Removing Mower Deck - Gravely ZT1640 Owner's/Operator's Manual

NOTE: The front blade cutting height should
be 1/16 - 1/4 in. (1.59 - 6.35 mm) lower than
the rear blade cutting height (figure 12).
2. Measure from front edge of right and left
mower blades to the ground.
3. Subtract front blade cutting height
measurement from rear blade cutting
height measurement (figure 12).
4. Perform steps 5 through 7 if the front
blade cutting height is too high or too low
on either side on either side of mower
deck.
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9

REMOVING MOWER DECK

Remove (Figure 13)
1. Remove PTO belt from electric clutch
(see REPLACING PTO BELT on
page 21).
NOTE: Perform step 2 and 3 for the right and
left side of unit.
2. Remove guide arm from front mount
bracket.
3. Remove rear lift link, rear trunnion, front
lift link, and front trunnion from mower
deck and mower lift.
4. Slide mower deck out from under unit.
Install (Figure 13)
1. Slide mower deck under unit.
NOTE: Perform step 2 and 3 for the right and
left side of unit.
8
1. Mower Deck
2. Front Trunnion
3. Front Lift Link
4. Front Mount Bracket
5. Mower Lift
5. Remove front lift link and front trunnion
from mower deck and mower lift
(figure 13).
• TO RAISE the mower deck, turn front
trunnion clockwise several turns.
• TO LOWER the mower deck, turn front
trunnion counterclockwise several
turns.
6. Install front trunnion and front lift link on
mower deck and mower lift (figure 13).
7. Check mower deck pitch.
• If mower deck pitch is not correct,
repeat steps 2 through 6.
• If mower deck pitch is correct, the
adjustment is complete.
7
6
6. Guide Arm
7. PTO Belt
8. Rear Trunnion
9. Rear Lift Link
Figure 13
2. Install rear lift link, rear trunnion, front lift
link, and front trunnion on mower deck
and mower lift.
3. Install guide arm on front mount bracket.
4. Install PTO belt on electric clutch (see
REPLACING PTO BELT on page 21).
OPENING DECK ACCESS PLATE
1. Install adjustment pin in the first
adjustment hole (figure 14).
2. Remove the knob located between the
deck and the access plate (figure 14).
3. Raise deck access plate.
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