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M0076814-03
Some fuel tanks use supply pipes that allow water
and sediment to settle below the end of the fuel
supply pipe. Some fuel tanks use supply lines that
take fuel directly from the bottom of the tank. If the
engine is equipped with this system, regular
maintenance of the fuel system filter is important.
Fuel Storage Tanks
Drain the water and the sediment from the fuel
storage tank at the following intervals:
• Weekly
• Service intervals
• Refill of the tank
This will help prevent water or sediment from being
pumped from the storage tank into the engine fuel
tank.
If a bulk storage tank has been refilled or moved
recently, allow adequate time for the sediment to
settle before filling the engine fuel tank. Internal
baffles in the bulk storage tank will also help trap
sediment. Filtering fuel that is pumped from the
storage tank helps to ensure the quality of the fuel.
When possible, water separators should be used.
Grounding Stud - Inspect/
Clean/Tighten
Illustration 94
The grounding stud is located on the upper left corner
of the engine control module.
Inspect the OEM harness for good connections.
Inspect the condition of the OEM harness.
The grounding stud must have a wire ground to the
battery. Tighten the grounding stud at every oil
change. Ground wires and straps should be
combined at engine grounds. All grounds should be
tight and free of corrosion.
• Clean the grounding stud and the terminals for the
ground strap with a clean cloth.
• If the connections are corroded, clean the
connections with a solution of baking soda and
water.
• Keep the grounding stud and the strap clean and
coated with MPGM grease or petroleum jelly.
Hoses and Clamps - Inspect/
Replace
Contact with high pressure fuel may cause fluid
penetration and burn hazards. High pressure fuel
spray may cause a fire hazard. Failure to follow
these inspection, maintenance and service in-
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structions may cause personal injury or death.
If you inspect the engine in operation, always use the
proper inspection procedure in order to avoid a fluid
penetration hazard. Refer to Operation and
Maintenance Manual, "General hazard Information".
Inspect all hoses for leaks that are caused by the
following conditions:
• Cracking
• Softness
• Loose clamps
Replace hoses that are cracked or soft. Tighten any
loose clamps.
Check for the following conditions:
• End fittings that are damaged or leaking
• Outer covering that is chafed or cut
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• Exposed wire that is used for reinforcement
• Outer covering that is ballooning locally
• Flexible part of the hose that is kinked or crushed
• Armoring that is embedded in the outer covering
Maintenance Section
Grounding Stud - Inspect/Clean/Tighten
107
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