Cleaning The Cooling System; Engine Oil - Toro 74176 Operator's Manual

2. Paper Element
A. Lightly tap the element on a flat surface to remove
dust and dirt (Fig. 36).
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 36
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. 34).
2. Place the air cleaner assembly onto the air cleaner base
and install wing nut (Fig. 34).
3. Install the air cleaner cover and latch (Fig. 34).

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.
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2. Rubber seal
30
3. Clean debris and grass from parts.
4. Reinstall air intake screen, cylinder covers and fan
housing.
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4
Figure 37
1. Air intake screen
2. Fan housing

Engine Oil

Change oil:
After the first 8 operating hours.
After every 100 operating hours.
Note: Change oil more frequently when operating
conditions are extremely dusty or sandy.
Oil Type: Detergent oil (API service SG or SH)
Crankcase Capacity: w/filter, 1.9 qt. (1.8 l)
Viscosity: See table below
USE THESE SAE VISCOSITY OILS
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m–4295
3. Cylinder cover
4. Cylinder cover