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8
Figure 7
damaged in any way. Also, replace element if there is
any evidence of dirt on the inside surface of the
element.
DO NOT wash dry elements in any liquid or attempt to
blow dirt off with air hose as this will puncture the filter
element.
Handle new element carefully - do not use if the gasket
surfaces are bent, twisted, or damaged in any way.
Use only genuine Gravely elements. Use of other
elements will void warranty. Not only must the proper
element be used but it must be properly installed to
prevent unfiltered air from entering the engine.
Install the air cleaner assembly in this sequence on the
air cleaner mounting bracket:
1. Rubber gasket
2. Air cleaner mounting base
3. Element
4. Air cleaner cover
5. Rubber sealing washer
6. Flatwasher
7. Wing Nut
Be sure the element gasket surfaces fit tightly on the base
and cover. The wing nut should be finger tight.
Fuel
- Use a good grade of regular gas. Premium grade
should not be used. Fuel tank capacity is
approximately 1 3/4 gallons (6.63 L.).
It is good practice to periodically clean the tractor. Dirt
accumulation on tractor allows heat buildup.
Troubleshooting
Fuel Troubles
-
Check to see if:
….Fuel tank contains fuel
….Vent hole in fuel tank cap is open
….Fuel shut off valve is open. (Turn counterclockwise to
open)
….Fuel line is clear. Close shutoff valve. Remove fuel line
from carburetor, and reopen valve. If fuel flows, the
line is clear; if not, check the fuel hose and fittings,
and strainer in fuel tank .
….Carburetor is getting fuel. With the fuel line intact, close
the shut-off valve. Drain any fuel remaining in the
carburetor by removing the plug from the bottom of
the carburetor. Open the shutoff valve. If fuel does
not flow out of the carburetor there is a restriction in
the carburetor. See service manual or call your
dealer.
Figure 6
Ignition Troubles
- Check to see if:
….Hood itching the plug. Raise the hood and attempt to
start the engine .
….Spark plug is fouled or wet. Remove the plug and
clean, dry, or replace it. Correct gap to .025 inch (.635
mm).
….Engine is getting a spark from the magneto. Remove
the magneto from the spark plug and crank the
engine by hand, holding the cable end so that the
spark can jump to the cylinder head. If there is no
spark when the magneto is heard to click, or a weak
spark (less than 3/16 inch or (4.76mm). Check the
connections. If these are all right, the magneto is
defective .
….Ignition stop button is shorted out. To test, remove
the
ground wire from the magneto stop button and
attempt to start the engine. See service manual or call
your dealer. (See 5, figure 7.)
Carburetor and Air Cleaner Trouble
- A flooded
carburetor or a clogged air cleaner may keep the
engine from starting.
If gas is dripping from the carburetor, it is flooded. Wait
10 to 15 minutes before further attempting to start the
engine.
Check air cleaner element; if dirty, clean or replace (See
Air Intake S
y
stem
)
Adjustments
Following are common adjustments which most users can
readily perform:
Spark Plug
- The spark plug should have its gap set at .
inch (.635 mm.).
Clutch Rods
-
To adjust clutches, tighten the locknuts, 1
and 2 in Figure 7, until the clutch rod springs are
compressed fully as each lever goes over center in the
fully engaged position, either high or low gear or
forward or reverse.
Range Selection Linkage
-The toggle spring (locate y
the range ever occasionally may require adjustment by
tightening the hex nuts on the toggle rod until the spring
is compressed to 15/16 inch (23.81 mm). Figure 3 and
4. To adjust springs, (3 and 4 in Figure 7), have the
range selection lever engaged fully in high or low
range, move the hex nuts (1 and 2 in Figure 7) on the
spring rod until each spring is compressed 2 1/2 inches
(63.5 mm).
Carburetor
- If absolutely necessary to adjust the
carburetor
,
follow these instructions: