UNLOADING AND ASSEMBLY
Form 169558
Revision A
37
STEP 13. SET KNIFE SPEED
The knife speed is manually set by making
adjustments to the knife drive pump, and has
been pre-set at the factory. For optimum
performance, adjust the knife speed according
to the header being used. See the table below.
NOTE
The knife speed should stay within the
range specified for each header.
HEADER DESCRIPTION
KNIFE SPEED
TYPE
SIZE
(FT)
MINIMUM
MAXIMUM
RPM
SPM
RPM
SPM
Draper DK
15
750
1500
950
1900
20 and 25
700
1400
850
1700
30
600
1200
800
1600
35
700
1400
Draper SK
20 and 25
750
1500
30
700
1400
35
550
1100
Grass Seed
All
700
1400
975
1950
Auger A40-D
Auger A30-D
775
1550
925
1850
Auger A30-S
625
1250
775
1550
RPM = speed of wobble box pulley.
SPM = strokes per minute of knife (RPM x 2).
a. Determine the knife speed as follows if the
machine is not equipped with the optional
module:
CAUTION
Check to be sure all bystanders have
cleared the area.
1. Run engine at maximum rpm with the
HEADER DRIVE engaged and ISC off (see
STEP 12. PROGRAM CDM).
2. Check wobble box pulley speed with a
hand-held tachometer.
3. Multiply the rpm reading by two for the knife
speed in strokes per minute.
b. Determine the knife speed as follows if the
machine is equipped with the optional module:
1. Run engine at maximum rpm with the
HEADER DRIVE engaged and ISC off (see
STEP 12. PROGRAM CDM).
2. Press SELECTOR button on the GSL until
the CDM displays the knife speed in SPM.
c. If required, adjust knife speed as follows:
DANGER
Stop engine, and remove key from ignition
before leaving Operator's seat for any
reason. A child or even a pet could engage
an idling machine.
1. Shut down engine, and open engine hood.
2. Loosen jam-nut (A).
(continued next page)
DISPLAY
DISPLAY SELECTOR
FOR UPPER LINE
A
B
Содержание M105
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