Walker S18 User Manual

Maintenance Instructions LUBRICATION
50
Changing Engine Crankcase Oil/Oil Filter
Change the engine crankcase oil and lter after ev-
ery 100 hours of operation as follows:
1. Park the mower on a level surface with the
en gine 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 the dipstick to keep any dirt or debris out
of the en gine.
3. Remove the dipstick and the oil drain plug and
drain the oil into a suitable container. Be sure
to allow ample time for complete drainage.
Oil Drain
Oil Drain Location
(View from Lower Left Side of Tractor)
Oil Fill
Dipstick
Dipstick and Oil Fill Locations
(View from Above the Right Side of Tractor)
4. Before removing the oil lter, clean the area
around the lter to keep dirt and debris out of
the engine.
5. Remove the old oil lter and wipe o󰀨 the lter
mounting surface on the engine.
6. Apply a thin coating of clean oil to the rubber
gasket on the replacement oil lter.
IMPORTANT: Use ONLY oil lters from the
en gine manufacturer (Briggs & Stratton
P/N 842921). After market oil lters may not seal
properly and/or may not have the correct pres-
sure relief valve for proper lubrication.
7. Install the new oil lter on the engine. Turn the
lter clockwise until the rubber gasket contacts
the sealing surface, then tighten an additional
1/2 to 3/4 turn.
8. Reinstall the oil drain plug. Make sure it is tight-
ened to 10 lb
·ft (14 N·m).
9. Remove the ll cap on the engine valve cover,
and ll the crankcase with new, clean oil. Use
only crankcase lubricants recommended by the
en gine manufacturer. Refer to Specications in
this manual or the engine owner’s manual. Use
the recommended oil viscosity for the expected
ambient temperature. Oil with the correct vis-
cosity will aid starting in cold weather and as-
sure proper lubrication in hot weather. Fill to
FULL mark on the dipstick; crankcase capacity
is 1.5 quarts (1.4 liters) when changing oil and
lter.
IMPORTANT: Check the dipstick reading be-
fore adding the last 1/2 pint of oil and ll only to
the FULL mark. The oil level should never be
over the FULL mark on the dipstick; overlling
CAN result in engine overheating and loss of
power, and possible engine damage.

Walker S18 Specifications

General

Drive System	Hydrostatic
Cutting Height	1.5 - 4.5 inches
Engine	Kohler
Cutting Width	48 inches
Transmission	Hydrostatic