Toro 30455TS - Engine Cooling System; Engine Fan Belt; Engine Timing Belt; Removing Debris

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ENGINE MAINTENANCE
1. Unscrew bottom filter cap from filter assembly.
Remove cap, gaskets, oring and filter from assembly.
Note position of gaskets and oring when
disassembling from filter.
2. Install new filter, gaskets, oring with filter assembly
cap.
3. Prime fuel system, refer to Priming Fuel System.
ENGINE COOLING SYSTEM (Fig. 32-33)
1. Removing Debris - Remove debris from rear
screen, oil cooler and radiator daily, clean more
frequently in dirty conditions. Use low pressure
compressed air.
IMPORTANT: Never spray water onto a hot engine or
onto electrical connections as damage may occur.
A. Turn engine off, release hood latch and raise
hood. Clean engine area thoroughly of all debris.
Close hood.
B. Unscrew knobs and remove rear screen
(Fig. 32). Clean screen thoroughly.
Figure 32
1. Rear Screen
1
C. Unscrew knobs and pivot oil cooler rearward.
Clean both sides of oil cooler and radiator area
thoroughly with low pressure compressed air.
Open hood and blow debris out toward back of
machine. Pivot oil cooler back into position and
tighten knobs.
Figure 33
1. Oil Cooler
1
Note: Upper portion of fan shroud may be easily
unbolted from machine to simplify cleaning.
D. Install rear screen and tighten knobs.
IMPORTANT: Do not use water to clean engine, as
damage may occur.
2. Maintaining Cooling System - Capacity of the
system is 3.5 gal. Always protect cooling system with a
50/50 solution of water and Peugeot recommended
anti-freeze. DO NOT USE WATER ONLY IN COOLING
SYSTEM.
A. After every 100 operating hours, tighten hose
connections. Replace any deteriorated hoses.
B. After every 2 years or 1500 hours, drain and flush
the cooling system. Add anti-freeze (refer to
Check Cooling System.
ENGINE FAN BELT (Fig. 34)
Check condition and tension of fan belt (Fig. 34)
frequently. It is recommended that belt be inspected
every 800 hours of operation.
1. Proper tension will allow 1/4 in. deflection on the
belt midway between the pulleys, when pressed firmly
with thumb.
2. If deflection exceeds 1/4 in., loosen alternator
mounting bolts. Adjust alternator belt tension by
adjusting tension screw. Check deflection of belt again
to assure tension is correct.
Figure 34
1. Fan Belt 2. Adjusting Screw
1
2
ENGINE TIMING BELT (Fig. 34)
Inspect engine timing belt every 800 hours of operation
or yearly.
1. Remove covers and check for worn, cracked or oil
soaked belt.
Note: A new belt should be installed any time belt is
removed or loosened.