MTD 604H Lawn Mower User Manual


 
17
SECTION 6: MAINTAINING YOUR LAWN TRACTOR
Engine
Refer to the engine manual for engine maintenance instructions.
Check engine oil level before each use as instructed in the engine manual. Read and follow instructions
carefully. Refer to this manual for details about type and grade of oil.
Changing Engine Oil
1. Unscrew oil fill cap and remove dipstick from the oil fill
tube. See Figure 12.
2. Pop open the protective cap on the end of the oil drain
valve to expose the oil drain port. See Figure 12.
3. Push the oil drain hose (packed with this manual) onto
the oil drain port. Route the opposite end of the hose
into an appropriate oil collection container with a
capacity great enough to collect the used oil
(approximately 62 oz.).
4. Push the oil drain valve in slightly, then rotate
counterclockwise and pull outward to begin draining oil.
See Figure 12.
5. Service the oil filter as instructed in the engine manual.
6. Perform the above steps in the opposite order after oil
has finished draining. Refill the engine with
approximately 62 oz.(1.8 liters) of new motor oil.
Air Cleaner
Service the pre-cleaner, if so equipped, and cartridge as
instructed in the engine manual at the end of this manual.
Spark Plug
Clean the spark plug and reset its gap once a season, preferably at the start of each mowing season. Refer to the
engine manual for correct plug type and gap specifications.
Lubrication
Engine
Lubricate the engine with motor oil as instructed in the engine manual.
Pivot Points & Linkage
Lubricate all pivot points on the drive system, parking brake and lift linkage at least once a season with light oil.
Rear Wheels
Remove rear wheels from the axles once a season; lubricate the axles and rims with an all-purpose automotive
grease and re-install the wheels
Front Wheels
Each front wheel axle is equipped with a grease fitting; lubricate with a grease gun after every 25 hours of
tractor operation or at least once a season.
Cleaning The Engine & Deck
Wipe off any fuel or oil spillage on the machine promptly. Do not allow grass, leaves, and dirt to accumulate
around the cooling fins or on any other part of the machine, especially the pulleys and other moving parts.
IMPORTANT:
The use of a pressure washer or garden hose to clean your tractor is NOT recommended. It may cause
damage to electrical components, spindles, pulleys, bearings or the engine. The use of water will reduce life of the
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.
Protective Cap
Oil Drain Hose
Oil Drain Port
Oil Fill Cap
Oil Fill Tube
Oil Drain
Figure 12
Valve