Missing part for ml7 qu gear box

Missing part for ml7 qu gear box

This topic has 4 replies, 3 voices, and was last updated 11 October 2022 at 15:49 by KWIL.

Viewing 5 posts - 1 through 5 (of 5 total)

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10 October 2022 at 16:19 #616802
Timothy Fitzpatrick 1
Participant
@timothyfitzpatrick1
Hi I have a ML 7 trileva with qc gear box; the top selector never worked well, this is the one which selects form a /b not the lower gear selector. It has a grub screw on top to the right of the gear box.

I looked inside and the plunger is missing ; myford do not supply this . Can anyone supply a picture so I can make something to work ?

thanks in advance
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10 October 2022 at 16:19 #20813
Timothy Fitzpatrick 1
Participant
@timothyfitzpatrick1
Quadrant selector plunger
11 October 2022 at 13:09 #616911
Peter Sansom
Participant
@petersansom44767
Do you have the exploded diagram diagram for the QC gear box to identify the part number of what you are missing. The lack of the detent pin will not stop the selector working.

I you cannot locate the diagram, or find one on an internet search, pm me.

My selector was sloppy, and was fiddly to use, turned out to be a loose screw.

Remove the cover from the gearbox and check the sliding gear works.

Peter
11 October 2022 at 15:23 #616925
Timothy Fitzpatrick 1
Participant
@timothyfitzpatrick1
thanks peter i cant tell from the diagram how the part is made

I have the gear box apart and yes I can make it work , should be sorted thanks again
11 October 2022 at 15:49 #616926
KWIL
Participant
@kwil
Part Number is 196 A2286 Thrust Block. The sqare part fits into the movalble gear shaft below it and the round pin on the top of the Square is a fit in the 193 A2272 Quadrant Plate that is moved by 197 A2511 Upper Lever.

All part numbers are the same on QC Gearbox for ML7 and Super 7 Lathes

When made the part is a snug fit with between the Quadrant and Shaft location.
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