TM   10-3930-638-24&P 3-27. SEPARATION OF FRONT AND REAR CHASSIS (cont) 5 STEP LOCATION ITEM ACTION REMARKS CLEANING   (cont) WARNING (cont) Wear safety glasses when drying parts with compressed air. Failure to do so could cause serious injury to eyes and possible blindness. If you hurt your eyes or if a foreign object is blown into your eyes, seek  medical  attention  immediately. 6 All other parts Clean Use cleaning solvent P-D-680. Dry thoroughly with moisture free com- pressed  air INSPECTION 7 Two pivot bearings (7) Inspect Replace if cracked, worn or deteriorated 8 All other parts Inspect Replace  if  worn,  or  if  threads  damaged INSTALLATION 9 Rear  chassis a. Two grease fittings (9) Install and tighten Until securely mounted, with fitting inlet facing left or right side of vehicle b. Pivot bushing (8) Install Press into lower pivot bearing (7) c. Two pivot bearings (7) Install Press into pivot bores in rear chassis 10 Front chassis Front  chassis Position Push against rear chassis until upper and lower  pivot  bores  are  aligned 11 Rear  chassis a. Upper pivot pin (2) Install If necessary, gently tap into bearing (7) using hammer b. Retaining ring (1) Install Use snap ring pliers c. Lower pivot pin (6), Install If necessary, gently tap into bushing (8) with  washer  (4),  and using hammer spacer (5) d. Spacer (5), washer (4), Install and tighten Tighten lock nut (3) and lower pivot pin and lock nut (3) (6) to 340-360 pounds foot torque 3-193