Farr HD8625 - Page 52

3.10
hD8625 8-
5
/
8
” 35K Tong
Technical Manual
REMOVAL OF TOP PLATE (Continued):
14. Removethetwo10-24x3/4”hexsocketheadcapscrewssecuringthetopclutchbearingretainertothetopplate.
15. Removethetopclutchbearingretainer,andbearingretainerspacer.Thetopclutchbearingandclutchbearingbushingmaycome
offwiththebearingretainer.
16. Removethe1-1/4”nylocknutandthethree5/8”boltssecuringthepinionidlerhalf-moonpad.
17. Pullthetoppiniongearbearingcapbyremovingthefour1/2”boltswhichsecurethebearingcap.Threadtwooftheremovedbolts
intotheextraholesontopofthebearingcap,andusethemasliftinglugstoliftthebearingcapoutofplace.
IF THE BEARING REMAINS ATTACHED TO THE GEAR SHAFT AFTER THE BEARING CAP IS
PULLED, FARR® SERVICE PERSONNEL RECOMMENDS LEAVING IT IN PLACE UNTIL THE
TOP TONG PLATE IS REMOVED.
18. Removethejawpivotboltsandthejawassemblies.
19. Ensurethebottomcageplateissupportedbeforebeginningthisstep.Removethetwofrontcageplateboltandnutsets.Remove
thebackingpinassemblyandtherearcageplatebolt,andthecageplatespacers.Thetopandbottomcageplatesmaynowbe
removed-Notethatthecamfollowersarefastenedtothetopandbottomcageplates,sousecautionnottodamagethem.
20. Removethetopnutsandpadsfortherotaryidlergears.
21. Removetheremainingtoprollershaftnuts.Notethatthetopbrakebandadjustmentlugweldmentsareremovedatthispoint.
22. Loosen,butdonotremovethedetentboltonthetopshifterlugweldment.Oncetheforcefromthedetentballhasbeenremoved
fromtheshiftershaft,thetopshifterbushingcanbeun-threadedfromthetopplate.Takecarenottolosethedetentballwhenthe
bushingcomesfreeoftheshaft.
23. Removethehexheadboltsandhexflatheadcapscrewsaroundtheperimeterofthetongthatsecurethetopplate.
24. Withalltheabovestepstaken,thetoptongplatecanbeliftedoffprovidingaccesstotheinsideofthegearcase.
THE CAGE PLATE BOLTS ARE THE ONLY ITEMS FASTENING THE BOTTOM CAGE PLATE
TO THE TONG. SUPPORT THE BOTTOM CAGE PLATE FROM BELOW PRIOR TO REMOVING
CAGE PLATE BOLTS IN ORDER TO PREVENT DAMAGE TO THE BOTTOM CAGE PLATE OR
PERSONAL INJURY TO THE MECHANIC
MainTenance