HP 5 OPERATOR’S MANUAL
TROUBLESHOOTING
TROUBLESHOOTING D-3
PROBLEM PROBABLE CAUSES ADJUSTMENT
ROW CROP HEAD HARVESTING PROBLEMS
Incorrect ground speed Increase ground speed Plants pulled out of ground by
belts before being cut
Incorrect ground speed Decrease ground speed Plants pushed out of the
ground before being cut
Incorrect header height Lower header
Gauge wheels set too low Raise gauge wheels
Unharvested grain remains on
plant in field
Snout not lifting fallen plants Lower snout
Belt too loose Tighten just enough to run Header conveyor belts
stopping
Material between concave lip
and conveyor
Stop machine and clear
manually
Raise header Header too low
Lower gauge wheels
Dirt in seed samples
Gathering belt too fast Increase ground speed
Gathering belt / knife jams Incorrect knife clearance Adjust per JD Row Crop Manual
Too much power to run head Gathering belt too tight Loosen gathering belts
MACHINE HARVESTING PROBLEMS
Crop too green Wait for crop to mature
Uneven material flow Decrease ground speed
Concave too tight Increase concave clearance
Cylinder too slow Increase cylinder speed
Threshing cylinder plugged
Component failure Contact ALMACO
Debris caught in sieve, which
holds plant material
Clean off sieves Plant material hangs up on
sieves
Curtains interfere w/ plant
material
Shorten or remove curtains
Open shutter (more air) Plant material plugs cleaning
chambers
Incorrect winnowing blower
setting
Increase winnowing blower
speed
Incorrect cyclone blower speed Increase cyclone blower speed
Decrease ground speed
Clean cyclone lid screen
Venturi tubes plugged
Cyclone lid is plugged
Remove top panels
Increase shutter setting (more
air)
Incorrect winnowing blower
setting
Increase winnowing blower
speed
Decrease threshing cylinder
speed
Foreign material in samples
Threshing cylinder grinding up
harvested material
Increase concave clearance
Incorrect threshing cylinder
speed
Increase threshing cylinder
speed
Unthreshed grain in the
discharge (out rear of
machine)
Incorrect concave clearance Decrease concave clearance
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