Emergency Lowering System; General Condition Of The Access Platform; Chassis; Slewing Ring - Kesla XS 190 Operation & Maintenance Manual

- If a hose is damaged, the working platform must be kept locked by the hydraulic
stabilizing equipment.
- The hydraulic stabilizing equipment is fitted with a lock valve.
- The horizontal level of the platform can be corrected with a control lever located in
the boom control valve.
- The stabilizing equipment must function automatically in all situations.
- While the working platform is being raised, it must always remain in a horizontal
position.

Emergency lowering system

Access Platforms fitted with a mechanical operating system must have an emergency
lowering system for lowering the working platform in an emergency. The controls of the
emergency lowering system must be clearly indicated, and their unintentional use must be
prevented.
- The electric pump of the emergency lowering system is located under the battery
compartment, and its operating buttons are in the working platform and in the turntable.
- For the emergency lowering system, there is an instruction decal in the electric
junction box.
- An electric pump supplies pressure to the emergency lowering system, and it is
controlled with the control valve in the ground control station, or, from the working platform,
with the boom control valve and the pedal.

GENERAL CONDITION OF THE ACCESS PLATFORM

Visual inspection

Chassis

- Corrosion damage
- Welded joints (no visible breaks or cracks)
- Permanent deformations

Slewing ring

- Tightness of ring screws and the joint (see manufacturer's instructions)
- Slewing gear
- Condition of tooth ring and play (see the manual for maximum play)
- Bearing
- Welded joints

Boom

- Welded joints
- Wear of joints
- Locking of joints and cylinders
- Dents and tears
- Permanent deformations
- Bars and screws of the stabilizing equipment
- Cylinders
- Slide pads and adjustments
Kesla
SELF PROPELLED TELESCOPIC PLATFORM
66
XS
®
190