2. Place the air cleaner assembly onto the air cleaner
base and secure it with the 2 wing nuts (Figure 20).
3. Place the air cleaner cover into position and tighten
the cover knob (Figure 20).
Servicing the Engine Oil
Service Interval/Specification
Change the engine oil as follows:
• After the first 8 operating hours
• After every 100 operating hours
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 in (Figure 21).
Checking the Engine Oil Level
1. Park the machine on a level surface.
2. Disengage the PTO and set the parking brake.
3. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
4. Clean around the oil dipstick (Figure 22) so that dirt
cannot fall into the filler hole and damage the engine.
Figure 21
1. Oil dipstick
5. Unscrew the oil dipstick and wipe the end clean
(Figure 22).
6. Slide the oil dipstick fully into the filler tube, but do
not thread onto tube (Figure 22).
7. Pull the dipstick out and look at the end. If the oil
level is low, slowly pour only enough oil into the filler
tube to raise the level to the Full mark.
Important: Do not overfill the crankcase with
oil and run the engine; engine damage can
result.
Changing the Oil
1. Start the engine and let it run five minutes. This
warms the oil so it drains better.
2. Park the machine so that the drain side is slightly
lower than the opposite side to assure the oil drains
completely.
3. Disengage the PTO and set the parking brake.
4. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
5. Slide the drain hose over the oil drain valve.
6. Place a pan below the drain hose. Rotate oil drain
valve to allow oil to drain (Figure 23).
7. When oil has drained completely, close the drain
valve.
8. Remove the drain hose (Figure 23).
Note: Dispose of the used oil at a recycling center.
23
Figure 22
2. Filler tube