MacDon FlexDraper FD1 Series, Operator'S Manual, Page: 425 / 510

MAINTENANCE AND SERVICING
Adjusting Reel Clearance
DANGER
To avoid bodily injury or death from unexpected start-up or fall of raised machine, always stop engine,
remove key, and engage safety props before going under header for any reason.
1. Stop the engine and remove the key.
2. Adjust outboard reel arm lift cylinders to set clearance
at outboard ends of reel as follows:
a. Loosen bolt (A).
b. Turn cylinder rod (B) out of clevis to raise reel and
increase clearance to cutterbar, or turn cylinder rod
into clevis to lower reel and decrease clearance.
c. Tighten bolt (A).
d. Repeat at opposite side.
Figure 5.205: Outside Reel Arm
3. Adjust center arm lift cylinder stop (A) to change
clearance at inboard ends of reels and clearance at
fl ex points as follows:
a. Loosen nut (B).
b. Turn nut (C) counterclockwise to raise reel and
increase clearance to cutterbar, or clockwise to
lower reel and decrease clearance.
c. Tighten nut (B).
4. Check measurements and if necessary, repeat
adjustment procedures.
Figure 5.206: Underside of Center Arm
5.13.2 Reel Frown
The reel is factory-set to “frown” (provide more clearance at the center of the reel than at the ends) to compensate
for reel
fl exing.
Adjusting Reel Frown
Adjust the frown by repositioning the hardware connecting the reel tube arms to the reel discs.
NOTE:
Measure the frown pro fi le before disassembling the reel for servicing so the pro fi le can be maintained
during reassembly.
147831
407
Revision A