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In Reply to: dozer blade mounts keep cracking posted by Jeff Ruyle on Monday, December 10, 2007:
Technical Information Bulletin
Trunnion Bracket Cracking On Backside Of Bulldozer Blade Media Number -TIBU3087-00 Publication Date -28/06/2000 Date Updated -13/10/2001
CONFIDENTIAL
Trunnion Bracket Cracking On Backside Of Bulldozer Blade
SMCS - 6060
TRACK-TYPE TRACTORS
D3C SERIES III (4KS, 4TS, 5GS, 9TS, 7XL, 6SL);
D4C SERIES III (4LS, 6BS, 8CS, 6YL, 7SL, 4LS);
D5C SERIES III (9DL, 6ZL, 5HS, 6CS, 7PS, 8ZS) TRACK-TYPE TRACTORS
Problem:
Caterpillar has received a few reports that the trunnion brackets crack or break off the back of the bulldozer blade. See the illustration for location of trunnion bracket.
Solution:
If this occurs before making any repair please contact the following:
Joel Denning, Product Support STTT/L
Ph. 919-465-2740
E-mail: dennijt@cat.com
The blades will be examined for failure analysis.
View Image
Illustration 1.
Trunnion Bracket (1) on the Blade.
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