High range popping out

Vagabondrobb · Mar 15, 2020

I got stuck in some boggy ground in one of my fields the other day - a lot of angry revving in low range trying to get her free before my neighbour effortlessly pulled me out with his lovely tractor.

Parked up over night, this morning went to drive into town but seems she can’t stay in high range for any useful length of time (pops out as soon as I hit 4th or 5th), and feels like diminished power from the transfer. Feels like if I pull and hold the high range down as I drive it’s less likely to pop out, but that’s just a feeling!

The disco is temporary as I bought her for the engine which I’m fitting into my old ‘proper’ disco... but hadn’t planned to do that until weather is nicer!

Any ideas if this is an easy fix? Linkage issue??

Cheers!

Robb

raywin · Mar 15, 2020

If it's an LT 230 then revving in with the wheels spinning can damage it in a very short time, there used to be a video on YouTube which explained this, but I cant seem to find it.
If one axle is free to spin and the other axle is stuck it hammers the centre diff, which has bronze washers behind the planet gears, these soon give up when subject to this treatment.

Edit
Found it

jamesmartin · Mar 15, 2020

for a start why use low in boggy ground it aint going to help you gain any traction,
try adjusting the hi/lo linkage

Vagabondrobb · Mar 15, 2020

jamesmartin said:
for a start why use low in boggy ground it aint going to help you gain any traction,
try adjusting the hi/lo linkage

jamesmartin said:

for a start why use low in boggy ground it aint going to help you gain any traction,
try adjusting the hi/lo linkage

Click to expand...

Thanks - will have a look!

Re low range: hi range wasn’t giving me the torque I needed to force her forwards/back in the rut - I wanted space to lay some tracks in the ground for traction, which worked fine, but it was a matter of out of the frying pan and into the fire.[/QUOTE]

Vagabondrobb · Mar 15, 2020

raywin said:
If it's an LT 230 then revving in with the wheels spinning can damage it in a very short time, there used to be a video on YouTube which explained this, but I cant seem to find it.
If one axle is free to spin and the other axle is stuck it hammers the centre diff, which has bronze washers behind the planet gears, these soon give up when subject to this treatment.

Edit
Found it

Wow - never heard of this!

kermit_rr · Mar 15, 2020

Lesson to take away seems to be, if you're not on hard ground then engage diff lock, better to let wheels slip as required than over work the diff?

Vagabondrobb · Mar 17, 2020

A little update - the hi/low stick has gone floppy, so can assume the linkage has gone!

Landmark2 · Mar 17, 2020

Could it just be the clevis pin has dropped out?

raywin · Mar 17, 2020

Linkage is pretty crude and can be prone to problems mine was on the defender.

Vagabondrobb · Mar 19, 2020

Haven’t had a chance to look at it yet - it’s stuck in high range and doesn’t seem to be wanting to come out, and as I’m only using her for pulling trailer about on our land it doesn’t feel urgent anymore. Actually thinking I might just get her in the barn and take the plunge (the big engine switch)!

High range popping out

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