F 250 2WD Pickup V8-7.3L DSL Turbo VIN F (1994)
Installing Mainshaft Rear Tapered Roller Bearing
20. On 4x4 models, install additional retaining ring in annular groove next to taper roller bearing inner race. Check 5th gear endplay. Endplay should
be 0.0-0.004 inch.
21. On all models, invert mainshaft then secure at input end using suitable soft-jawed vise.
22. Place 1st gear caged needle roller bearings on mainshaft, then the 1st gear over needle roller bearing, taper side up.
23. Place 1st gear synchronizer ring on taper of 1st gear.
24. Heat 1st/2nd synchronizer body, using a suitable gear heater, to approximately 320° F, ensuring not to heat for more than 15 minutes.
Installing Synchronizer Body
25. Position synchronizer body on mainshaft splines, with short lugs on synchronizer ring engaged with gaps on synchronizer body.
26. Push or lightly tap synchronizer body down, until it stops against synchronizer ring.
NOTE: When properly installed, the word " Engine" will be visible on synchronizer body.
27. Install a suitable snap ring, on mainshaft next to 1st/2nd synchronizer body.
28. Clearance between snap ring and synchronizer body should be 0.004 inch or less, Ensure snap ring is free of burrs prior to measuring clearance.
29. Check 1st gear endplay. Endplay should be 0.006-0.014 inch.
30. Position sliding sleeve over synchronizer body, with tapered collar facing downward (toward output end of mainshaft).
