8.8.8 Fuel prefilter (switchable) – Filter element replacement
Special tools, Material, Spare parts
Designation / Use Part No. Qty.
Torque wrench, 20–100 Nm
F30026582 1
Ratchet bit
F30027340 1
Diesel fuel
Filter parts kit
(→ Spare Parts Catalog)
DANGER
Components are moving or rotating.
Risk of crushing, danger of parts of the body being caught or pulled in!
• Operate the engine at low load only. Keep clear of the danger zone of the engine.
WARNING
Fuels are combustible and explosive.
Risk of fire and explosion!
• Avoid open flames, electrical sparks and ignition sources.
• Do not smoke.
• Wear protective clothing, protective gloves, and safety glasses / facial protection.
WARNING
Liquid or gaseous media, e.g. fuel, are poisonous.
Escaping vapors of highly volatile media, e.g. fuel or ether.
Risk of fatal injury through swallowing; risk of poisoning through inhalation; irritation to eyes
and skin!
• Seek medical attention immediately; do not induce vomiting.
• Do not inhale vapors or mist.
• Wear protective clothing, protective gloves, and safety glasses.
• If contact is made with skin, wash off with water and soap.
WARNING
High level of engine noise when the engine is running.
Risk of damage to hearing!
• Wear ear protectors.
WARNING
Fuel in the prefilter can be pressurized.
Risk of injury through spraying fuel!
• Wear protective gloves and eye protectors/safety mask.
• Open screw-coupling slowly.
Preparatory steps
u Pressure ratios in the fuel prefilter, see (→ Page 148).
• In case of low pressure, replace fuel prefilter according to version A, see (→ Page 152).
• In case of high pressure, replace fuel prefilter according to version B, see (→ Page 153).
Replacing fuel prefilter with low pressure, version A
Note: • During engine operation, the filter elements must only be replaced on the cut-out filter module!
• At engine standstill, the filter elements on both filter modules can be replaced!
1. Provide a suitable container in which to collect the fuel.
152 | Fuel Filter |
MS15054/03E 2018-07
TIM-ID: 0000080051 - 001
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