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 three 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 2 inches or lower.
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 Settings
1.The front and rear rollers help prevent the scalping of high spots and uneven terrain across the center section of the deck.
2.The rollers on the front of the deck are fixed at the factory and can not be adjusted.
3.The rollers on the rear of the deck can be adjusted downward one inch.
a.Lowering the roller will increase the strip- ing effect left behind the mower.
b.This positioning of the rear roller will also help to filter the mulched grass clippings into the turf.
c.Roller should not be lowered if the cut height is set at
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 vertical.
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
3.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.
4.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 repostion to the seconc set of holes in the mounting 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.
5.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. Adjus- 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.
Lap Bar Mounting Bolt and Nuts
Figure. 11
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