Gravely Pro-Master 252 Owner's/Operator's Manual page 25

For a very low cutting height, set the anti-
scalp rollers in the highest position on the
bracket.
NOTE: There are four anti-scalp rollers on
the outside of the mower deck and two anti-
scalp rollers on the inside of the mower deck.
Make sure all anti-scalp rollers are set at the
same height.
Lowest
Cutting
Height
Highest
Cutting
Height
Figure 13
MOWER LIFT FORCE
ADJUSTMENT (992210, 212)
(Figure 14)
The mower lift pedal can be adjusted to
decrease or increase the amount of force
required to lift the mower deck.
NOTE: Decreasing the amount of force
required to lift the mower deck will increase
the mower deck's bouncing. Increasing the
amount of force required to lift the mower
deck will decrease the mower deck's
bouncing.
Increased Spring Length =
Decreased Force required
to Lift Mower Deck
2 1
Decreased Spring Length =
Increased Force required to
Lift Mower Deck
1. Eye-Bolt
2. Jam Nuts
3. Mechanical Lift Spring
IMPORTANT: Adjust the mechanical lift
spring on each side of the unit to the same
length.
3
Figure 14
• Adjust the eye-bolt to increase the
length of the mechanical lift spring
which will decrease the amount of
force required to lift the mower deck.
• Adjust the eye-bolt to decrease the
length of the mechanical lift spring
which will increase the amount of force
required to lift the mower deck.
1. Raise mower deck to transport position
to reduce spring tension (see Mower Lift
Pedal (992210, 212) on page 15).
2. Loosen the jam nuts on the eyebolt
away from the mounting tab. (Figure 14)
3. Turn appropriate jam nut to adjust
position of eyebolt in mounting tab,
changing spring tension.
4. Tighten both jam nuts up against the
mounting tab to lock the eyebolt in
position.
5. Verify the mechanical lift springs on
each side of the unit are the same
length.
6. Lower mower deck to cutting position
(see Mower Lift Pedal (992210, 212) on
page 15).
7. Check effort of mower lift pedal and
adjust as necessary by repeating steps
1 through 6.
MOWER LIFT PEDAL
ADJUSTMENT (992210, 212)
1. To adjust the foot pedal, partially loosen
the nuts securing bolts to foot pedal.
2. Move foot pedal to desired location.
3. Tighten nuts and torque to 52-70 lb-ft
(Figure 15).
3
2
1
1. Nut
2. Bolt
GB - 25
3. Foot Pedal
Figure 15