LOFTNESS 48MH, Operator'S Manual / Parts Book, Page: 26 / 46

Owner’s Manual (Hydraulic Flail Mower)
N14800 3 - August, 2004
4
Maintenance Continued
Trouble shooting:
WARNING: When high pressure fluid escapes, it can be almost invisible, yet have enough pressure
to penetrate the skin and enter the blood stream. Never attempt to use hands to search for suspected oil leak. If
injured by escaping fluid, consult a doctor at once! Serious reaction or infection can occur if proper medical
treatment is not obtained immediately.
SYMPTOM POSSIBLE CAUSE SOLUTION ____
Excessive Vibration
* Broken or missing knife. * Replace knife
* Mud and/or debris wrapped around * Clean the machine
the rotor or
* Bearing malfunction * Check and replace faulty
rotor and drive line bearings.
* Damage to rotor, includes bent end * Return to factory for repair
shafts of missing balance weights, or
actual rotor deformity from striking
rocks, etc.
* Tractor top link not adjusted properly. * Re-adjust top link so input shaft
of gearbox is parallel with PTO
shaft on tractor.
Uneven Cut * Knives dull or worn excessively. * Reverse or replace knives.
* Engine RPM too slow. * Operate at full throttle
* Ground speed too fast. * Reduce ground speed and
increase rotor speed.
* Roller not properly adjusted. * Re-adjust roller.
Rotor Does Not Turn * Bearings malfunction * Check and replace.
* Belt damaged or slipping. * Adjust tension or replace.
* Gearbox malfunction * If the gearbox is determined to
be faulty while the machine is
still under warranty, DO NOT
open the gearbox.