MTD 770 series Operator's Manual page 12

If gasoline is spilled, wipe it off the engine and equipment.
Move machine to another area. Wait 5 minutes before
starting the engine.
ToAddGasoline
1.
Turn the engine off and let engine cool at least 2 minutes
before removing the fuel cap. The gasoline tank is located
under the hood. Remove the fuel cap by turning it
counterclockwise.
2. Fill the fuel tank with gasoline. Use only clean, fresh (no
more than 30 days old), unleaded gasoline. Fill tank to no
more than 1/2 inch below bottom of filler neck to allow
space for fuel expansion. See Figure 3-8.
3. Reinstall the fuel cap.
IMPORTANT:
Do not overfill the tank. Fill tank to no more
than 1/2 inch below bottom of filler neck to allow space for fuel
expansion. See Figure 3-8.
Figure 3-8
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Setting the DeckGaugeWheels (ifsoequipped)
Move the tractor on a firm and level surface, preferably
pavement, and proceed as follows
1. Select the height position of the cutting deck by placing
the deck lift lever in the normally desired mowing height
setting (any of the six different cutting height notches on the
righ t fender).
2. Check the gauge wheels for contact or excessive clearance
with the surface below. The deck gauge wheels should
have between 1/4-inch and 1/2-inch clearance above the
ground as follows:
If the gauge wheels have excessive clearance or contact with the
surface, adjust as follows:
a. Raise the deck lift handle to its highest setting.
b. Remove the gauge wheels by removing the lock
nuts and shoulder screws which secure them to the
deck. See Figure 3-9.
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Figure 3-9
c. Place the deck lift lever in the desired mowing
height setting.
d. Reinsert the shoulder screw (with each gauge
wheel) into the index hole that leaves approximately
1/2-inch between the bottom of the wheel and the
pavement.
Refer to Leveling the Deck in the Maintenance section of this
manual for more detailed instructions regarding various deck
adjustments.
12 [ SECTION 3-- ASSEMBLY & SET- U P