Yard Machines 30 User Manual

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Minimum tilling width is 10 inches. For that, you will 
have to remove both sets of outer tines. Remove 
these tines by removing the two self-tapping screws 
on the outside of the tines. See Figure 5.
When laying out plant rows, be sure to allow 
enough width to permit cultivation between the 
rows. See Figure 6.
Figure 6 
Other Uses
1.
Your tiller can be used for preparation of lawn area 
for seeding. The tiller will prepare an evenly deep 
seed bed, hence allowing better lawn growth. 
2.
Your tiller may be used for loosening hard soil for 
excavation with a  shovel. In this case, no tedious 
hand work will be necessary. 
3.
Your tiller may be used for mixing compost in the 
pile, or for mixing it with the soil in your garden. This 
should be done after the soil has been broken to 
the full working depth.  
Stopping Engine
Move throttle control lever to STOP or OFF 
position. Disconnect spark plug wire from spark 
plug and ground against the engine.
SECTION 5:  MAKING ADJUSTMENTS
WARNING: 
Do not at any time make any
adjustments without first stopping the engine
and disconnecting the spark plug wire.
Carburetor 
WARNING: 
If any adjustments are made to
the engine while the engine is running (e.g.
carburetor), keep clear of all moving parts. Be
careful of heated surfaces and muffler.
Minor carburetor adjustments may be required to 
compensate for differences in fuel, temperature, 
altitude and load. To adjust carburetor, refer to the 
separate engine manual packed with your mower.
NOTE:  A dirty air cleaner will cause an engine to run
rough. Be certain air cleaner is clean and attached to
the carburetor before adjusting carburetor.
Tine Clutch Control
Periodic adjustment of the belt tension may be required 
due to normal stretch and wear on the belt. 
To adjust, loosen top nut at the cable bracket 
slightly to take up some slack in the cable wire. 
Retighten the bottom nut against the bracket and 
check adjustment again.
Tine Width 
The tilling width of the unit is 18 inches, but can be 
reduced to 14 inches. Refer to page 7 for instructions.
Depth Stake   
The depth stake acts as a brake for the tiller and 
controls the depth and speed at which the machine will 
operate. 
Remove clevis pin and hairpin clip to raise or lower 
depth stake. See Figure 7.
a. When the depth stake is lower, forward 
speed of the machine is reduced, and the 
working depth increased. See Figure 7.
b. When the depth stake is raised, the forward 
speed is increased and the working depth of 
the machine is reduced. See Figure 7. 
The working depth of the machine may be 
predetermined by setting the depth stake and 
wheels. The wheels are about four inches from the 
ground when the tines and depth stake are resting 
on the ground. This setting will permit a working 
depth of about four inches. 
Figure 7
Depth
Stake
Deep Tilling
Shallow Tilling