Search found 5 matches

by jd450b yellow
Thu Jan 09, 2020 6:04 pm
Forum: Late model JD crawler technical support
Topic: low engine oil pressure
Replies: 3
Views: 2684

Re: low engine oil pressure

raised the front of the 450 yesterday and removed the front skid plate. left it overnight and this evening thought I would start it and when I did the oil pressure came up to over 30 at idle and near 40 at 2000rpm. let run for a half an hour and the oil pressure held. the coolant temp did come up bu...
by jd450b yellow
Tue Jan 07, 2020 6:38 pm
Forum: Late model JD crawler technical support
Topic: low engine oil pressure
Replies: 3
Views: 2684

low engine oil pressure

thought I would move my 450b today while the weather is nice, to exercise the clutch and brakes. oil pressure when parked was 40 psi cold and 35 psi hot. no low or high oil pressure. this does have a turbo on it. on start today pressure came up real slow and only came up to about 25psi and falls to ...
by jd450b yellow
Sat Jan 19, 2019 7:51 pm
Forum: Late model JD crawler technical support
Topic: 450B break drum
Replies: 3
Views: 3970

Re: 450B break drum

Never post fix to rt. side brake problem. Tore part way in, removed rops, fuel, hyd tank took the top plates off housings and examining the brake shoes found the pin had came out of the coupler that hold shoes together. Pulled the shoes out and they looked new. Used a magnet to fish in bottom of hou...
by jd450b yellow
Mon Dec 22, 2014 2:15 pm
Forum: Late model JD crawler technical support
Topic: 450B break drum
Replies: 3
Views: 3970

450b steering brake

when I tighten the brake till I cant move the nut any more, there is still clamping action on the brake band when I pull back on the clutch brake lever. The threads on the brake yoke bolt are bottomed out or are they frozen up and wont turn any more? would think I could tighten them enough the band ...
by jd450b yellow
Sun Dec 21, 2014 6:49 pm
Forum: Late model JD crawler technical support
Topic: 450B break drum
Replies: 3
Views: 3970

450B break drum

Just bought a 450B with the rt. steering clutch not working. Put dozer blade against a big stump, both sides pull strong, pull both levers and both tracks stop. this means clutch packs are not slipping and will disengage, right? Then I removed top cover under seat and side covers at track level, bra...