JDcrawlers Messageboard

Then would appear to be adjustment problem...unless something came undone or not accomplished????

need more info

Regards...My jd420 ring gear for flywheel...My shop simply heated her up with rosebud torch slipped it off and flipped it over to all new surfaces....like new now..no dead zones ..if they even were..

Well so much for smart computer systems...WHERE is my birthday??? machine must have C>R>S>

OOOPS wasnt there when I first looked!!...Must need to sign in to jog its memory?

WOW!!!!


and welcome back...Glad we can resume some normal function...ifn i can even remember how to upload again...I will have to read my INSTRUCTIONS oncet again!!!

NikinNZ,

review search... posts re..mouse turds and pelletane gasket..whole lot of stories and good info

Just a note to add.. The 4 large bolts that hold the bell housing to the side flanges....are really a P.I.A. to get all of them lined up...the 2 top ones with the centering washers really need installed first....with the centering flange inside the hole and the 4 back at tranny need loosened just a ...

Well Folks, Yup was able to leave fuel tank, dashboard etc. on center housing and move it out enough to locate my spring and cotter key...hooked sleeve and cotter key and bent it over...now it cant spin out....Used my engine hoist...had to put trailer hitch in end of lift to extend enough to get clo...

Well Guys and Gals, We continue with this recalcitrant booger....number one cylinder is cracked...so will get shop to put sleeve in it....once they go thru everything else to see what else..... NOw when i pulled engine...my entire long driveshaft pulled out...left the spring in the sleeve...so i get...

Lavoy,

Yes head was done complete...and valve job..will have engine magnafluxed....text me price on yours.engine so i know what looking at..will find out what mech. shop reveals

copper spray was used..

anyone with possible used 420 engine, if i need blamrd thing?

Well Dag Nab It!! Still getting water in oil...so back to drawing board....engine will go to shop and find problem..magnaflux the dang thing and go from there.... Just in case....anyone have a good 420 engine nearby hereabouts??? Shoulda kept my old 440 spare engine, bell housing and reverser to at ...

ok folks, Here is where we at.....appears that the head bolts did manage to loosen just enough to cause the coolant leak....My regular mechanic (friend) was actually here to help get her started since the old 6 volt system really wants to be hesitant and needs the 12 volt jump push...takes 2 people ...

Well,Guys n Gals, I checked my head bolts and found each one of them just shy of 85ft lbs....on my clicker....I know i tightened each down to 85 ft lbs...Is it possible that these backed off....Before assembly i had run my tap thru each of these bolt holes and blew them out as well... probably shoul...

Well Guys, She finally starts up,,,good oil pressure..30psi., idles nice, old temp gauge still works, ammeter maybe....HOWEVER, we do have a problem...pulled plugs....number one oil and water/coolant in it....number 2 is good...did have machine shop do head and valves...new head gasket...tourqed to ...

bbart, Well best of my knowledge the older models including the 40.s were all without bolt holes....they used a cone shaped pin w/locknut to secure the starters....I took my 40s to a MaDeere shop...that had electrical shop....they literally went thru the thing and even changed out the lever...contac...