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1) 3. Place the column left assembly (30002074) onto the key. (Fig. 2) 4. Install the upper mountingbracket. Use the upper mounting bracket marked R (30002054) for the LHER20. Use the unmarkedupper mounting bracket (30002053) for LHEC30and LHEC20. (Fig. 3) 30001987 8/08 Rev. 4 5. Fasten the upper mounting bracket to the key with a 1/4-20 wing screw and 1/4 flat washer finger tight. (Fig. 3) 6. Fasten the upper mounting bracket to both column assemblies using (2) 1/4-20 wing screws and (2)