OM4056 7/11 Lubrication and Service - Section 40
Page 40-9
250 HOUR LUBRICATION AND MAINTENANCE CHECKS (Cont.)
All 10 Hour (Daily) Inspections should also be performed at this time.
NOTE: “Lube Key” references are to the Lubrication Chart on page 40-5.
Truck Serial Number______________________ Site Unit Number_______________ Date_______________
Hourmeter_____________ Name of Service Technician___________________________________
TASK COMMENTS CHECKED INITIALS
2. ENGINE -
1. Change the engine oil. Refer to the engine
operation and maintenance manual for engine
oil specifications. (Lube Key “A”)
NOTE: If the engine is equipped with the Centinel™ oil
system and/or the Eliminator™ filter system, engine oil and
filter change intervals are extended beyond 250 hours. Take
an engine oil sample for analysis. Refer to engine operation
and maintenance manual for specific oil and filter change
intervals.
2. Replace the engine oil filters. Follow the
instructions of the filter manufacturer, which are
normally printed on the outside of the filter. Do
not use a wrench or strap to tighten filter
elements.
3. Change the reserve tank oil filter.
4. Check the tension and condition of each
accessory drive belt. Refer to the engine
operation and maintenance manual for specific
adjustment instructions.
5. Check the torque on the cooling fan mounting
capscrews. Tighten to 237 N•m (175 ft lb).
3. COOLING SYSTEM -
1. Check the coolant level and fill the radiator with
the proper coolant mixture according to Coolant
Specifications on page 40-2.
Refer to the engine
operation and maintenance manual for additional
coolant recommendations.
2. Change the coolant filters. Refer to the engine
operation and maintenance manual for coolant
filter replacement instructions.
3. Check the cooling system hoses for damage
and deterioration. Replace as necessary.
4. FUEL FILTERS - Change the fuel filters. Refer to the
engine operation and maintenance manual for filter
replacement instructions.
5. FUEL TANK - Drain water and sediment from the fuel
tank. Refer to Section B4, Fuel Tank - Cleaning, in the
shop manual.
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