John Deere BG21259 S110 42-in 19-HP Gas Riding Lawn Mower

Operating Manual - Page 19

For BG21259.

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APY36154—UN—10JUL20
42 in (107 cm) Mower Deck is Shown.
If the front of the mower deck is not lightly touching the front
block, adjust the front draft arm by turning the nut (C).
8. Raise the cutting height to the next highest position and remove the
three wooden blocks.
9. Turn the nut (C) on the front draft arm counterclockwise 1-2 full
turns so that the front of the deck is 3-6 mm (1/8-1/4 in) lower than
the rear. This adjustment prevents “double cutting,” which wastes
horsepower and causes brown grass tips.
Specication
Mower Deck, Front-to-Back—Height. . . . . . . . . . . . . . . . . . . . . . . . . . . 1/8-1/4 in (3-6 mm)
Method Two
NOTE: An optional mower deck leveling gauge (AM130907) is
available from your John Deere dealer. It allows for precision
mower deck leveling by measuring mower deck level at the
blade tips.
1. Make sure that machine is on a at, level surface.
2. Park machine safely. (See Parking Safely in the Safety section.)
3. Inate tires to the correct pressure.
4. Move mower lift handle to preferred cutting height.
5. Measure mower deck level (side-to-side).
GXAL41983—UN—04MAR13
A convenient Leveling Gauge (A) (AM130907) is available from your Dealer
a. Position mower blades as follows and measure from each
outside blade tip (B) to the level surface.
GXAL41984—UN—04MAR13
Two Blade Deck is Shown.
APY08950—UN—17JUL18
Three Blade Deck is Shown.
b. Turn left blade (C) as shown. Hold drive belt and turn right
blade (D) as shown. Take measurement for both blades.
The di󰀨erence between blade measurements must not be
more than specied distance.
Specication
Mower Deck Blade Outside Tips to Ground
(Di󰀨erence)—Distance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1/8 in (3 mm)
APY36155—UN—24JUL20
Operating
19
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