How do I install the blades on the model number CMHT10932? Wilson October 03, 2020 20:01 To install blade, slide button as-if to fully extend the blade. Then, while holding the small oval button depressed, slide the blade in. To fold you have to manually press in the locking bar on the underside of the handle. Related articles How do I assemble the model # CMHT10383? What is the warranty on the CMMT99415? What is the size of the connection for the vac on the model # CMEW231? Comments 0 comments Please sign in to leave a comment.