting severe personal
injury, death, or property damage, never smoke
or allow sparks or flames (such as pilot lights,
electrical switches, or welding equipment) in the
work area.
IMPORTANT:
Be sure to use only genuine Hitachi elements for
the fuel main filter element and the pre-filter
element. Failure to do so may lower engine
performance and/or shorten the engine service
life.
Make sure that debris, water, steam, or cleaning
solution does not get inside the fuel system.
1. Prepare 1 liter (1 quart) or larger capacity container to
hold the drained fuel.
2. Loosen and remove fuel main filter (1) using the
provided filter wrench.
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NOTE: Make sure the filter gasket (2) does not stick to the
filter head.
3. Apply a light film of clean engine oil to gasket surface
of the new filter.
IMPORTANT: Do not fill fuel main filter (1) with fuel
before installation.
4. Install empty fuel main filter (1) to the filter head.
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CAUTION: Mechanical overtightening can distort
the threads as well as damage the filter element
seal or filter canister.
5. Tighten the filters an additional two-thirds turn after
the gasket contacts the filter head surface. Follow the
instructions supplied with the filter.
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NOTE: Main filter (1) tightening torque: 25 N·m (2.5
kgf·m, 18.5 lbf·ft)
95Z7B-7-64-2
1
2
3
115Z7B-7-58-1
Main Filter
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