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You're correct on the stamped "dots" I missed. I should have paid more attention to the illustration/text in the workshop/maintenance manual! Fan drive pulley: [/url][/IMG]

I didn't think about marking the front pulley. Bonehead move on my part! Oh well...tomorrow I'll be back at it. Thanks again.

Good and bad... Ran the tractor for about one hour, mowing most of the time. No oil leaks. However, I screwed up somewhere along the assembly process. Excessive vibration at lower RPMs, and smooth during full throttle. I suspect I either installed the flywheel off from where it was set (I...

I did pull the collar and O-ring to inspect, and grease the latter prior to assembly. I suspected I would have been better off picking up a new O-ring while at the dealership...they didn't steer me in that direction. :confused: Engine is back in the tractor, and about a 1/2 hour away from...

Thanks Daren and Dave... New front crank seal is installed (without having to remove the gear case/cover). There wasn't sufficient room to use my puller (photo), so I used a 90 degree pick, small screwdriver, and ball-peen hammer. Installation included some of what Daren had written (PVC pipe)...

After reading additional posts/threads, though not specific to my D722 engine, it appears I'll need to remove the gear case, and replace the crankshaft collar, O-ring, front oil seal, and gear case gasket... I did locate a posting/thread regarding any specific warnings on gear case R&R. Is...

I've had no luck locating the source of an oil leak on the front of my BX 1800 (D722) engine. Based on the oil trails, it possibly is coming from a seal behind the pulley (please see photo). The fan's airflow has pushed leaked oil across most of the lower portion of the engine. Any/all...