Patent ID: 8387664

Claim:
A valve operating device for operating a valve positioned below underlying ground, said device comprising a vehicle, a mounting for retaining said device to said vehicle, an arm having a first end and a second end, a valve operating machine attached to said second end of said arm, said first end of said arm attached to said mounting, and only moveable with respect to said mounting by a pivot rotatable about a vertical axis wherein said valve operating machine at said second end of said arm is retained above underlying ground and moveable across said underlying ground, a brake at said pivot for selectively locking and unlocking said arm into a fixed angular orientation with respect to said mounting, a control for controlling the application and the release of said brake wherein said valve operating machine is rigidly retained above said valve while said lock is applied and is manually moveable across said underlying ground while said lock is released, said control positioned remote from said brake and remote from said vehicle, and said brake hydraulically operated.