Ingersoll Rand — Emergency Lowering Procedure (-CE versions)
Operation · three way valve
From a Ingersoll Rand owner's manual — check it applies to your exact model before use.
Before you start
- Emergency lowering operations must be performed by a minimum of two personnel trained in the operation of the winch.
- The winch must be isolated from the supply air system during emergency lowering operations.
Procedure
- Open the emergency power source; rotate valve lever towards normal inlet air supply side.
- Ensure that downstream pressure is 5 to 7 bar.
- Operate winch slowly to open brakes for lowering the person the shortest way to safety.
Tools required
- 50 litre nitrogen bottle can be used as emergency power source
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Downstream pressure 5 to 7 bar
Source: Ingersoll Rand owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.