Engine Maintenance; Servicing The Air Cleaner - Toro 74410 Operator's Manual

Engine Maintenance

Servicing the Air Cleaner

Service Interval/Specification
Foam element: Clean it after every 25 operating hours.
Paper element: Check it after every 50 operating hours.
Replace it after every 200 operating hours or yearly,
which ever comes first.
Inspect the foam and paper elements and replace them
if they are damaged or excessively dirty.
Note: Service the air cleaner more frequently (every
few operating hours) if the operating conditions are
extremely dusty or sandy.
Important: Do not oil the foam or paper element.
Removing the Foam and Paper
Elements
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Clean around the air cleaner to prevent dirt
from getting into the engine and causing damage
(Figure 31).
4. Unscrew the cover knob and remove the air cleaner
cover (Figure 31).
5. Remove the 2 wing nuts and remove the air cleaner
assembly (Figure 31).
6. Carefully pull the foam element off the paper
element (Figure 31).
1. Engine
2. Cover
3. Wing nut
Cleaning the Foam Air Cleaner Element
Service Interval: Every 25 hours
1. Wash the foam element in liquid soap and warm
water. When the element is clean, rinse it thoroughly.
2. Dry the element by squeezing it in a clean cloth.
Important: Replace the foam element if it is
torn or worn.
Servicing the Paper Air Cleaner
Element
Service Interval: Every 50 hours
Every 200 hours
1. Do not clean the paper filter. Replace it after 200
operating hours (Figure 31).
2. Inspect the element for tears, an oily film, or damage
to the rubber seal.
3. Replace the paper element if it is damaged.
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Figure 31
4. Foam element
5. Paper element
6. Cover knob