Bolens 134-585A - Manual (Page 13)

Maintenance
Tighten the adjusting nuts equally
on both sides. Tighten until the
chain has V4 inch slack between
the sprockets.
Figure 21
Blade Replacement
Remove the retainer nut and lock-
washer. Pull the blade from the
motor shaft. (See figure 22.)
Figure 22
When grinding or filing the blade,
remove equal amounts of metal
from both edges to keep the blade
in balance.
Figure 23
Brake Adjustment
To adjust the brake on your rider,
follow these steps:
1 Depress the brake pedal and lift
the brake lock so the pedal
stays in the depressed position.
2 Place the clutch loc
START position.
3 Try to push the rider. If the rider
can be moved, tighten the
brake adjustment nut as shown
in figure 23.
Note: It is not necessary to tip the
rider up on end as shown in the
photograph. The adjusting nut can
be reached with the rider in the
normal operating position.
4 Tighten the adjustment nut one
turn and test the rider. Repeat
if necessary.
Chain Adjustment
To tighten the chain, loosen the
two locknuts on each side of the
rear axle. (See figure 24.)
Figure 24
The adjusting nuts can be tightened
individually to align the rear axle
if necessary.
Tighten the four locknuts after the
adjustment is made.
Wheel Alignment
The caster (forward slant of the
king pin) and the camber (tilt of the
wheels out at the top) requires
no adjustment. Automotive steering
principles have been used to de­
termine the caster and camber on
the rider. The front wheels should
toe-in
Ys inch. See figure 25.)
To adjust follow these steps;
II Remove the elastic locknut and
drop the tie rod end from the
steering arm. (See figure 25.)
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