GREAT PLAINS PL5500 PTO, Руководство по установке и обслуживанию

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Great Plains | 411-774M | 2019 - 09 - 12 Table of Contents 8
PL5500 PTO Pump Kit Table of Contents
PTO Troubleshooting
Symptom Cause Remedy
Seed meter pressure
too low
Flow control adjusted too low.
Increase flow control. “ Flow Control Valve
Adjustment ” on page 10.
Fan butterfly valve closed or set at too high an
angle.
Reduce to 30.
PTO rpm too low. Bring up PTO rpm, but do not exceed 540 rpm.
Fan running in reverse (multiple possible
causes).
See “ Fan running in reverse ” below.
Pump cavitating. Check oil level “ Check Oil Level ” on page 10.
No blank disks in unused seed meters. Install blank disks to balance pressure.
Seed inlet shutters open too wide.
Verify setting vs., rate charts. Adjust as need for
actual seed pool.
Oil filter clogged.
Replace oil filter and oil “ Oil and Filter Change ”
on page 10.
Magnehelic
®
gauge disconnected or sample
line(s) leaking.
Check air gauging system.
Magnehelic
®
gauge uncalibrated.
Re - zero (see Operator Manual).
Flow control valve failure or malfunction. Repair or replace valve.
Fan seals damaged. Repair or replace fan motor.
PTO rotation and fan or valve hoses reversed
(highly unlikely).
Set tractor controls for clockwise PTO.
Reconnect hoses.
Fan cooler plugged. Clean or replace fan cooler.
Pressure correct on
Magnehelic
®
, but skips
or doubles
Pressure gauge disconnected or sample line(s)
leaking.
Check air gauging system.
Magnehelic
®
gauge uncalibrated.
Re - zero (see Operator manual).
Seed variety may require adjustment.
Check all other possible pressure errors, then
fine tune pressure for one seed per disk cell.
Oil overheating
Oil filter clogged.
Replace oil filter and oil “ Oil and Filter Change ”
on page 10.
PTO rpm too high.
Adjust system for ideal pressure at lower PTO
rpm.
Fan butterfly valve angle too high. Reduce to 30.
Fan running
PTO shaft turning counter - clockwise. Set tractor controls for clockwise PTO.
Hoses reversed.
Check hose routing from pump to valve, to tank
and fan Parts Manual.
Fan doesn’t run at all
Low oil level in tank. Top off tank. Check system for leaks.
Flow control valve closed.
Adjust valve. “ Flow Control Valve Adjustment ”
on page 10.
Battery connections are weak or poor.
Clean or replace parts as needed to make a
solid connection to the tractor battery.
Hoses are not properly connected.
Review installation. “ Appendix A - Installation ”
starting on page 13.
Tractor battery is dead
PTO pump electrical harness remained
connected to the tractor battery.
Unplug the PTO Pump electrical harness
whenever the planter is not in use or is in store
or transport.