3.10.2 Roll Tension
Roll tension (the pressure holding the rolls together) is factory-set to maximum and should rarely require adjustment.
Heavy crops or tough forage can cause the rolls to separate; therefore, maximum roll tension is required to ensure that
materials are sufficiently crimped.
Adjusting Roll Tension
To adjust roll tension, follow these steps:
DANGER
To avoid bodily injury or death from unexpected startup of the machine, always stop the engine and remove the key
from the ignition before leaving the operator's seat for any reason.
1. Lower the header to the ground.
2. Shut down the engine, and remove the key from the ignition.
3. Loosen jam nut (A) on both sides of conditioner.
4. Turn spring drawbolt (B) clockwise to tighten spring (C) and
INCREASE roll tension.
5. Turn spring drawbolt (B) counterclockwise to loosen
spring (C) and DECREASE roll tension.
6. Measure the amount of exposed thread on spring
drawbolt (B) at each end of the conditioner.
Measurement (D) should be 12–15 mm (1/2–9/16 in.) for
both polyurethane and steel roll conditioners.
IMPORTANT:
Turn each bolt equally. Each turn of the bolt changes the
roll tension by approximately 32 N (7.2 lbf).
7. Tighten jam nuts (A) on each end of the conditioner.
215009
OPERATION
Figure 3.113: Adjusting Roll Tension
77
B
D
A
C
Revision A
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