Bolens 840 thru 849 - Manual (Page 17)

8. Tighten hex jam nut (A) against the ball joint.
9. Reattach the ball joint to the steering arm with hex
nut (B). Finger tighten only at this time.
10. Turn the steering wheel fully to the left and the right
to make sure that the drag link does not touch any
part of the tractor frame. If the drag link does
touch, start at step 1 and redo the adjustment.
11. Tighten hex nut (B).
12. Remove the nail used to align the steering gear.
Steering Place Nail Drag Link
Brace Av ^ ^^CjHex Jam Nut (A)
Ball Joint
Lock
Washer (C)
Paper
Align
Holes
Steering Gear
FIGURE 19.
Hex Nut (B)
Steering Arm
BRAKE ADJUSTMENT (See figure 20 )
The brake is located on the right side of the transaxle.
During normal operation of this machine, the brake is
subject to wear and will require periodic examination
and adjustment. To see if brake needs adjusting pro­
ceed as follows.
A
WARNING: Do not adjust the brake while
the engine is running. Be sure to block
the wheels of the tractor before making
the brake adjustment.
1. Set the parking brake by depressing the clutch-
brake pedal and pulling up the parking brake
knob.
2. Working on the right side of the tractor, try insert­
ing a piece of paper through the coils of the brake
spring. See figure 20.
3. If the paper can be inserted through the coils of
the brake spring, the brake is properly adjusted.
4. If the paper cannot be inserted, tighten the hex
lock nut until the paper can be inserted through
the coils.
5. Release the parking brake and place the tractor in
neutral. Depress the clutch-brake pedal and try
rolling the tractor. The tractor should not move. If
the tractor moves, repeat the above steps until
proper brake adjustment is achieved.
CARBURETOR ADJUSTMENTS
A
WARNING: If any adjustments are made to
the engine while the engine is running
(e.g. carburetor), disengage all 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 19.
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.
17