Bias Plate

[Lyonbyrd]

Put in a new bias plate & springs the other day as the spring stop on the plate had snapped off. I noticed that 2nd through 3rd isn't that smooth, can the bias plate be adjusted or does it sound like my gears are wearing?

[Pedro_The_Swift]

hmm,, ok I'll ask-

what gearbox is this?

[Lyonbyrd]

It's an R380 gearbox:)

[strangy]

Deleted my post due to it being almost useless:p

[bellmore]

this may help.

[BigJon]

I had the bias plate out of my LT77 gearbox yesterday (fixing a stiff shifter issue). While it was out I fired up the mig welder and put a bit of weld on the corners of the bend to stop some fine cracking that was occuring.

Refitment of the plate was easy, refitment of the springs was a lot harder. To adjust it I followed some instructions I found via google. Put the shifter into 4th gear and hold tension on the gear lever to the right. Tighten the bias plate bolts and test shifter operation.

I found using this technique got the shifter operation spot on, but I am not sure if the R380 adjustment is the same given that reverse is in a different spot.

[BigJon]

You cant adjust the bias plate as such,
cheers

The holes in mine were slightly slotted for adjustment. An online search showed that LT77 and R380 bias plates were the same part number, so I can't see why the R380 one would be any different.

[Lyonbyrd]

this may help.

yes this seems to explain it pretty clearly, I noticed there are meant to be washers under those bolts & I have none, are they metal or rubber? The top left bolt in that diagram looks like it has a rubber washer under it?

[BigJon]

Mine had metal washers under the 4 bias plate bolts. Be aware that if you take the spring retaining bolts it is quite difficult to get them back in with the springs in place.