How to correctly tighten shank clamp wedge bolts can be found in this public Face Book post on the recommended tightening method for shank clamp wedge bolts
Case IH part number 515815R1
208 - INTERNATIONAL HARVESTER FERTILIZER UNIT (1/58-12/63)
Massey Ferguson Tractors: TO35
Will also fit Allis Chalmers G Model Tractors
Original PTO Shield for Farmall Super A, Super C, 100, 130, 140, 200, 230, 240 Tractors How to correctly tighten shankOriginal IH PTO Shield for IH Farmall and International A, AV, B, BN, C, Super A, Super C, 100, 130, 140, 200, 230, and 240 Tractors. PTO Shield will ONLY fit tractors WITHOUT the Belt Pulley Gearbox. Case IH PTO Shield part number 55403DA.