Tested but still smooth running forward & jerky in reverse. Then found I had an extra link in each track 59 instead if 58 - excess link removed from both sides. When Cabin lifted clear discovered the the 2 X 5 angle beams were distorted on one side, something is out of alignment. Removed the 15 beam for with the red ball joints at each end between between bottom of the blade and chassis with slight improvement. When driving forward both tracks move smoothly but when driving in reverse the tracks make a cracking sound and drive is jerky, tried altering track tension but without result. I have now checked the drive train to the dummy engine and lifted the cabin off to get a better view.Ĭhecked as per your image and found that the RED 16T gear between the two Grey 16T gears is missing.
#CAT D11 DOZER DRIVER#
Only one thing the driver was late getting in the cab !! I made a 1L gap at bottom of each of the larger engine access door son each side for the two forward PF Receivers which were positioned 3L higher as cables were snagging on the tracks.Ī very challenging complex and at times frustrating build, requiring close checking each step was correct. I may have missed a step somewhere but as motor cannot be viewed unless engine casing doors are open I will leave it as is.įound it difficult to change the batteries in box under the dummy engine block.Ī total of 12 cables need to be routed very carefully to avoid gears, beams etc. Only one item not working as the dummy engine does not rotating. This was my third attempt at building the cat D11 Dozer !ġst build - unable to get motor test done on step 198 to work.Ģnd Build completed and calibrated with Control +.Īll worked except for one for the ladder.ģrd attempt successful using Ngoc Nguyn excellent instructions and the Lego instructions where indicated.Īll functions are working and it is very easy to control using a group of four PF Controllers. So far:- built the drive unit for track sprockets and the 4 PF motor module which tested and found much easier operation use PF controllers than C+.Ĭat D11 finally finished for the PF Version by Ngoc Nguyn Now stripped the 2nd build down and now starting to rebuild using the PF Conversion instructions. On running the rebuild all functions except one worked as intended.īut The blade lift failed to work but gear noises heard.Ĭheck the universal couplings on the drive to blade lift were OK and that the black 20T DB Gear was in place.Ĭonclude that change over in the main gear box for blade raise was out of sync.
There is a row of red 16tooth gear transferring rotation between left and right side where you should pay attention to minimise the friction.Īfter for the 2nd time building this as per Lego Instructions, thought I had succeeded.Ĭontrol+ connected and followed on screen tests etc. It may be possible to accidentally loose a gear. This could lead to disorder of the function selector. Until then, the rather long axles could be considered as hanging free/ sticking out. The other 'end' gets fixed -completely- in step 127 (also book 1).
Start of gearbox assembly is around step 70 (book 1).
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