Doosan D120 - Camshaft and Slack Adjuster Service

Power Train Disassembly & Assembly
3. Rotate the top shoe to release the tension on the
return spring and remove the shoe.
4. Remove the bottom anchor pin (see step 2) and
remove the second shoe.
5. If necessary, remove the rollers.
Remove Camshaft and Slack
Adjuster
NOTE : Doosan recommends that you check the
bushings at every reline.
1. Check the up-and-down and side-to-side end play
of the camshaft to determine if you must replace
the camshaft bushings. If the total movement is
more than 0.030 inch (0.76 mm), replace the
bushings.
2. Remove any snap rings, washers and spacers
from the camshaft.
3. Remove the two clevis pins from the clevis on the
air chamber push rod.
4. Remove the slack adjuster from the camshaft.
5. Full the camshaft from the spider and bracket.
6. Use the correct size driver to remove the bushings
from the spider and the bracket.
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