TM 9-2320-209-34-2-2 FRAME 3 1. Put on bracket (1) and spacers (2). Put in four screws (3) and washers (4) on housing (5). NOTE Follow-on Maintenance Action Required: 1. Replace vertical leveling chain tightening shaft bracket. Refer to TM 9-2320-209-20. 2. Replace horizontal leveling worm drive chains. Refer to TM 9-2320-209-20. 3. Replace vertical leveling worm drive chains. Refer to TM 9-2320-209-20. END OF TASK 17-687