Gravely 927062-1232 - Manual (Page 16)

GB - 16
Adjusting Mower Deck Pitch
NOTE: The front blade cutting height (item 4)
should be 1/16 – 3/8 in. (1.59 – 9.53 mm)
lower than the rear blade cutting height
(item 6) (figure 12).
1. With the end of the mower blade(s) facing
forward, measure distance from bottom of
mower blade(s) to the ground at front of
mower deck.
2. Turn mower blade(s) 180 degrees and
measure distance from bottom of mower
blade(s) to the ground at rear of mower
deck.
3. Perform steps 4 through 6 if the
measurement is too high or too low.
NOTE: Perform steps 4 through 6 for 28- and
32-inch mower decks. Go to step 7 for 40-inch
mower decks.
4. Remove front trunnion (item 1) and front
lift link (item 2) from unit (figure 13).
• TO RAISE front of mower deck, turn
front trunnion (item 1) clockwise several
turns.
• TO LOWER front of mower deck, turn
front trunnion (item 1) counterclockwise
several turns.
5. Install front trunnion (item 1) and front lift
link (item 2) on unit.
6. Check mower deck pitch.
• If mower blade pitch is not correct, go to
step 7.
• If mower deck pitch is correct, the
adjustment is complete.
7. Adjust deck lift rod (item 2) (figure 14):
a. Remove trunnion (item 1) from unit.
b. TO RAISE front of mower deck, turn
trunnion (item 1) counterclockwise
several turns.
c. TO LOWER front of mower deck, turn
trunnion (item 1) clockwise several
turns.
d. Install trunnion (item 1) on unit.
8. Check mower deck pitch.
• If mower blade pitch is not correct,
repeat steps 4 through 6.
• If mower deck pitch is correct, the
adjustment is complete.
1
Figure 11
1. Rear Lift Link
2. Rear Trunnion
2
OE0033
Figure 12 OA0010
Mower Deck Shown From The Side
1. Mower Deck
2. Mower Blade(s)
3. Front of Mower
Deck
4. Front Blade
Cutting Height
5. Ground
6. Rear Blade
Cutting Height
1
5
2
4 6
3
Figure 13
2
1
1. Front Trunnion
2. Front Lift Link
OE0034