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d) Secure filter (14) / clamp (16) assembly to clamp (21) using bolt (23), washer (19) and new nut (18). e) Connect hose (15) to filter (14) and secure with clamp (1). f) Connect hose (3) to filter (14) and secure with clamp (2). 7) Make sure all the tools and materials are removed and the work area is clean and free from debris. 8) Install engine cowlings - refer to 71-10-01. 9) Perform a maintenance run-up - refer to 05-30-01. 10) Test the normal distribution system - refer to 37-11-00. 11) Remove engine cowling 121 - refer to 71-10-01. 12) Check for leaks at the vacuum pump drive. 13) Install engine cowling 121 - refer to 71-10-01. EMERGENCY DISTRIBUTION DESCRIPTION AND OPERATION 1. GENERAL In addition to the normal system, the aircraft can be equipped with an emergency vacuum system which supplies the power necessary for the operation of the gyroscopic instruments and of the directional gyro indicator in case of failure of the normal system pump. The system consists of : - B59 electromechanical vacuum pump, - K59 relay, - by-pass valve, - the normal distribution system assembly, - S59 "AUX SUCT" switch. The system is electrically supplied by "BUS 3" bar. 2. LOCATION (Figure 1) COMPONENT QTY AREA ACCESS DOOR REFERENCE B59 electromechanical vacuum pump 1 210 218 37-12-01 K59 relay 1 210 218 37-12-00 By-pass valve 1 250 211L 37-12-00 Normal distribution system assembly 1 100 / 230 211L 37-11-00 S59 "AUX SUCT" switch 1 250 254L 37-12-00 Circuit breakers : - CB 59 "AUX SUCT" / PL1 / WM - CB 58 "AUX SUCT" / PL1 / WM 3. DESCRIPTION |
