Cable Car Barn Gearbox Rebuild 2017-2019

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, 2017

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

Here's the approximate schedule:

- Fall 2018: Mason Line - Completed Sept. 30, 2018

- Spring 2019: Powell Line (Powell Street portion of the Mason and Hyde lines)

- Fall 2019: All cable car lines (required to rehab the central Hyde Line gearbox)


			REMOVING THE SHEAVES The bolts holding the half sheaves together are removed and the bottom half supported while the upper half is hoisted out first.

			REMOVING THE GEARBOX A custom rig with a massive I-beam and a beam trolley was required to safely lift the gearbox.

			INSTALLING THE NEW GEARBOX The refurbished gearbox was now ready to install.

			INSTALLING THE IDLER SHEAVE The idler sheave is installed to line up with the drive sheave.

			STRINGING UP THE CABLE Specialized cable splicers string the steel cable back in place.


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