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MAINTENANCE AND SPECIFICATIONS
DR12x2 Row Hopper Planter OM-EN
7-6
Hydraulic Component Air Bleed
Procedure
This procedure is required after replacement of hydraulic
component or if hydraulic oil has been drained from the
hydraulic system.
WARNING
!
Prevent hydraulic system damage. Perform the
hydraulic component air bleed procedure correctly.
Failure to follow this procedure could cause hydraulic
system damage.
1. Park implement on a clean, level surface.
2. Unfold wings and lower implement to the ground.
DANGER
!
Use an appropriate lifting device to support left and
right wing fold cylinders. Failure to follow this
information could result in death or serious injury.
3. Use an appropriate lifting device to support left wing
fold cylinder (1).
4. Remove cotter pin and pin on rod end of left wing fold
cylinder. See “Wing Fold Cylinder Removal” on
page 7-5.
5. Position and support left wing fold cylinder with a
block of wood (2) as shown in Figure 7-4.
6. Repeat steps 3–5 for right wing fold cylinder.
ORM000149
Figure 7-4: Left Wing Fold Cylinder
7. Check hydraulic oil level in tractor and add oil as
necessary.
8. Start tractor and run at 1800 revolutions per minute
(RPM).
NOTE:
If performing hydraulic component air bleed
procedure on machines running different than
1800 rpm, bleed rate times must be adjusted to a
113 liters per min (LPM), or 30 gallons per min
(GPM).
DANGER
!
High-pressure fluid can penetrate eyes and skin.
Relieve pressure on hydraulic system before servicing
or disconnecting hoses. Wear proper hand and eye
protection. When searching for leaks, use cardboard or
wood instead of hands.
9. Check for leaks.
10. Fully extend and retract left and right wing fold
cylinders at least two times, maintaining hydraulic
pressure at full extension for at least 30 seconds.
11. Extend cylinders one more time, maintaining
hydraulic pressure at full extension for 1 minute.
12. Check for leaks.
13. Check hydraulic oil level in tractor and add oil as
necessary.
14. Install cotter pin and pin on rod end of left and right
wing fold cylinders.
1) Left wing fold cylinder
2) Block of wood
2
1
Summary of Contents for 125-087-02-EN-OM
Page 1: ...Operator s Manual DR12X2 ROW HOPPER PLANTER Part 125 087 03 EN OM ...
Page 2: ...Intentionally Left Blank Page ...
Page 20: ...SAFETY INFORMATION DR12x2 Row Hopper Planter OM EN 2 12 Page Intentionally Blank ...
Page 21: ...Chapter 3 DR12x2 Row Hopper Planter OM EN 3 1 Major Components Center 3 2 Wing 3 3 ...
Page 24: ...MAJOR COMPONENTS DR12x2 Row Hopper Planter OM EN 3 4 Page Intentionally Blank ...
Page 48: ...TROUBLESHOOTING DR12x2 Row Hopper Planter OM EN 6 4 Page Intentionally Blank ...
Page 58: ...MAINTENANCE AND SPECIFICATIONS DR12x2 Row Hopper Planter OM EN 7 10 Notes ...
Page 61: ...Intentionally Left Blank Page ...