Gravely ZT1640 Owner's/Operator's Manual page 15

2
1. Hood Clip
2. Hood Tipped Open
Figure 10
LEVELLING AND ADJUSTING
PITCH OF MOWER DECK
Adjust on a level surface, with the tires
inflated to the correct air pressure (see
SPECIFICATIONS on page 26).
Level Mower Deck
1. Install adjustment pin in the fourth
adjustment hole (figure 11).
2
1. Adjustment Pin
Figure 11
2. Rotate the right and left mower blades
until the ends of both mower blades are
facing rearward (figure 12).
1
OE0140
1
2. Mower Lift
Pedal
OE0060
GB - 15
NOTE: The rear blade cutting height should
be 2-7/8 to 3 in. (7.3 to 7.6 cm) from rear
edge of mower blades to the ground on both
blades (figure 12).
IMPORTANT: The distance from rear edge of
mower blades to the ground MUST NOT
exceed 3 in. (7.6 cm) (figure 12).
Mower Deck Shown
From The Side
6
1. Mower Deck
2. Mower Blade
3. Front of Mower
Deck
Figure 12
3. Measure from rear edge of mower
blades to the ground (figure 12).
4. Perform steps 5 through 7 if the
measurement is too high or too low on
either side of mower deck.
5. Remove rear lift link and rear trunnion
from mower deck and mower lift
(figure 13).
• TO RAISE the mower deck, turn rear
trunnion clockwise several turns.
• TO LOWER the mower deck, turn rear
trunnion counterclockwise several
turns.
6. Install rear trunnion and rear lift link on
mower deck and mower lift (figure 13).
7. Check that the mower deck is level:
a. Rotate right and left mower blades to
face side-to-side.
b. Measure outer edge of mower blades
to ground. Measurement must be
within 1/4 inch (6.35 mm).
• If mower deck is not level, repeat steps
5 and 6.
• If mower deck is level, record the
distance from rear edge of mower
blades to the ground and then adjust
pitch of mower deck.
Adjust Pitch of Mower Deck
IMPORTANT: The mower blade end used to
level the mower deck must be used to adjust
the pitch of the mower deck.
1. Rotate the right and left mower blades
180 degrees until the end of the mower
blade that was used to level the mower
deck is facing forward (figure 12).
1
2
5
4. Front Blade
Cutting Height
5. Ground
6. Rear Blade
Cutting Height
OE0010
3
4