Ariens 992807-ProZoom 60 Owner's/Operator's Manual page 32

7.Install the wheel assembly using t he bolt
and lock n ut r emoved instep 3.
Servicing the Caster Pivot Bearings
1. Park the unit on a level surface, put the
steering control levers in the park
position, turn off the engine and remove
the key.
2. Raise the front of the power unit and
support it with jack stands.
3. Remove the cap (2), the 3/4" Iocknut
(24), the three 3/4" belleville washers
(15), and the front wheel weldment (9),
see figure 20.
NOTE: It is not necessary to remove the
bearing cup unless the bearings need to be
replaced.
4. Remove the lower seal (6) and the lower
bearing (5).
5. Remove the upper bearing (5).
6. Clean and inspect the bearings and
pack with clean grease. Replace the
bearings if needed.
7. Reinstall the lower bearing and a new
seal.
8. Reinstall the upper bearing.
9. Reinstall belleville washers opposite of
each other to allow them to compress.
Tighten nut until all the washers are flat.
Then back off 1/2 turn to properly
preload bearings.
10. Apply grease to the grease fitting until
grease appears at the top bearing.
Reinstall the cap.
Figure 20
LIFT ASSIST SPRING
CAUTION: The lift assist spring
_IL can be under extreme pressure.
Use extreme caution when
adjusting or replacing this spring.
The deck lift assist spring is installed to help
maximize deck performance and minimize
driver fatigue.
To adjust the lift assist spring, lower the
mower deck to the lowest position. Adjust the
spring by torquing the nut until the deck
begins to raise off of the ground and then
back the nut off one turn.
NEUTRAL ADJUSTMENT
Before making any adjustments, be sure to
check the tire air pressure. Incorrect air
pressure can cause the unit to pull to one
side. The correct air pressure is 20 p.s.i, in
the front wheels and 12 p.s.i, in the rear.
1. Stop the engine and remove the ignition
key.
2. Tilt the seat forward.
3. Move the control lever rearward and
release the control lever. This control
lever should return to a position where
the control lever can be swung outward
and lock in the neutral outward position.
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