Service Manual

ATTACHMENTS
10-20 TX 413 Service Manual
Rev. 001
Trencher
Chain wear cannot exceed more than 3% of its com-
pressed length. To determine this, lay the chain on a
atsurface.Pushtheendsintoremovealltheslack.
Measure its length. Next, stretch the chain by pulling the
ends until all the slack is removed. Measure its length
once more. If the stretch length is more than 3% longer
then the compressed length, replace the chain (Fig.
071).
difference
should be
less than
3%
Compressed Chain Length
Stretched Chain Length
Fig 071 chain chart
Fig 072 CLR DSC-0204
1. Disconnecthydrauliclinesattheushfacecouplers
(Fig. 072).
23. Start the traction unit and engage the auger to make
sure the auger is operational in both directions.
Fig 070 CLR DSC-0192
22. Grease the zerks on the auger housing with a high
temperature Mobil grease (Fig. 070).