Checking Single Point Depth Control

causym CAUTION: DO NOT adjust machine while in motion. Falling off a moving machine can result in serious injury or death to you or others. ALWAYS stop tractor and lower machine BEFORE adjusting.

IMPORTANT: Single Point Depth Control-Make sure tractor flow control is set to fast position.

NOTE: For consistent single point performance, always move tractor control lever rapidly from neutral to lower position.

1. Use the following procedure when making initial depth control adjustment. For field operation, OPEN transport lock-up valve by turning handle (A) in-line with valve.

2. Place tractor transmission in PARK and/or set brakes and start engine.

N72685

Transport Lock-Up Valve in Open Position


A-Handle

OUO6061,000256B -19-12JUL07-1/3

3. Crank (A) moves depth stop which pushes against plunger (B) on control valve to set depth. Use Depth decal (C) as a guide when adjusting single point depth control. On decal, "A" is shallow and "L" is deep. Machine can be set outside of decal's range. Refer to Turn Crank decal (D) and turn crank counterclockwise to raise shanks, clockwise to lower shanks. Five turns equals 25 mm (1 in.) of shank movement.

4. With machine on level ground pull SCV I rearward to raise machine.


A-Crank
B-Plunger
C-Depth Decal
D-Turn Crank Handle Decal

N72794
N69712

Depth Decal - (C)

N74826
N71930

Turn Crank Handle Decal - (D)

OUO6061,000256B -19-12JUL07-2/3

5. SINGLE POINT DEPTH CONTROL- Confirm depth setting. Pull SCV I control switch (A) rearward to raise machine; and then push forward to lower machine and confirm depth setting.


A-SCV I Control Switch

N42181W

John Deere 8000/9000/8020/9020 Series Tractors

OUO6061,000256B -19-12JUL07-3/3