Engine Maintenance; Servicing The Air Cleaner; Servicing The Engine Oil - Toro 74444 Operator's Manual

Engine Maintenance

Servicing the Air Cleaner

Note: Service the filter more frequently if operating
conditions are extremely dusty or sandy.
Removing the Filters
1. Disengage the PTO, move the motion control levers
to the neutral locked position 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. Release the latches on the air cleaner and pull the air
cleaner cover off of the air cleaner body (Figure 34).
Figure 34
1. Latches
2. Air cleaner cover
4. Clean the inside of the air cleaner cover with
compressed air.
5. Gently slide the air filter out of the air cleaner body
(Figure 34). Avoid knocking the filter into the side
of the body.
6. Inspect the air filter for damage by looking into the
filter while shining a bright light on the outside of
the filter. Holes in the filter will appear as bright
spots. If the filter is damaged discard it.
Servicing the Air Filter
Service Interval: Every 200 hours
Do not clean the filter, replace it.
Installing the Air Filter
Important: To prevent engine damage, always
operate the engine with the air filter and cover
installed.
3. Air filter body
4. Primary filter
1. If installing a new filter, check it for shipping damage.
Do not use a damaged filter.
2. Carefully slide the air filter into the body (Figure 34).
Note: Ensure that it is fully seated by pushing on
the outer rim of the filter while installing it.
Important: Do not press on the soft inside area
of the filter.
3. Install the air cleaner cover with the side indicated as
UP facing up and secure the latches (Figure 34).

Servicing the Engine Oil

Service Interval/Specification
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 below
Checking the Engine Oil Level
Service Interval: Before each use or daily
1. Park the machine on a level surface.
2. Disengage the PTO, turn the ignition key to off, and
remove the key.
3. Wait for all moving parts to stop before leaving the
operating position and then chock or block tires.
4. Clean around the oil dipstick (Figure 36) so that dirt
cannot fall into the filler hole and damage the engine.
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Figure 35