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Cooling System
Maintenance
Cooling System Safety
•
Swallowing engine coolant can cause poisoning;
keep out of reach from children and pets.
•
Discharge of hot, pressurized coolant or touching
a hot radiator and surrounding parts can cause
severe burns.
– Always allow the engine to cool at least 15
minutes before removing the radiator cap.
– Use a rag when opening the radiator cap, and
open the cap slowly to allow steam to escape.
Cleaning the Engine Screen
and Engine-Oil Cooler
Service Interval: Before each use or daily
Remove any buildup of grass, dirt, or other debris
from the oil cooler and the engine screen
Figure 82
Remove any buildup of grass, dirt, or other debris
from the engine screen. This helps ensure adequate
cooling and correct engine speed and reduces the
possibility of overheating and mechanical damage to
the engine
(Figure
79).
Cleaning the
Engine-Cooling Fins and
Shrouds
Service Interval: Every 100 hours/Yearly (whichever
1.
Park the machine on a level surface, disengage
the blade-control switch (PTO), and engage the
parking brake.
2.
Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3.
Remove the air-intake screen, the recoil starter,
and the fan housing
4.
Clean the debris and grass from the engine
parts.
5.
Install the air-intake screen, the recoil starter,
and the fan housing
(Figure
82).
g008804
g009191
1. Engine guard
2. Engine air-intake screen
3. Bolt
57
comes first)
(Figure
83).
(Figure
83).
Figure 83
4. Fan housing
5. Screw
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