combine yield monitoring

Question 1

where does loss come from

Answer 1

sieve, rotor, reels, cutting at wrong height, shatter, bad cut, speed of combine, reel speed

Question 2

to reduce losses the operator must know

Answer 2

the source of losses
how to measure losses

Question 3

what are the sources of grain losses

Answer 3

preharvest losses
header losses
threshing losses
separator losses
shoe losses
leakage losses

Question 4

what are the preharvest losses

Answer 4

wind shatter
lodging (laying down tangled)
down crop
weather conditions

Question 5

what are header losses

Answer 5

when its operated improperly or when crop shatters

Question 6

what are some cutting platform losses

Answer 6

grain heads miss by cutter bar
improper reel speed placement
grain shatter by action of knife
uncut by damaged knife or guard
grain shattered by too fast ground speed

Question 7

windrow pickup losses

Answer 7

grain shattered too fast pickup or ground speed
grain missed from improper pickup height

Question 8

threshing losses

Answer 8

unthreshed grain carried over straw walkers or out the rear of the rotor
cracked grain due to over threshing or excessive tailings

Question 9

straw walker or seperator losses

Answer 9

usually caused by feeding too much material over them

Question 10

shoe losses

Answer 10

too much air from fan

Question 11

what are leakage losses

Answer 11

doors open, not closed properly

Question 12

boom chicka boom

Answer 12

rocka chicka rocka chicka rocka chicka boom

Question 13

trouble shooting field problems

Answer 13

operating problems traced to improper setting or adjustment
understand the problem before
make 1 adjustment at a time