White ROTO BOSS 500 Owner's Manual page 8

The U.S. Department of Agriculture and various state
and local agencies offer published booklets and
expert advice on all phases of gardening. They should
be consulted regarding soil information, planting
dates, and the most satisfactory varieties of crop for
your particular area.
ADJUSTMENTS
A
WARNING: Disconnect the spark plug
wire and ground against the engine
before performing any adjustments,
repairs, or maintenance.
WHEEL ADJUSTMENTS
To adjust the wheel yoke and wheel position, refer to
"How To Use Your Tiller," on page 6.
DEPTH STAKE ADJUSTMENT
To adjust the depth stake, refer to "How To Use Your
Tiller" on page 6.
TINE WIDTH ADJUSTMENT
The tilling width of the unit is 22 inches. See figure 12.
Tilling width can be increased to 24 inches by remov¬
ing the clevis pins and hairpin clips, sliding the outer
tines out one inch, and securing in this position with
the clevis pins and hairpin clips. See figure 13. For
cultivation, reduce the tine width to 14 inches by
removing the outer tines completely. See figure 14.
FIGURE 14.
CLUTCH CONTROL ADJUSTMENT
To adjust the clutch control, refer to the "Final Clutch
Adjustment" section of assembly instructions.
CARBURETOR ADJUSTMENT
WARNING: If any adjustments are made
to the engine while the engine is running
(e.g. carburetor), disengage all clutches
and tines. Keep clear of all moving parts.
Be careful of heated surfaces and muf¬
fler.
Minor carburetor adjustment may be required to
compensate for differences in fuel, temperature,
altitude or load. If adjustments are needed, refer
to the engine manual packed with the tiller.
NOTE: A dirty air cleaner will cause engine to run
rough. Be certain air cleaner is clean and attached to
the carburetor before adjusting carburetor. Do not
make unnecessary adjustments. Factory settings are
satisfactory for most applications and conditions.
LUBRICATION
A
WARNING: Always stop engine and dis¬
connect spark plug wire before cleaning,
lubricating or doing any kind of work on
tiiler.
Pivot Points—Remove the belt cover and lubricate
all moving parts and pivot points at least once a sea¬
son using SAE 30 engine oil.
Chain Drive—The chain case is pre-lubricated and
sealed at the factory. It requires no checking.
8