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#85920 03/06/17 10:23 PM
Joined: Feb 2016
Posts: 64
Likes: 1
Trainee
well it's apart came apart fairly straight forward then removed the old grease and cleaned it up
Here's a few pics of the gears ...

[Linked Image]
[Linked Image]
[Linked Image]

Last edited by CyberJack; 04/06/17 12:54 AM.
Portal Box 6
fixin-it #85924 04/06/17 02:02 AM
Joined: Nov 2013
Posts: 6,938
Likes: 304
Forum Historian
Hello fixin-it

The clear message coming out of these posts is the
need to check the oil/grease condition in sealed gearboxes.

The main issue with these boxes seems to be the slipping
out of gear
- as in the ball-and-spring not acting on a good
lever indent; or the poor condition of the dog clutch.

The second issue is revealed by user habits:
Changing gear 'on the run' is different from changing
gear when the mower is stationary.

The bevel gears seem usable; I'm not sure about the pinion.
Engineer Gadge has covered the correct lubricant on ODK.

Please let us know what transpires.
----------------------------------------
Jack



fixin-it #85993 06/06/17 07:26 AM
Joined: Feb 2016
Posts: 64
Likes: 1
Trainee
well took the bevel gears and pinion round to the engineering shop and he had a good look at them and reckons they don't need anything done to them he would class it as normal or minimal wear and to give the box a good clean to remove the old grease and then put it back to gether and fill with liquid type grease and it should be fine .
he did say it may have been the old grease that caused the problem other than that he could see no obvious problems with the gears or pinion .
so I will get new nuts & bolts then put it back together .


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