250 Hour Lubrication And Maintenance Checks - Komatsu 730E Operation & Maintenance Manual

Maintenance - Section 40
Page 40-10

250 HOUR LUBRICATION AND MAINTENANCE CHECKS

Truck Serial Number______________________
Hourmeter_____________
1. ENGINE - Refer to the engine operation and mainte-
nance manual for the complete specifications regard-
ing the engine lube oil specifications.
NOTE: If the engine is equipped with the Centinel
system, and/or the Eliminator
oil and filter change intervals are extended beyond 250
hours. Refer to the engine service manual for specific oil
and filter change intervals.
a. Change the engine oil. Refer to the engine
service manual for oil specifications.
b. Replace the oil filters.
NOTE: When installing the spin-on filter elements, fol-
low the instructions, as specified by the filter manu-
facturer. The tightening instructions are normally
printed on the outside of the filter. DO NOT use a
wrench or strap to tighten the filter elements.
c. If the truck is equipped with a reserve engine
oil tank, change the reserve tank oil filter.
d. Check the fan belt tension. Refer to the engine
service manual for fan belt adjustment instruc-
tions.
2. COOLING SYSTEM -
a. COOLANT MIXTURE - Check for proper
coolant mixture. Add coolant as required.
b. COOLANT FILTERS - Change coolant filters.
c. COOLING SYSTEM HOSES - Check cooling
system hoses for damage and signs of deteri-
oration.
Refer to the engine maintenance manual for coolant
filter replacement instructions and proper coolant mix-
ture instructions.
3. FUEL FILTERS - Change the fuel filters (fuel separa-
tors). Refer to engine Operation & Maintenance man-
ual for specific filter replacement instructions.
4. FUEL TANK - Drain water and sediment from fuel
tank.
5. STEERING LINKAGE - Check the torque for the tie
rod's pin retaining nuts - 712 N·m (525 ft lb). Check
the torque on tie rod clamp nuts - 420 N·m (310 ft lb).
6. BATTERIES - Check the electrolyte level and add
water, if necessary.
7. WHEEL MOTORS - Take an oil sample for oil analy-
sis.
Site Unit Number_______________
Name of Service Technician___________________________________
TASK



filter system, the engine
COMMENTS
oil
OM4064 06/11
Lubrication and Service
Date_______________
CHECKED INITIALS