After finding that mainshaft 3rd lost a tooth into layshaft 2nd and mainshaft 2nd, I decided to have my friend the mechanic overhaul the gearbox and overdrive.
I decided to replace all bearings with the best I could find.
In other words no no-name ones. Bought them from Rimmers, TRF and a local bearing supplier in New Zealand.
The costs are building up.
Upon opening up the the overdrive we found that the rear thrust washer had shattered due to no centre thrust washer (part no. 505548).
My friend said that it would be best to replace the accumulator piston rings (part no.505555) which I ordered from Rimmers.
The two rings were 1 1/4" diameter, my piston requires 4x 1 5/8" rings.
Both TRF and Rimmers list part no. 505555 for an A Type TR4 overdive.
The rings look like they will fit a later Triumph 2.5 overdrive accumulator.
I'm confused.
I'm fairly sure that the box/overdrive is the original factory one.
How many rings should my accumulator piston have?
Do A type overdrives have two or 4 piston rings?
Thanks
Jim and the 1962 TR4
I decided to replace all bearings with the best I could find.
In other words no no-name ones. Bought them from Rimmers, TRF and a local bearing supplier in New Zealand.
The costs are building up.
Upon opening up the the overdrive we found that the rear thrust washer had shattered due to no centre thrust washer (part no. 505548).
My friend said that it would be best to replace the accumulator piston rings (part no.505555) which I ordered from Rimmers.
The two rings were 1 1/4" diameter, my piston requires 4x 1 5/8" rings.
Both TRF and Rimmers list part no. 505555 for an A Type TR4 overdive.
The rings look like they will fit a later Triumph 2.5 overdrive accumulator.
I'm confused.
I'm fairly sure that the box/overdrive is the original factory one.
How many rings should my accumulator piston have?
Do A type overdrives have two or 4 piston rings?
Thanks
Jim and the 1962 TR4