Komatsu 730E Operation & Maintenance Manual page 91

Maintenance - Section 4
Page 4-8
250 HOUR LUBRICATION AND MAINTENANCE CHECKS
Maintenance for every 10 & 50 hour Lubrication and
Maintenance Checks should also be carried out at this
time.
NOTE: "Lube Key" references are to the Lubrica-
tion Specification Chart.
1. ENGINE - Refer to the engine Operation & Mainte-
nance manual for complete specifications regarding
engine lube oil specifications.
NOTE: If 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 Operation & Maintenance
manual for specific oil & filter change intervals.
a. Change engine oil. Lube Key "A".
b. Replace lube oil filters.
NOTE: When installing spin-on filter elements, follow
the instructions as specified by the filter manufacturer.
The tightening instructions are normally printed on the
outside of the filter. Do not use a wrench or strap to
tighten filter elements.
c. If 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 Oper-
ation & Maintenance manual for specific fan belt
adjustment instructions.
2. HYDRAULIC SYSTEM FILTERS - Change filter ele-
ments after the initial 250 hours; then each 500 hours
of operation thereafter.
3. FUEL FILTER AND STRAINER - Change filter and
strainer element.
4. MOTORIZED WHEEL GEAR CASE - Refer to the
G.E. planned maintenance manual and specific motor-
ized wheel service manual.
5. STEERING LINKAGE - (If not equipped with auto-
matic lube system) - Add one or two applications of
grease to each grease fitting for pin and bearing.
Check torque on steering pin nuts 343 ± 34 ft. lbs. (465
± 46 N.m) torque. Use Lube Key "E".

∗The Centinel
system is a duty-cycle-dependent
lubrication management system whereby oil is
blended with the fuel and burned and an extension of
oil change intervals can occur.

∗ oil

filter system, engine
Truck Serial Number __________________________
Site Unit Number _____________________________
Date: __________ Hour Meter __________________
Name of Service Person _______________________
COMMENTS
OM4035.1 01/04
Lubrication and Service
CHECKED INITIALS