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Engine Maintenance
Servicing the Air Cleaner
Service Interval/Specification
Service Interval: Every 25 hours
Every 50 hours
Every 200 hours/Yearly (whichever 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 24).
4. Unscrew the cover knobs and remove the air cleaner
cover (Figure 24).
5. Unscrew the hose clamp and remove the air cleaner
assembly (Figure 24).
6. Carefully pull the foam element off the paper element
(Figure 24).
Figure 24
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
1. Do not clean the paper filter. Replace it (Figure 24).
2. Inspect the element for tears, an oily film, or damage to
the rubber seal.
3. 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 onto the paper air
cleaner element (Figure 24).
2. Place the air cleaner assembly onto the air cleaner base
and secure it with the 2 wing nuts (Figure 24).
3. Place the air cleaner cover into position and tighten
the cover knob (Figure 24).
Servicing the Engine Oil
Service Interval/Specification
Service Interval: Before each use or daily
After the first 8 hours
Every 100 hours
Every 200 hours—Change the oil filter.
Note: Change the oil more frequently when the operating
conditions are extremely dusty or sandy.
Oil Type: Detergent oil (API service SF, SG, SH, or SJ)
Crankcase Capacity: 58 ounces (1.7 liter) with the filter
removed; 51 ounces (1.5 liter) without the filter removed
Viscosity: Refer to the table (Figure 25).
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