6 - FIELD OPERATION
228
13. To restart a Combine after a “quick stop”, start
the engine and allow it to warm up enough to run
normally and evenly. Move the engine speed
control to the low idle position. Execute Step A
and then Step B as quickly as possible in
sequence:
A. Move the separator switch to the ON
position.
B. Move the engine speed control to the
forward or full-speed position to get all
components up to speed and then reduce
engine speed to 1/2 throttle so machine can
clean itself out.
14. If the rotor is choked you will have to use the
appropriate procedure to clear it.
15. When the separator has operated long enough to
be cleared, return the engine speed control to
the low idle position, activate the feeder clutch
switch and immediately return the engine to full
speed.
Be sure to use the uniform spread column and select
the crop you are harvesting. The number shown in
this column is the number of seeds per square foot to
equal one bushel per acre loss. This number is
divided into the number of kernels you found to come
up with the bushel per acre preharvest loss.
390L8
Header Losses
Header loss is due to cutting too high, reel shatter,
snapping roll loss, etc. This can be measured by
comparing the kernels on the ground in Area “B” to
Area “A”. The difference would be due to header
losses. If a more precise measurement is required,
refer to the seed loss tables and determine seed loss
the same as you did for preharvest losses, then
subtract the preharvest loss to obtain the header
loss.
Loss in Area “B” - Loss in Area “A” = Header Loss
To reduce header losses, make sure the header is
adjusted properly as explained in the Header
Operator’s Manual.
1. AREA “A’ 2. AREA “B’” 3. AREA “C”
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