MTD 795, 792, 791, 790 Lawn Mower User Manual


 
22
SECTION 7: MAINTAINING YOUR LAWN TRACTOR
WARNING:
Before performing any
maintenance or repairs, disengage PTO,
move shift lever into neutral position, set
parking brake, stop engine and remove key to
prevent unintended starting.
Engine
Refer to the engine manufacturer’s Operator/Owner
Manual for engine maintenance instructions.
Check engine oil level before each use as instructed in
the engine manufacturer’s Operator/Owner Manual
packed with your unit. Follow the instructions
carefully.
Changing Engine Oil
NOTE:
Depending on the engine model found on your
tractor, it may be necessary to remove the tractor’s side
panel in order to replace the oil filter (if so equipped).
Changing Engine Oil
For draining oil from the engine’s crankcase of select
model tractors, a plastic oil drain sleeve is packed with
this Operator’s Manual. To drain the oil, proceed as
follows:
Unscrew the oil fill cap and remove the dipstick
from the oil fill tube.
Snap the small end of oil drain sleeve onto the oil
sump. See Figure 20.
Figure 20
Remove drain plug and drain oil into a suitable
container with a capacity of no less than 64 oz.
•Service the oil filter (if so equipped) as instructed
in the separate engine manufacturer’s Operator/
Owner Manual packed with your unit.
Perform the above steps in the opposite order after oil
has finished draining.
Refill the engine with new motor oil.
IMPORTANT:
Refer to the engine manufacturer’s
Operator/Owner Manual packed with your unit for
information regarding the quantity and proper weight of
motor oil.
Air Cleaner
Service the pre-cleaner, if so equipped, and cartridge/
air cleaner element as instructed in the engine
manufacturer’s Operator/Owner Manual packed with
your unit.
Spark Plug(s)
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.
Refer to the engine manufacturer’s Operator/Owner
Manual for correct plug type and gap specifications.
Lubrication
WARNING:
Before lubricating, repairing, or
inspecting, always disengage PTO, move
shift lever into neutral position, set parking
brake, stop engine and remove key to prevent
unintended starting.
Engine
Lubricate the engine with motor oil as instructed in the
engine manufacturer’s Owner Manual packed with your
unit.
Pivot Points & Linkage
Lubricate all the pivot points on the drive system,
parking brake and lift linkage at least once a season
with light oil.
Rear Wheels
The rear wheels should be removed from the axles
once a season. Lubricate the axles and the rims well
with an all-purpose grease before re-installing them.
Front Axles
Each end of the tractor’s front pivot bar may be
equipped with a grease fitting. Lubricate with a grease
gun after every 25 hours of tractor operation.
Oil Drain Sleeve