40hp 1990 Johnson WP Impeller help

CocoaBear

Cadet
Joined
Sep 17, 2011
Messages
17
I am having a great deal of trouble installing a new water pump impeller. The key just won't slide into the cutout in the brass collar when the impeller is being installed.

I have the small cutout part of the brass collar pointing in the direction of clockwise (to the left). I have the small portion of the wedge key pointing toward clockwise (to the left) as you look down on the shaft.

I have an M&R manual and it says to hold the key with Johnson grease, tried that and it failed. I've gone so far as to use a very thin double sided tape and it still shoves out when the impeller is installed. I'm trying to hold the key into position with the blade of a small screwdriver and it still shoves it out.

I'd hate to do this on the water.

Could someone please tell me the secret to installing the impeller???
 

CocoaBear

Cadet
Joined
Sep 17, 2011
Messages
17
Re: 40hp 1990 Johnson WP Impeller help

Please help with this problem! My Son thinks I can't finish anything I start.
 
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