TM 10-3930-664-24 6. Remove screw (19) from sideshift cylinder clevis. 7. Remove chain roller (20) from clevis by driving out shaft (21).   Remove bearings (22) and bushings (23). 8. Carefully slide sideshift cylinder (15) out of carrier. 9. Remove elbows (24) and fittings (26) from sideshift cylinder (15).   Remove and discard O-rings (25). B. CLEANING Clean sideshift cylinder and related components in accordance with paragraph 1-24. C. INSPECTION Inspect   sideshift    cylinder    and   related components in accordance with paragraph 1-24. D. INSTALLATION 1. Install elbows (24), fittings (26), and new O-rings  (25) into sideshift  cylinder  (15). Ensure proper orientation. 2. Carefully slide sideshift cylinder (15) into carrier.   Position cylinder into carrier end plate. 3. Thread left sideshift chain through inside groove on chain roller (20). 4. Install chain roller (20) onto clevis using shaft (21), bearings (22), and bushings (23). 5. Align punch mark on shaft (21) with screw (19) and install screw into sideshift cylinder clevis.   Torque screw to 70 in-lbs. 6. Position right sideshift chain over chain roller (20). 2-447