USE AND MAINTENANCE MANUAL - SECTION 8
AERIAL PLATFORM ZP
– Rev. 05_2018
Page 8-4
CHECKS ON LIFTING CHAINS
1) Chain noise
A grinding metal noise will be heard if the chains are not fully
lubricated. This causes metal-metal friction between the joints of the
chain, which can lead to seizing-slipping effect, causing the work
platform to move unevenly.
2) Surface rust
Plates with rusty surfaces are easily recognisable by the typical brown
colour. Rust can lead to chain fatigue failures.
3) Rust on joints
Corroded connection points are recognisable by their red-brown
colour. This phenomenon may arise from lack of lubrication or use of
grease and oil unsuitable for penetrating the joints.
4) Stiff joints
Any joint that is not in a straight position when leaving the return
pulley, can no longer be used. This phenomenon may be caused by
corrosion or cold micro welding.
5) Turned pins
This is the consequence of incorrect lubrication and the
aforementioned phenomenon of stiffened joints. This phenomenon is
easily recognised by the difference in the pin clinching positions
compared to factory standard.
Summary of Contents for ZP8
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