Cooling System Maintenance; Removing Debris From The Cooling System - Toro 03706 Operator's Manual

Cooling System
Maintenance
Capacity of the cooling system is 3.7 US gallons (14 L).
Always protect the cooling system with a 50/50 solution
of water and ethylene glycol anti-freeze. Do not use
water only in the cooling system.
• After every 100 operating hours, tighten hose
connections. Replace any deteriorated hoses.
• After every 800 operating hours, drain and flush the
cooling system. Add anti-freeze (refer to Checking
the Cooling System).
Removing Debris from the
Cooling System
Service Interval: Before each use or daily—Remove
debris from the screen, oil coolers,
and radiator (more frequently in dirty
operating conditions).
1. Turn the engine off and remove the key from the
ignition switch.
2. Release the front engine cover latches and raise the
engine cover.
3. Thoroughly clean all debris out of the engine area.
4. Remove the knobs securing the rear screen to the
frame and remove the screen (Figure 38).
1
Figure 38
1. Rear screen
5. Lift up on the oil cooler handles and pivot it rearward
in the mounting slot. Clean both sides of the oil
cooler, radiator and rear engine area thoroughly with
compressed air (Figure 39).
2
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2. Knob
1 2
3
1. Oil cooler
2. Radiator
6. Pivot oil cooler back into position and install rear
screen.
7. Lower the engine cover and secure the latches.
34
Figure 39
3. Inline fuel filter
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