MacDon M155 Operators Manual - Manual (Page 157)

OPERATION
Header Force to Lift Cutterbar at Ends with Lift Cylinder Fully Retracted
Auger 75–85 lbf (335–380 N)
Rotary 95–105 lbf (426–471 N)
Draper 75–85 lbf (335–380 N) with stabilizer/transport wheels raised (if equipped).
Adjusting Float Using Drawbolts
Coarse float adjustment is done using the drawbolts located on either side of the windrower.
If necessary, coarse adjust the float with the drawbolts as follows:
CAUTION
Check to be sure all bystanders have cleared the area.
1. Start engine.
2. Using HEADER UP (A) switch on ground speed
lever (GSL), raise the header fully, shut down engine,
and remove key.
Figure 4.71: GSL
3. Turn drawbolt (A) clockwise to increase float (makes
header lighter) or counterclockwise to decrease float
(makes header heavier).
4. Recheck the header float as described in Checking
Float, page 139 .
Figure 4.72: Header Float Adjustment
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Revision A