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Old 11-09-13, 01:00
Michael R. Michael R. is offline
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Default UC-F1 correction

27-4-43


Canadian Army

SERVICE INFORMATION BULLETIN

Operating instructions and Workshop Manual, UC-F1 issued November, 1942 for
the Universal Carrier, Mark I* under Section F , page F-1 contained following
information:

"1. Loosen the two adjusting nuts which hold the adjusting brackets , Fig. 4."

Figure 4, page F-2 of Manual shows three adjusting nuts. In performing the
track adjusting operation, it is necessary to loosen only two nuts "A", Figure
1 (on back of this page). The third nut "B" does not enter the operation and
should not be disturbed.

Action - By Units - By R.C.O.C. Workshops

Amend Manual UC - F1 accordingly.
Attached Thumbnails
Correction to UC-F1_0001 reduced.jpg   Correction to UC-F1_0002 reduced.jpg   track adjuster nut with Thackery washer.jpg  

Last edited by Michael R.; 11-09-13 at 16:40.
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Old 11-09-13, 03:27
Lynn Eades Lynn Eades is offline
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Default

To finish the story; The nut on "B" being a castleated (sp?) nut,secured by a split pin. This castle nut backing the said thackery washer,which for those who may not know is a double looped spring washer.
The above info previously supplied to me, by both the thread starter and Doug Lavoie
(the forward two anchors have plain nuts (7/8" BSF) and are not drilled for split pins)

Good info to have, so thank you for posting Michael R.
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Last edited by Lynn Eades; 11-09-13 at 03:35.
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  #3  
Old 11-09-13, 16:42
Michael R. Michael R. is offline
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Default 7/8" spring washer

This Thackeray spring washer, as called for on the track adjuster lower rear of three bolts ... does anyone have a source for these in 7/8" ?
As a double coil spring washer, a similar item is common in the hydro line installation business, where the washer can compensate for wood components
swelling or shrinking. A different finish for sure. Any hydro linemen have a few spare?
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Last edited by Michael R.; 18-12-15 at 03:35.
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