Maintenance
Safety Equipment
66 9831/3200-3 66
Safety Equipment
Check (Operation)
If any of the safety equipment is defective stop using the machine until the defect has been rectified.
Pot Hole Protection System
Pot hole protection system should be activated when the platform raised. The pot hole protection system is
monitored by two limit switches to ensure correct deployment. If the pothole protection system does not activate
the alarm will sound and the platform will not raise any higher.
1. Raise the platform.
2. Install the safety strut.
3. The pot hole protection plates should automatically unfold.
4. Inspect the pothole protection plates on both sides of the chassis. The plates should be lowered fully to
the vertical position.
5. Inspect the linkages inside the compartments on both sides of the chassis. The linkages should be
connected, with no visible signs of damage.
6. Remove the safety strut.
7. Lower the platform.
8. The pot hole protection plates should automatically fold.
9. Place an obstacle under the plate on each side.
10. Raise the platform. The platform should automatically stop when the plate cannot be deployed. Check the
reaction: the alarm should sound at the platform controller and the chassis, the lights should flash on the
chassis, the LCD (Liquid Crystal Display) displays should show "18".
Figure 40.
A Pot hole protection plate - unfold position B Pot hole protection plate - fold position
Tilt Sensor
1. Raise the platform.
2. Install the safety strut.
3. Use a pole/device to push the tilt sensor down on one side until the sensor is tilted at its highest angle.
Hold the tilt sensor down at least for at least 1.5 seconds. Check the reaction: the alarm should sound
at the platform controller and the chassis, the lights should flash on the chassis, the LCD displays should
show "LL".
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