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MTD 790 series User Manual

MTD 790 series
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Battery Failures
Some common causes for battery failure are:
Incorrect initial activation
Overcharging
Freezing
Undercharging
Corroded connections
These failures are NOT covered by your tractor’s warranty.
Cleaning the Engine And Deck
Any fuel or oil spilled on the machine should be wiped off
promptly. Do NOT allow debris to accumulate around the cooling
fins of the engine or on any other part of the machine.
IMPORTANT: The use of a pressure washer to clean your
tractor is NOT recommended. It may cause damage to electrical
components, spindles, pulleys, bearings or the engine.
On tractor models that do not come equipped with a deck wash
port already insalled, a hex plug can be found on your tractor’s deck
surface. See Fig. 6-3. This plug can be replaced with a water port
to be used as part of a separately-available deck wash system.
The Deck Wash System™ is used to rinse grass clippings from the
deck’s underside and prevent the buildup of corrosive chemicals.
NOTE: Refer to the Attachments & Accessories section of this
manual for information regarding this and other separately-
available attachments & accessories for your tractor.
Deck Wash System
If your tractors deck is equipped with a water port on its surface
as part of its Deck Wash System™, follow these instructions to
utilize this feature.
Use the Deck Wash System™ to rinse grass clippings from the
deck’s underside and prevent the buildup of corrosive chemicals.
Complete the following steps AFTER EACH MOWING:
Drive the tractor to a level, clear spot on your lawn, near 1.
enough for your garden hose to reach.
CAUTION: Make certain the tractors discharge
chute is directed AWAY from your house, garage,
parked cars, etc.
Disengage the PTO 2. (Blade Engage), set the parking brake
and stop the engine.
Thread the hose coupler 3. (packaged with your tractors
Operator’s Manual) onto the end of your garden hose.
Attach the hose coupler to the water port on the deck’s 4.
surface. See Fig. 6-4.
Turn the water on.5.
While sitting in the operator’s position on the tractor, start 6.
the engine and place the throttle lever in the FAST (rabbit)
position.
Move the tractors PTO 7. (Blade Engage) into the ON position.
Remain in the operator’s position with the cutting deck 8.
engaged for a minimum of two minutes, allowing the
underside of the cutting deck to thoroughly rinse.
Move the tractors PTO 9. (Blade Engage) into the OFF position.
Turn the ignition key to the STOP position to turn the 10.
tractor’s engine off.
Turn the water off and detach the hose coupler from the 11.
water port on your deck’s surface.
On 46” decks, repeat steps 4 through 11 on the opposite 12.
side of the cutting deck as well.
IMPORTANT: After cleaning your deck with the Deck Wash
System™ , return to the operator’s position and engage the PTO.
Keep the cutting deck running for a minimum of two minutes,
allowing the underside of the cutting deck to thoroughly dry.
Figure 6-4
Hex Plug
Figure 6-3
21se c t i O n 6 — Ma i n t e n a n c e & ad j u s t M e n t s

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MTD 790 series Specifications

General IconGeneral
Engine Displacement190 cc
Drive SystemRear-wheel drive
Deck MaterialSteel
Starter TypeRecoil
Mulching CapabilityYes
Bagging CapabilityYes
Side Discharge CapabilityYes
Wheel Size8 inches (rear)

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