Change Oil Filter; Check Condition Of Belts; Check The Blade Drive System - Exmark COMMERCIAL 30 Operator's Manual

Maintenance
3. Disconnect the wire from the spark plug.
4. Drain the gasoline from the fuel tank. Refer to
Emptying the Fuel Tank and Cleaning the
Fuel Filter section.
5. Place a suitable drain pan under the dipstick/oil
drain.
6. Clean around the dipstick.
7. Remove the dipstick by rotating the cap
counterclockwise and pulling it out.
8. Raise the left side of the lawn mower to drain the
oil from the dipstick fill tube into the drain pan.
9. After draining the oil, return the lawn mower to
the operating position.
10. Fill the crankcase with fresh oil to the upper limit
mark on the dipstick. Use oil recommended in
the Check Engine Oil Level section. Do Not
overfill
11. Insert the dipstick into the filler neck and rotate
the cap clockwise until it is tight.
12. Wipe up any spilled oil.
13. Connect the wire to the spark plug.
14. Recycle the used oil according to local codes.

Change Oil Filter

Service Interval: Every 100 hours
1. Run the engine to warm the oil.
2. Stop the engine and wait for all moving parts to
stop.
3. Disconnect the wire from the spark plug.
4. Drain the engine oil.
5. Place a rag under the oil filter to catch any oil that
may leak out as you remove the filter.
6. Remove the oil filter.
7. Use your finger to coat the gasket on the new
filter with clean Exmark 4–Cycle Premium Engine
oil (see Figure 25).
1. Gasket
8. Install the new filter and hand tighten it 2/3 turn
only.
9. Fill the crankcase as stated in Check Engine Oil
Level section. Exmark 4–Cycle Premium Engine
oil is recommended. Refer to the Engine Owner's
Manual for an acceptable alternative.
10. Connect the wire to the spark plug.
11. Run the engine for about 3 minutes.
12. Stop the engine, wait for all moving parts to stop,
and check for oil leakage around the filter.
13. Add oil to compensate for the oil in the oil filter.
14. Recycle the used oil filter according to local codes.

Check Condition Of Belts

Service Interval: Every 50 hours
1. Stop engine, wait for all moving parts to stop.
2. Remove the belt cover to the lawn mower housing.
3. Check the belt for cracks, frayed edges, burn
marks or any other damage.
4. Replace the damaged belt(s).
If the blade drive belt is replaced or needs
adjustment, see Adjusting the Blade Drive Belt
in Adjustments.
Check the Blade Drive
System
Service Interval: After the first 5 hours
1. Stop the engine and wait for all moving parts to
stop.
2. Disconnect the wire from the spark plug.
26
Figure 25
Every 50 hours
g007000