Farr HD8625 - Page 63

Technical Manual
hD8625 8-
5
/
8
” 35K Tong
3.21
Assembly Procedures (continued...):
74. MounttheDVA35hydraulicvalveassemblyonthemountingpostsusingtwo1/2”UNCx4-1/2”hexboltsand1/2”narrowflatwash-
ers.
75. Attachtwo#20(1-1/4”)/1”JICflangeelbows(PN02-9216)tothemotorusing#20splitflangekits(PN02-9217).
76. Connectthesafetydoorvalveblock(PN101-0727)directlytotheflangeelbowsonthehydraulicmotor(theblockwillsitontopof
themotorfollowinginstallation).ConnecttherotationcontrolvalveontheDVA35valveassemblytothesafetydoorblock.
77. Connectthesafetydoorswitchtothesafetydoorblockandhydraulicvalveassembly.Refertohydraulicschematic,orcallMcCoy
Drilling&Completions-Farr®engineeringdepartmentforassistance.
78. Installdesiredjawdiekitinthetongusingthejawpivotbolts(PN1050-C5-28).
MainTenance