Engine Maintenance; Engine Safety; Servicing The Air Cleaner - Toro 39678 Operator's Manual

Engine Maintenance

Engine Safety

•
Do not change the governor speed or overspeed
the engine.
•
Run the engine dry or remove the fuel with a hand
pump; never siphon the fuel. If you must drain the
fuel tank, do it outdoors.

Servicing the Air Cleaner

Service Interval: Every 25 hours—Clean the foam
air-cleaner element.
Every 50 hours—Check the paper air-cleaner
element.
Every 200 hours—Replace the paper air-cleaner
element.
Note:
Service the air cleaner more frequently (every
few operating hours) if the operating conditions are
extremely dusty or sandy.
Important:
Do not apply oil to the foam or paper
element.
Removing the Foam and Paper
Elements
1. Park the machine on a level surface, disengage
the PTO, and engage the parking brake.
2. Shut off the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Clean the area around the air cleaner to prevent
dirt from entering the engine and causing
damage (Figure
4. Unscrew the cover knobs and remove the
air-cleaner cover
5. Unscrew the hose clamp and remove the
air-cleaner assembly
6. Carefully pull the foam element off the paper
element (Figure 23).
23).
(Figure 23).
(Figure 23).
1. Cover
2. Hose clamp
Cleaning the Foam Air-Cleaner
Element
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
Important:
Do not clean the paper filter, replace
it (Figure 23).
1. Inspect the element for tears, an oily film, or
damage to the rubber seal.
2. Replace the paper element if it is damaged.
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 on to the paper
air-cleaner element
2. Place the air-cleaner assembly onto the air
cleaner base and secure it with the 2 wing nuts
(Figure 23).
3. Place the air-cleaner cover into position and
tighten the cover knob
27
Figure 23
3. Paper element
4. Foam element
(Figure 23).
(Figure 23).
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