740 Trunnion spring Identification and installation
Posted by Peter Packard On 2021/4/1 1:53:17
Hello all, My friend Bob Davis is working on a 740 and has hit a snag. Can anyone answer his questions please. His questions below. Thanks... Peter Toet
We are working on a 740 and are at the trunnion spring on rear of front main springs.
The parts book says that there are 2 x p/n 97762 inner spring and 2 x p/n 97763 outer spring for the 7 th series and then the 8th and 9th series reverts to 4 of the same part no.
There is no guide as to the difference between 97762 and 97763- except we have a few loose springs from Peter Boyce ( everything dismantled ) of two different lengths. The units in the trunnion in photo – which could have come off anything appear to be the same length.
Would you think 2 x shorter springs go on the inside or the outside?
Attach file:
trunnion springs 740.jpg (476.80 KB)
We are working on a 740 and are at the trunnion spring on rear of front main springs.
The parts book says that there are 2 x p/n 97762 inner spring and 2 x p/n 97763 outer spring for the 7 th series and then the 8th and 9th series reverts to 4 of the same part no.
There is no guide as to the difference between 97762 and 97763- except we have a few loose springs from Peter Boyce ( everything dismantled ) of two different lengths. The units in the trunnion in photo – which could have come off anything appear to be the same length.
Would you think 2 x shorter springs go on the inside or the outside?
Attach file:
trunnion springs 740.jpg (476.80 KB)
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