Snorkel TL37J-sn7500 User Manual
Page 25
21
EMERGENCY CONTROLS
2. Emergency Lower.
In the event of a power failure, There are two ways of Safely lowering the basket.
Emergency Lowering, method one
If you are able to get assistance from the ground they can lower both booms by pressing
the Emergency Lower Valve on the ram.
Open the Lower Ram valve first to facilitate access to the Top Ram valve.
If the Emergency Lower is used due to a machine defect,
DO NOT use the
machine,
Contact your local Snorkel representative.
Each emergency lower valve will automatically close when the handle
is released.
If the Emergency Lower is used, The TOP and BOTTOM BOOMS must be
fully extended then fully lowered before work can continue.
After Emergency lowering, any further POWERED lowering could cause
an AIRLOCK in the hydraulic system.
This could cause the Hydraulic operations to Fail.
ALL BOOMS MUST BE FULLY EXTENDED/RAISED, THEN LOWERED
BEFORE WORK CAN RECOMMENCE.