Snorkel TL37, Operator'S Manual

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Chapter 4 – Safety Devices
TL37J – 511116-000-EN-A 11
After emergency lowering, any further powered
lowering could cause an airlock in the hydraulic
system. This could cause the hydraulic operation
to fail.
All booms must be fully extended/raised, then low -
ered before work can recommence.
Emergency Lowering Hand Pump
The emergency lowering hand pump procedure is
available from the upper control station. In the event
of a power failure, the hand pump procedure to use is
as follows:
• Insert the hand pump into the pump shaft.
• Move the platform raise/lower levers to the required
direction of movement and operate the hand pump.
• Continue pressing down on the platform raise/low-
er levers when the machine starts to lower.
Hand Pump
Platform
Raise/Lower
Levers
Figure 4.7 – Hand Pump Emergency Lowering
Procedure
Guardrails
The guardrails help protect personnel from falling off
the platform.
The guard rail system includes:
• Top rail
• Mid rail
• Lock rail strap
• Toeboards around the sides of the platform
The lock rail allows for access to the platform. The lock
rail must be securely closed except when personnel
are entering or leaving the platform.
Top Rail
Mid Rail
Toeboard
Lock Rail
Strap
Figure 4.8 – Platform