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Section 2: Adjustments
Level Wing Deck
Refer to Figure 2-4:
Each wing section will need adjusting if its top is not level
with top of center deck when wings are unfolded.
IMPORTANT: Make sure wing lift cylinder mounts
have been relocated for field use. See "Relocate
Wing Lift Cylinder Mounts" on page 23.
1.
With tractor hydraulics, raise wings fully up, remove
transport locks (#1) from transport position to field
position as shown. Be sure to secure transport locks
with hairpin cotters (#4). See "Transport Locks" on
page 33 for detailed instructions.
2. Lower wings to ground position and pull cutter
straight forward six to ten feet to allow outer wing
wheels to properly align themselves.
3. With tractor hydraulics, fully extend all three
rephasing cylinders and then lower cutter to
approximate cutting height.
4. Check wing tops to see if they are level with top of
center deck. If outer edge of either wing is higher or
lower than the center deck, then that wing should be
leveled as follows:
a. If the outer wing edge is higher than the center
deck, loosen adjusting nut (#3) to lower the outer
wing edge until wing is level. Tighten adjusting
nut (#2) to the correct torque when level.
b. If the outer wing edge is lower than the center
deck, loosen adjusting nut (#2) several turns and
tighten adjusting nut (#3) until wing is level.
Tighten adjusting nut (#2) to the correct torque
when level.
Leveling Wing Deck
Figure 2-4
Adjust Deck Cutting Height
NOTE: Make all cutting height adjustments in the
field using height of cut grass/material as a guide.
Do not measure blade height above ground as the
non-operating blade height will be different than the
operating blade height.
Refer to Figure 2-5:
1.
At the cutting site, unfold wings and raise center deck
fully up with lift cylinder (#5). See instructions for
"Unfold Wings" on page 22.
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Set Deck Height With Stroke Control Spacers
2. Place tractor gear selector in park, set park brake,
shut off tractor, and remove key before dismounting
from tractor.
3. Remove all stroke control spacers (#1 to #4) from
center hydraulic cylinder (#5) by spreading them
apart at the break line. Store spacers in a location
they can be retrieved.
4. Start tractor and engage blades. See instructions for
"Engage Blades" on page 35.
5. Using tractor control lever, adjust cutter to the desired
cutting height and then travel forward for
approximately 20 to 50 feet.
6. Stop tractor, disengage power take-off, place tractor
gear selector in park, set park brake, shut off tractor,
remove key, and wait for blades to come to a
complete stop before dismounting from tractor.
7.
Measure height of cut grass/material. This distance
is the cutting height. If this height is acceptable,
continue with step 8. If this height is unacceptable,
repeat steps 4-7 until desired cutting height is
achieved.
8. Select required size and number of stroke control
spacers (#1 to #4) that will fit on the center hydraulic
cylinder rod. The following spacers are available.
•
(#1): Two 1" spacers
•
(#2): One 1 1/4" spacer
•
(#3): One 1 1/2" spacer
•
(#4): One 1 3/4" spacer
NOTE: Removing spacers lowers cutting height and
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adding spacers raises cutting height.
9. Return to the tractor and raise Rotary Cutter up
again. With tractor shut off and switch key removed,
install selected stroke control spacers on the center
hydraulic cylinder rod. Do not install spacers on the
wing rephasing cylinders.
10. Return to tractor and lower cutter against stroke
control spacers. Recheck cutting height in steps 4-7.
If needed, adjust size and quantity of stroke control
spacers until desired cutting height is achieved.
11. Keep remaining spacers with tractor for field
adjustments.
Figure 2-5
RC3620 & RCM3620 Rotary Cuters 330-841M
29
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