Cleaning The Cooling System - Toro 74170 Operator's Manual

2. Paper Element
A. Lightly tap the element on a flat surface to
remove dust and dirt (Fig. 25).
B. Inspect the element for tears, an oily film,
and damage to the rubber seal.
IMPORTANT: Never clean the paper element
with pressurized air or liquids, such as
solvent, gas, or kerosene. Replace the paper
element if it is damaged or cannot be cleaned
thoroughly.
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Figure 25
1. Paper element
Installing the Foam and Paper Elements
IMPORTANT: To prevent engine damage,
always operate the engine with the complete
foam and paper air cleaner assembly
installed.
1. Carefully slide the foam element into the paper
air cleaner element (Fig. 23).
2. Place the air cleaner assembly onto the air
cleaner base and install wing nut (Fig. 23).
3. Install the air cleaner cover and latch (Fig. 23).
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2. Rubber seal

Cleaning the Cooling System

Clean the air intake screen from grass and debris
before each use.
Clean cooling fins and engine shrouds every 300
hours or yearly, which ever comes first.
1. Stop the engine, set the parking brake, remove
the key and disconnect the spark plug wire(s)
from the spark plug(s).
2. Remove air–intake screen, cylinder covers and
fan housing.
3. Clean debris and grass from parts.
4. Reinstall air–intake screen, cylinder covers and
fan housing.
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4
Figure 26
1. Air–intake Screen
2. Fan Housing
Maintenance
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3
m–4295
3. Cylinder Cover
4. Cylinder Cover
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