MTD YARD-MAN 844 Series Owner's Manual page 18

Steering
Brace
Place Nail Here Drag Link
Hex Jam Nut
(A)
Ball Joint
Loc<
Was her (C)
Alignment
Holes
Steering Gear
Hex N jt (B)
Steering Arm
FIGURE 20.
BRAKE ADJUSTMENT
(See figure 21)
The brake is located on the right side of the tr ansaxle.
During normal operation of this machine, the brake is
subject to wear and will require periodic exa nination
and adjustment. To see if brake needs adjus :ing pro¬
ceed as follows.
A
WARNING: Do not adjust the brake while
the engine is running. Be sure t> block
the wheels of the tractor before making
the brake adjustment.
1. Set the parking brake by depressing th; clutch-
brake pedal and pulling up the parkirg brake
knob.
2. Working on the right side of the tractor, t y insert¬
ing a piece of paper through the coils of 1 ie brake
spring. See figure 21.
3. If the paper can be inserted through th< > coils of
the brake spring, the brake is properly ad usted.
4.
If the paper
cannot
be inserted, tighter the hex
lock nut until the paper can be insertec through
the coils.
5. Release the parking brake and place the tractor in
neutral. Depress the clutch-brake peda and try
rolling the tractor. The tractor should no move. If
the tractor moves, repeat the above s eps until
proper brake adjustment is achieved.
F aper
1
CARBURETOR ADJUSTMENTS
A
WARNING: If any adjustments are made to
the engine while the engine is running
(e.g. carburetor), disengage ail clutches
and blades. 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.
Refer to separate engine manual
for carburetor adjustment information.
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.
LUBRICATION
A
WARNING: Always stop engine and dis¬
connect spark plug wire(s) before clean¬
ing, lubricating or doing any kind of work
on lawn tractor.
STEERING GEARS
Lubricate teeth of steering gears with automotive
multi-purpose grease after every 25 hours of operation
or once a season. Refer to figure 20.
STEERING SHAFT
Lubricate steering shaft at least once a season with
light oil.
TRANSAXLE
The transaxle is lubricated and sealed at the factory
and does not require checking. If disassembled for any
reason, lubricate with 32 oz. of Shell Darina grease,
part number 737-0148 (16 oz. tube).
LINKAGE
Once a season lubricate all the pivot points on the
clutch, brake and lift linkage with SAE 30 engine oil.
WHEELS
The front wheels may be provided with grease fittings.
Lubricate at least once a season with automotive
multi-purpose grease.
PIVOT POINTS
Lubricate all pivot points with light oil at least once a
season.
BALL JOINTS
The ball joints and drag link ends are permanently
lubricated.
BLADE SPINDLES
The blade spindles on the cutting deck are perma¬
nently lubricated.
18