piping manifolds linking all poles to the central diagnostic block.
If the equipment is 10+ years old, the original manufacturer may have absorbed the line or can provide a “replacement manual” for a functionally identical series. ltb 72.5-170d1 b manual
The is a specialized document for a 72.5 kV high-voltage circuit breaker or switchgear component. Finding it requires precise manufacturer identification and access to technical support portals. Once obtained, the manual is non-negotiable for safe operation, timing adjustments, and gas handling. piping manifolds linking all poles to the central