CABLE CAR BARN PROPULSION GEARBOX REHABILITATION 2017-2019

To keep the cable car system in the state of good repair, the San Francisco Municipal Transportation Agency (SFMTA) will begin to rehabilitate the gearboxes that power the cable car system. The gearboxes have been in service since 1984.

The California Line will out of service Sept. 22 - 29

Three more eight-day cable car service shutdowns will come over the next two years.

Here’s the approximate schedule:

- Spring 2018:
Powell Line (Powell Street portion of the Mason and Hyde lines)
-Fall 2018:
Mason Line (Mason Street, Columbus Avenue and Taylor Street
-Spring or Fall 2019:
All cable car lines (required to rehab the central Hyde Line gearbox)
The bolts holding the half sheaves together are removed and the bottom half supported while the upper half is hoisted out first.
A custom rig with a massive I-beam and a beam trolley was required to safely lift the gearbox.
The refurbished gearbox was now ready to install.
The idler sheave is installed to line up with the drive sheave.

How
Cable Cars
Work