Cooling System Cleaning
Before each operation, check that the air inlet (ro-
Before each operation, check that the air inlet (ro-
tary) screen (C) is free from grass and debris. Clean
tary) screen (C) is free from grass and debris. Clean
the screen if necessary. Every 100 hours of opera-
the screen if necessary. Every 50 hours of operation,
check dust or debris inside fan housing. To check
tion, check and clean the cooling fins and the inside
inside, remove the cleanout cover and see inside
of engine shrouds (H) to remove grass, chaff or dirt
Cooling System Cleaning
from the inspection ports of fan housing. Clean
clogging the cooling system and causing overheat-
or blow the dust if needed. If it is difficultto clean
ing. When cleaning, remove the guard (A), air inlet
Before each operation, check that the air inlet (ro-
the dust with the ports, remove the fan housing
screen (C) and the cooling fan (G), then remove the
tary) screen (C) is free from grass and debris. Clean
fan housing (E) and engine shrouds (H) (includes re-
and clean the dirt completely. Every 100 hours of
the screen if necessary. Every 100 hours of opera-
operation, check and clean the cooling fins and the
moving the air cleaner, fuel pump, oil cooler and the
tion, check and clean the cooling fins and the inside
inside of engine shrouds (H) to remove grass, chaff
voltage regulator parts) if necessary.
of engine shrouds (H) to remove grass, chaff or dirt
or dirt clogging the cooling system and causing
clogging the cooling system and causing overheat-
CAUTION
overheating. When cleaning, remove the guard (A),
ing. When cleaning, remove the guard (A), air inlet
air inlet screen (C) and the cooling fan (G), then
Do not run engine before all cooling system
screen (C) and the cooling fan (G), then remove the
remove the fan housing (E) and engine shrouds (H)
parts are reinstalled to keep cooling and car-
fan housing (E) and engine shrouds (H) (includes re-
(includes removing the air cleaner, fuel pump, oil
buretion as intended.
moving the air cleaner, fuel pump, oil cooler and the
cooler and the voltage regulator parts) if necessary.
voltage regulator parts) if necessary.
[Bolts Size, Tightening Torque]
CAUTION
Bolts Size Length Tightening torque
Do not run engine before all cooling system
5.9 N·m (0.6 kgf·m, 4.3
parts are reinstalled to keep cooling and car-
B
M6
12 mm
ft·lb)
buretion as intended.
5.9 N·m (0.6 kgf·m, 4.3
D
M6
10 mm
ft·lb)
[Bolts Size, Tightening Torque]
5.9 N·m (0.6 kgf·m, 4.3
Bolts Size Length Tightening torque
F
M6
81 mm
ft·lb)
5.9 N·m (0.6 kgf·m, 4.3
B
M6
12 mm
ft·lb)
5.9 N·m (0.6 kgf·m, 4.3
D
M6
10 mm
ft·lb)
Do not run engine before all cooling system
parts are reinstalled to keep cooling and car-
buretion as intended.
[Bolts Size, Tightening Torque]
Bolts Size Length Tightening torque
5.9 N·m (0.6 kgf·m, 4.3
B
M6
12 mm
ft·lb)
5.9 N·m (0.6 kgf·m, 4.3
D
M6
10 mm
ft·lb)
5.9 N·m (0.6 kgf·m, 4.3
F
M6
81 mm
ft·lb)
35
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MAINTENANCE
33
MAINTENANCE