Cleaning The Cooling System; Servicing The Air Cleaner - Toro 74401 Operator's Manual

Cleaning the Cooling System

Clean the air intake screen from grass and debris before
each use.
Clean the cooling fins and engine shrouds every 300 hours
or yearly, whichever comes first.
1. Disengage the PTO, set the parking brake, stop the
engine, and remove the key.
2. Remove the air intake screen, cylinder covers, and fan
housing.
3. Clean debris and grass from the parts.
4. Install the air intake screen, cylinder covers, and fan
housing.
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4
Figure 19
1. Air intake screen
2. Fan housing

Servicing the Air Cleaner

Foam Element: Clean and oil after every 25 operating
hours.
Paper Element: Clean after every 100 operating hours.
Replace after every 200 operating hours or yearly,
whichever comes first.
Note: Service the air cleaner more frequently (every few
hours) if operating conditions are extremely dusty or sandy.
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3
m–4295
3. Cylinder cover
4. Cylinder cover
24
Removing the Foam and Paper Elements
1. Disengage the PTO, set the parking brake, stop the
engine, and remove the key.
2. Clean around the air cleaner to prevent dirt from getting
into the engine and causing damage. Unlatch the two
side latches and remove the air cleaner cover (Fig. 20).
3. Carefully remove the foam element from the paper
element (Fig. 20).
4. Unscrew the wing nut and remove the paper element
(Fig. 20).
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4
1
Figure 20
1. Cover
2. Foam element
3. Paper element
Cleaning the Foam and Paper Elements
1. Foam Element
A. Wash the foam element in liquid soap and warm
water. When the element is clean, rinse it
thoroughly.
B. Dry the element by squeezing it in a clean cloth (do
not wring). Allow the element to air dry.
C. Soak the element in new engine oil. (Fig. 21).
Squeeze the element to remove excess oil.
Important Replace the foam element if it is torn or
worn.
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6
4. Wing nut
5. Air cleaner base
6. Latches