Great Plains 2S-2600HDF Operator Manual v1 - Manual (Page 69)

Great Plains Manufacturing, Inc. Table of Contents Index Troubleshooting 65
2014-05-16 Table of Contents Index 195-440M
Chain-debris/retainer clip Be sure retainer clip is facing opposite way of chain travel.
Press wheel not compact-
ing the soil as desired Reset press-wheel depth. See “Opener Depth (Press Wheel Height)” on page 59.
Increase hydraulic down pressure. See “Active Hydraulic Systems” on page 32.
Grain box not emptying
evenly Certain models do not have the same number of seed cups between each bulkhead
divider. The section with more seed cups will empty sooner.
Check that you have the same drive type set on both drill boxes.
Press wheel or openers
plugging Consider soil conditions. Drilling in damp or wet conditions can increase this problem.
Reduce hydraulic down pressure. See “Active Hydraulic Systems” on page 32.
Do not back up or allow drill to roll backward with openers in ground.
Check Seed-Lok wheels for mud accumulation. Lock up wheels if necessary. See
“Seed-Lok™ Seed Firmer Lock-Up” on page 59.
Seed-cup sprockets
locked up or seed-drive
shaft twisted Check for foreign material lodged in seed-cup sprockets.
Check for build-up of dried liquid insecticide in seed cups. Remove the build up by dis-
assembling each seed cup and scraping the foreign substance from the turning sur-
faces.
Openers drill too deep
(Bulldozing) If operating at high down-pressures, see “Opener-Subframe Adjustment” on
page 52.
Reduce hydraulic down pressure on openers. See “Active Hydraulic Systems” on
page 32.
Check press-wheel adjustment. See “Opener Depth (Press Wheel Height)” on
page 59.
Front of openers dropping
too low in hard or mini-
mum-till conditions Set opener-frame bolt in top hole. See “Opener-Subframe Adjustment” on page 52.
Reduce hydraulic down pressure on openers. See “Active Hydraulic Systems” on
page 32.
Openers raise when trac-
tor hydraulic lever is held
forward and lower when
lever is held back Reverse hydraulic hoses at tractor quick couplers.
Opener frames do not
float over uneven terrain Check that hydraulic lever is locked forward and openers are connected to circuit
designed for hydraulic-motor control. See “Opener Operation” on page 31.
Pressure gauges read
zero when openers are
lowered and tractor
hydraulic lever is held for-
ward Check if hoses are routed incorrectly between pressure-control valves and opener-lift
cylinders. See “Bleeding Hydraulics” on page 68 and “Hydraulic Diagrams” on
page 97.
Pressure gauges show
pressure when the open-
ers are raised Check if hoses are routed incorrectly between pressure-control valve and opener-lift
cylinders. See “Bleeding Hydraulics” on page 68 and “Hydraulic Diagrams” on
page 97.
Transport lock channels
will not stay in position for
transport Check u-shaped clip in lock channel. Clip must clasp cylinder rod securely. If neces-
sary, tighten or loosen clip by turning the bolt on clip.
Before transporting, check that hydraulic cylinders have settled against lock channels.
The weight of cylinders help hold lock channels in place.
Problem Solution