Briggs & Stratton MB (18 HP) Lubrication, Engine Oil, Each USE, Dipstick Operating Range

Maintenance Instructions LUBRICATION

LUBRICATION

WARNING

DO NOT attempt to lubricate the machine with the engine running. Disengage the PTO clutch, shut off the machine, and re- move the ignition key.

Proper lubrication is an important maintenance pro- cedure. It reduces wear and makes the machine quieter and easier to operate.

Engine Oil

Engine Break-In Oil

No special break-in oil is required. The engine is ser- viced with 10W-30, Service Class SG oil from the factory. The oil should be changed after the initial engine break-in period of 5-8 hours. Thereafter, change oil after every 50 hours of operation.

Checking Engine Crankcase Oil Level

Check the engine crankcase oil level before use and after each 8 hours of continuous operation.

IMPORTANT: The importance of checking and maintaining the proper crankcase oil level cannot be overemphasized. Check the oil level BEFORE

EACH USE.

1.Park the mower on a level surface with the engine stopped. Also, make sure the engine is cool and oil has had time to drain into the sump [allow at least five (5) minutes after stopping the engine].

IMPORTANT: NEVER check or add oil with the engine running.

2.Before removing the dipstick, clean the area around the dipstick to keep any dirt or debris out of the engine.

3.Remove the dipstick, wipe off with a clean rag, then reinsert the dipstick into the tube and press all the way down.

4.Remove the dipstick again and check the oil level on the dipstick. The oil level should be within the “Operating Range” on the dipstick (between the LOW mark and the FULL mark).

IMPORTANT: DO NOT operate engine without sufficient oil supply in the crankcase. DO NOT operate with oil level below the LOW mark or above the FULL mark on the dipstick.

Operating

Range

FULL

Mark

LOW

Mark

Dipstick Operating Range

5.If additional oil is needed, refer to Specifications for proper crankcase lubricant. Fill to the FULL mark.

IMPORTANT: DO NOT overfill crankcase [oil above FULL level] as this CAN result in engine overheating, loss of power, and possible engine damage.

Changing Engine Crankcase Oil/Oil Filter

Change the engine crankcase oil after every 50 hours of operation and the oil filter after every 100 hours of operation as follows:

1.Park the mower on a level surface with the engine stopped. The engine oil should be warm before draining. If not warm from opera- tion, start the engine and run a few minutes to warm the oil.

2.Before removing the dipstick, clean the area around it to keep any dirt or debris out of the engine.

36