g.Verify proper throttle adjustment by check- ing RPM readings as outlined above.
C.Deck Corner Ball Wheel Roller Settings
1.Matching the set heights of the ball rollers on the four corners of the mower deck to the desired cut height will prevent edge scalping and minimize any
2.There are five height adjustment holes in the bracket that mount the ball rollers to the deck.
a.Use the top set of holes for cut heights of
b.Use the middle set of holes for a
c.Use the bottom set of holes for cut heights of 4 inches or higher.
D.Deck Center Anti-Scalp Roller
1.The front roller helps prevent the scalping of high spots and uneven terrain across the cen- ter section of the deck.
2.The roller on the front of the deck is fixed at the factory and can not be adjusted.
E.Lap Bar Adjustment
1.Proper lap bar and seat adjustment will result in the following:
a.In the neutral position with hands on the lap bars,
1.Operator’s upper arms should be relaxed and approximately vertical.
2.Operator’s forearms should be approxi- mately horizontal.
b.In the full forward position,
1.Operator’s back should stay in contact with the seat back.
2.Lap bars should not contact operator’s legs.
c.In the full reverse position,
1.Lap bars should not contact the opera- tor’s legs or torso.
2.Set the seat to the preferred operating position.
a.Adjustment lever is located under the front edge of the seat.
b.The seat has five inches of
4.Check factory settings of lap bars for the con- ditions listed above.
Note: If lap bar adjustments are required,
height adjustments should be made prior to angular adjustments.
5.To adjust the height of the lap bars,
a.Remove the nuts from the lap bar mounting bolts (see Fig. 11 ).
b.Remove the bolts and lap bar and reposi- tion to the second set of holes in the mount- ing block.
c.Replace the bolts and nuts, and tighten to
1.If angular adjustments are also required, nuts can be tightened until snug at this point.
d.The same adjustments should be made to both sides of the mower.
6.To adjust the
a.Loosen the nuts on the lap bar mounting bolts, leaving the bottom one fairly snug.
b.The top hole is slotted, allowing the lap bar to pivot on the bottom bolt.
c.Move lap bar to the desired angle and tighten the nuts to
Note: In the neutral position, the handles of
the lap bars should be aligned with approxi- mately a one inch gap between the tips. Widen the gap by adding shim washers to the top mounting bolt between the lap bar and the mounting block.
d.Check the results of any adjustments to the conditions described in section a, above. Repeat any adjustment procedures as required until all conditions are met.
Figure. 11
Lap Bar Mounting Bolt and Nuts
F.Deck leveling Procedure
1.Park the mower on a flat paved surface, engage the parking brake, shut off the engine, remove the key from the ignition switch, disconnect the spark plug wires and using the transport lever, position the mowing deck into the 4" height of cut (top) position. (The 4" height of cut position is recommended in order for one to see and obtain a measurement. Any height of cut posi- tion is acceptable as long as a proper measure- ment can be taken.)
2.Check the right and left front tire pressure. Adjust as necessary to
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