Servicing The Air Cleaner; Servicing The Engine Oil - Toro 22604 Operator's Manual

Servicing the Air Cleaner

Foam pre-filter: Clean every 25 hours.
Paper Filter: Check every 25 operating hours. Replace the
air filter every 100 hour.
Note: Service the air cleaner more frequently if operating
conditions are extremely dusty or sandy.
Removing the Filters
1. Clean around the air cleaner to prevent dirt from getting
into the engine and causing damage.
2. Unscrew the knob and remove the air cleaner cover
(Figure 17).
Figure 17
1. Knob
2. Air cleaner cover
3. Cover nut
4. Spacer
5. Cover
3. Carefully slide the foam pre-filter off of the paper
element (Figure 17).
4. Unscrew the cover nut and remove the cover, spacer and
paper filter (Figure 17).
Cleaning/Replacing the Filters
Service Interval: Clean every 25 hours
Replace every 100 hours.
Important: Replace the foam element if it is torn or worn.
1. Wash the foam pre-filter in liquid soap and warm water.
When clean, rinse it thoroughly.
2. Dry the pre-filter by squeezing it in a clean cloth (do not
wring).
3. Put one or two ounces of oil on the pre-filter (Figure 18).
Figure 18
1. Foam element
6. Foam pre-filter
7. Paper filter
8. Rubber seal
9. Air cleaner base
2. Oil
12
4. Squeeze the pre-filter to distribute the oil.
5. Lightly tap the paper filter on a flat surface to remove
dust and dirt (Figure 19).
Figure 19
1. Paper element
6. Inspect the paper filter for dirt, tears, an oily film, and
damage to the rubber seal.
Important: Never clean the paper element. Replace the
paper element if it is dirty or damaged.
Installing the Filters
Important: To prevent engine damage, always operate the
engine with the complete foam and paper air cleaner
assembly installed.
1. Carefully slide the foam pre-filter onto the paper filter
(Figure 17).
2. Place the air cleaner assembly onto the air cleaner base
(Figure 17).
3. Install the cover, spacer and secure it with the cover nut
(Figure 17). Torque the nut to 60 in-lb (6.8 N m).
4. Install the air cleaner cover and secure it with the knob
(Figure 17).

Servicing the Engine Oil

Change oil and filter after the first 50 operating hours and
then every 100 operating hours thereafter.
Note: Change oil more frequently when operating
conditions are extremely dusty or sandy.
Oil Type: Detergent oil (API service SG, SH, SJ, or
higher)
Crankcase Capacity: w/filter, 2 qt. (1.9 l)
Viscosity: See table Figure 20).
Figure 20
2. Rubber seal