Re-assembling the oil pump.. 79-00-00 Page 13.
When sliding the oil seal onto the oil pump shaft, there is a feather key groove in the shaft that should be covered with "insulating tape". I presume so that the groove doesn't knick the oil seal as it slides past it. What exactly is "insulating tape" and is it actually necessary, or just a best practice?
by Rotax Wizard » 3 weeks ago
Hi Robert
The injected engines have a seal on the oil pump shaft and the gears are driven by a keyway (feather key groove). They want you to cover the edges of the groove with a very thin "insulating tape" to protect it. Think shinny electrical tape for wire wrap. One small ½ wrap to protect the groove and remove after it is pushed back into place. The seal lips should have some lithium grease on them before you insert the shaft.
Cheers
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