XP-1200/1500SZ39DF. If The tilt belt is broken1. Turn off the mains power.2. Loosen all the screws (A) and open the right arm cover (B).3. Loosen the screws (C) that fix the bridge.4. Loosen the screws (D).5. Change a new belt (E). Please adjust the tension of the belt properly. Note: do not fix thebelt too tight as it can easily to rupture.6. Reverse the procedures from step 3 to 2.10. Maintenance and CleaningMaintenance:Ignitor Ballast FilterA. As the pictures shown above, please replace the cable or cable joints immediately oncethey’ve turned yellow.B. Do maintain the fixtures every two months and make sure that all the screws andterminals have been locked firmly to make sure the normal performance of the fixtures.Negligence of maintenance would cause malfunction of the fixture.