
Check underneath the machine for
hydraulic oil leakage.
Install the filter protection plate.
Change of Air Cleaner
A contaminated air cleaner element may cause
malfunction of the engine.
To maximize the life of the engine, replace the
air cleaner element at the appropriate times.
The timing for replacing the air cleaner
element is described below.
Replace the air cleaner element in
accordance with the Maintenance
Schedule.
If it is significantly contaminated, replace
it, even if the hours of operation do not
exceed the specified time.
Replace the air cleaner element by following
the same steps as for cleaning the air
cleaner.
"Cleaning of Air Cleaner" (Page 4-6)
Change of Engine Oil
Caution
Be careful with hot oil, which could cause
burns if it contacts your skin.
Important
When changing the engine oil, be sure to
drain it into a container and discard it in
accordance with local laws and regulations.
Important
Be sure to use engine oil that is classified as
API Service Grade CF or higher, with an SAE
Viscosity that is appropriate for the operating
environment (ambient temperature).
Important
Securely tighten the oil level gauge and oil
filler cap.
8.
9.
1.
[1]
[2]
2.
Change the engine oil more frequently if it is
contaminated and especially if you use the
machine in dusty areas or operate the engine
at high loads or in high temperatures.
Follow the steps below to remove the old
engine oil.
Start and run the engine to warm up the
engine oil.
With the machine on a level surface, stop
the engine.
Remove the drain plug, and then drain the
old engine oil into a container.
1
gui678-021
Change of Engine Oil_001
1
Drain plug
Re-place the drain plug.
Remove the oil filler cap, and then supply
new engine oil until the oil reaches a level in
between the upper and lower limit lines on
the oil level gauge.
The engine oil quantity is approximately 6.0
dm
3
(6.0 L).
Securely install the oil filler cap.
1
kx9tif-009
Change of Engine Oil_002
1
Oil filler cap
It will take a while for the supplied engine oil
to descend into the oil pan.
Check the oil level again 10 to 20 minutes
after replenishment.
1.
[1]
[2]
[3]
[4]
2.
3.
4.
Maintenance
LM551
Maintenance
Page 5-31
Maintenance Work
Summary of Contents for LM551
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