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Operator’s Manual
- 47 -
Trailer Units - Model 3875/31000
- Yoke ears deformation.
- Excessive shaft length.
- Axial loads too high.
- Excessive working angle and
torque.
- Shorten shaft length (cut both
telescopic tubes as well as
shields and remove burrs).
- Replace defective yokes.
- Clean and grease telescopic
tubes, and replace both tubes
if necessary.
- Replace defective yokes.
- Verify compatibility between
shaft and working conditions
(torque vs. angle).
- Disengage tractor P.T.O. during
cornering or when lifting or
lowering the implement.
- Replace defective yokes.
AVOIDABLE DAMAGES
POSSIBLE CAUSES
CORRECTIVE ACTIONS
YOKE
- Yoke ears distorted.
- Overload caused by high
starting and peak torques.
- Engage P.T.O. more carefully.
- Use appropriate shear bolt.
- Replace defective yokes.
- Avoid excessive working angle.
- Disengage tractor P.T.O. during
cornering.
- Replace defective yokes.
- Excessive working angle.
- Yoke ears worn or pounded.
