Great Plains P14175 Serial No 12213 to 12723 - Manual (Page 28)

X-Press
Operating Instructions
28
4. Adjustment / Operation
1x 1x
Disc Frame Pitch
Blue
7mm
Red
10mm
The centres of the adjuster should be factory set to 640mm when the machine is re-
ceived. This is an ideal starting point before beginning to add shims to set the disc pitch.
4.5.1 Variation of Settings
If working conditions change (for example, from dry to wet conditions) then the following table
should be consulted as a rough guide.
Disc Angle Adjusters
Front Gang Rear Gang
VARIATION IN CONDITION SETTING REVISION
REDUCE DISC ANGLE
INCREASE DISC FRAME PITCH & DRAWBAR SHIM LENGTH
(RATIO 2 DRAWBAR : 1 DISC PITCH)
INCREASE DISC ANGLE
REDUCE SPEED
INCREASE DRAWBAR SHIMS
DECREASE DISC FRAME PITCH & DRAWBAR SHIM LENGTH
(RATIO 2 DRAWBAR : 1 DISC PITCH)
INCREASE DISC ANGLE
REDUCE SPEED
FROM HARD/DRY TO LOOSE/WET
FROM STUBBLES TO HIGHER TRASH
(TO INCREASE INCORPORATION)
FROM SHALLOW TO DEEP (NOTE 75-
100mm MAX WORKING DEPTH)
1x
Yellow
20mm