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Maintenance
Daily mainte-
nance
Maintenance interval in hours
Each
season
Before
use
After
use
25 50 100 250 300 400 500
Do a check of the engine oil
level. Refer to
To do a check
of the engine oil level on page
24
.
O
Clean the air intake of the en-
gine.
1
O
Do a check of the cleanout cov-
er on the engine.
O
Replace the engine oil and oil
filter.
O O
Remove debris from the cylin-
der and the cooling fins on the
cylinder head.
2
,
3
O
Do a check of and clean the
cooling fins on the oil cooler.
4
O
Do a check of and clean the
spark plugs.
O O
Replace the air cleaner primary
element.
5
O
Do a check of the air cleaner
secondary element.
6
O
Clean the combustion cham-
ber.
7
*
Do a check of and adjust the
valve clearance.
8
*
Clean the valve seating sur-
face.
9
*
Replace the air cleaner secon-
dary element.
10
O
Do a check of the hydraulic oil
level.
X
1
In conditions with dust, cleaning and replacement must be done more frequently.
2
Must be done by approved service agent.
3
In conditions with dust, cleaning and replacement must be done more frequently.
4
In conditions with dust, cleaning and replacement must be done more frequently.
5
In conditions with dust, cleaning and replacement must be done more frequently.
6
In conditions with dust, cleaning and replacement must be done more frequently.
7
Must be done by approved service agent.
8
Must be done by approved service agent.
9
Must be done by approved service agent.
10
In conditions with dust, cleaning and replacement must be done more frequently.
18 2171 - 001 - 14.06.2023
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