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L3030G4 CNH
Header
Tracking
NOTE: Once belt is properly tracked, Measurement “B” in Figure 1 may not be equal on each side.
This is acceptable.
1. Spreader must be empty of material.
2. Figure 3 - Snubber pulley must be secure and square to conveyor bottom. Verify bearings are
equally positioned in height adjustment between each side. Loosen hardware (B) and adjust as
necessary.
3. Start engine. Engage hydraulics and turn on conveyor. Start at slow speed, and slowly increase
conveyor speed while continuously monitoring belt tracking.
4. Continue to increase speed until maximum conveyor speed is achieved (approximately 50
conveyor pulley RPM).
5. If further tracking adjustments are required, continue to troubleshooting on next page.
Improper tracking is usually due to one of three basic causes. These problems and their respective solutions
follow:
PROBLEM 1: (Figure 5)
Belt tracks to one side, contacts side of conveyor. Contact is more severe at the front and may not quite
touch at the rear.
SNUBBER
DRIVE
IDLER
SNUBBER
DRIVE
IDLER
Belt contacts
this side
Belt contacts
this side
Figure 5
SOLUTION:
Tighten idler take-up on side in contact with belt. Make this adjustment one turn at a time. Operate
conveyor 10 to 15 minutes at a high speed to allow belt to react to the adjustment. Repeat if necessary.
PROBLEM 2: (Figure 6)
Belt contacts one side at front and contacts other side at rear.
SNUBBER
DRIVE
IDLER
SNUBBER
DRIVE
IDLER
Belt
contacts
here
Belt
contacts
here
Belt
contacts
here
Figure 6
Lubrication & Maintenance
