Roots blower gear disassembly
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May I ask how to remove this gear? Are those two holes for jacking screws?
It's not a jack screw hole, just pull it out directly with the three-leg claw. Maybe the claws need to be specially made. .
The gear is movable to adjust the gear clearance. There are two pins to pull out and you can use a tool to pull it out. The pinion needs to be lifted out using a tool and a jack.
The keyed gear can be pulled directly, while the helical gear needs to be pulled together.
Loosen the bolts first, then use the puller