Great Plains Electric Clutch Package - Manual (Page 95)

03/24/2009 195-073M
Great Plains Manufacturing, Inc. Adjust Height Switch 91
Operations
Refer to Figure 145
Normal Full Pass
1. Set Master switch ON (up), and Pump OFF.
Set all sections ON (up).
Check that corresponding lamps are on.
2. Height switch automatically energizes clutches when
row units are lowered.
Point Row
3. Turn desired sections off as non-planting regions are
reached.
4. Turn them back on before commencing next full-
width pass.
Troubleshooting
Switch
or
Indicator
Function
MASTER
Switch
Up: System enabled
Center: System OFF
Down: Height Switch Bypassed ON
MASTER
Lamp
On: System enabled
Off: System OFF
Section
Lamps
On: Clutch energized for that section.
Off: Clutch not energized
a
a. However, the section’s meters may still be coupled to
the drive system, if lock-up bolts are installed in the
clutch.
LEFT
CENTER
b
RIGHT
b. Center switch/indicator have no function on 2S-2600/
HD. Great Plains recommends leaving OFF at all
times on 2S-2600/HD.
Up: section enabled
Down: section disabled
PUMP No function on 2S/3S drills.
Fuse
c
c. If lamp fails to illuminate with set ON, check the
fuse . If open, check for damaged cable / failed
clutch.
Protects switch box, clutches and
battery.
CAL Lamp Height switch overridden to ON
Figure 147
Cab Switch Box
28097
M
R C
L
CAL
F
S
P
m
{
M
m
S
L
C
R
C
P
F
m M
F
CAL
M P
L C R
Problem Cause Solution
no seed
metering, all
rows fuse blown Check fuse. Correct
underlying fault before
replacing fuse.
height switch
not tripping Check adjustment of
height switch.
no metering,
one section clutch failure Lock-up clutch until
repaired or replaced.
shearing Replace 1/4-20 bolts and
1/4in roll pins in clutch asy.
seed rate low
or uneven lubricant in
clutch Disassemble and
degrease clutches.
meters
always on CAL mode
on Move Master switch han-
dle from CAL to ON.
height switch
always on Check adjustment of
height switch.