MAINTENANCE
SERVICE INTERVALS
The following servicing tasks should be carried out on the machine at the stated running-time intervals.
No.
Items
Indication hour meter (Hr)
Ref.
Page
8
50
100
150
200
250
300
350
400
450
500
550
600
After since
1
Engine oil
Change
●
●
●
●
●
●
●
every 100Hr
after 8Hr
64
2
Engine oil filter
Replace
●
●
●
every 200Hr
71
3
Transaxle oil filter
Replace
◎
every 500Hr
after 300Hr
72
4
Transaxle fluid
Change
◎
every 500Hr
after 300Hr
73
5
Engine start sys-
tem
Check
●
●
●
●
●
●
●
●
●
●
●
●
every 50Hr
61
6
OPC system
Check
●
●
●
●
●
●
●
●
●
●
●
●
every 50Hr
62
7
Front axle and
wheel, seat ad-
juster
Grease
●
●
●
●
●
●
●
●
●
●
●
●
every 50Hr
62
8
Mower link bush-
ings, mower belt
tension pivot
Grease
●
●
●
●
●
●
every 100Hr
70
9
Engine cooling
areas
Clean
●
●
●
●
●
●
●
●
●
●
●
●
every 50Hr
63
10
Muffler and spark
arrester (if equip-
ped)
Check
●
●
●
●
●
●
●
●
●
●
●
●
every 50Hr
63
11
Air
cleaner
Outer el-
ement
Check
●
●
●
●
●
●
every 100Hr
64
*1
Replace
●
●
every 250Hr
72
Inner el-
ement
Check
●
●
every 250Hr
72
*1
Replace
●
every 500Hr
75
12 Fuel filter
Check
●
●
●
●
●
●
every 100Hr
65
Replace
●
●
●
every 200Hr
72
*2
13 Fuel line
Check
every 1 year
75
*3
Replace
every 4 years
77
*2
14 Battery condition
Check
●
●
●
●
●
●
every 100Hr
67
15 Parking brake
Adjust
●
●
●
●
●
●
every 100Hr
65
*2
16
Spark plug condi-
tion and gap
Check
●
●
●
●
●
●
every 100Hr
70
Replace
●
every 500Hr
75
17
Engine oil cooler
fins (if equipped)
Clean
●
●
●
●
●
●
every 100Hr /
every 1 year
68,
75
18
Engine cooling
areas
Clean
●
●
●
●
●
●
every 100Hr /
every 1 year
68,
75
19
Combustion
chamber
Clean
●
●
every 300Hr
72
*2
20
Valve seats and
clearance
Clean
●
●
every 300Hr
72
*2
(Continued)
MAINTENANCE
SERVICE INTERVALS
52
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