Section 6: Maintaining Your Lawntractor; Troubleshooting - MTD Series 660 Operator's Manual

"_ Steering
Gears
Figure 19
Linkage
Once a season lubricate all the pivot points on the
clutch, brake and lift linkage with SAE 30 engine oil.
Wheels
The front wheels may be provided with optional grease
fittings. The rear wheels must be removed from the axle
for lubrication. Lubricate at least once a season with
automotive multi-purpose grease.
Pivot Points
Lubricate all pivot points with light oil at least once a
season.
Ball Joints
The ball joints and drag link ends are permanently
lubricated.
SECTION 6: MAINTAINING YOUR LAWNTRACTOR
,i_ WARNING:
Disconnect the spark plug wire
and ground against the engine before
performing any adjustments, repairs or
maintenance.
Trouble Shooting
Refer to the trouble shooting chart for engine problems.
Engine
Refer to the separate engine manual for engine
maintenance instructions.
Service air cleaner every 10 hours under normal
conditions. Clean every few hours under extremely
dusty conditions. To service the air cleaner, refer to the
separate engine manual packed with your unit.
The spark plug(s) should be cleaned and the gap reset
once a season. Spark plug replacement is
recommended at the start of each mowing season;
check engine manual for correct plug type and gap
specifications.
Maintain engine oil as instructed in the separate
engine manual packed with your unit. Read and follow
instructions carefully.
Oil Drain Sleeve
(If Equipped)
Your lawn tractor has a plastic oil drain sleeve packed
with the loose parts for your convenience in draining oil
from the crankcase. To drain the oil, snap small end of
oil drain sleeve onto oil sump. See Figure 20. Remove
drain plug and drain oil into a suitable container.
Oil
Oil Drain
Sleeve
Figure 20
Oil Drain Valve
(If Equipped)
Your lawn tractor may have a valve installed on the
engine for draining oil from the crankcase. See Figure
21. To drain the oil, insert the 12" hose (shipped loose
with your unit) over the end of the valve. Place the other
end in a suitable container. Push in black cap, rotate
counterclockwise and pull valve open. When oil is
completely drained, push top of valve in and rotate
clockwise to close.
19