Checking Knife Speed; Reel Height - MacDon D65 Operator's Manual

Table 3.5 Knife Speed Guidelines (continued)
Header Size
10.7 m (35 ft.)
12.2 m (40 ft.)

Checking Knife Speed

Compare pulley rpm measurement with the values listed in the knife speed chart in this manual.
DANGER
To prevent bodily injury or death from the unexpected start-up of the machine, always stop the engine and remove the
key from the ignition before leaving the operator's seat for any reason.
1. Shut down the engine, and remove the key from the ignition.
2. Open left endshield (A).
DANGER
Check to be sure all bystanders have cleared the area.
3. Start the windrower engine, engage the header drive, and
run the windrower at operating rpm.
4. Measure rpm of knife drive box pulley (A) with a hand-held
tachometer.
5. Shut down the windrower.
6. Compare pulley rpm measurement with the rpm values in
the knife speed chart. For instructions, refer to
Speed, page 59.
7. Contact your MacDon Dealer if the pulley rpm
measurement exceeds the specified rpm range for your
header.

3.7.10 Reel Height

The crop type and condition determines the operating height of the reel.
Set the reel height to carry material past the knife and onto the drapers with minimal disturbance and damage to the cut
crop. For instructions, refer to
214327
OPERATION
Single Knife
1100–1300
1050–1200
3.7.9 Knife
3.7.11 Reel Fore-Aft Position, page
Recommended Knife Speed Range (spm)
Figure 3.30: Left Endshield
A
Figure 3.31: Knife Drive Pulley
61.
60
Double Knife
1200–1400
1100–1400
A
Revision B