71-00 Power Plant - Cirrus Design Authorized Service Center Home
Transcription
71-00 Power Plant - Cirrus Design Authorized Service Center Home
CIRRUS AIRPLANE MAINTENANCE MANUAL MODEL SR20 POWER PLANT 1. GENERAL This chapter describes maintenance practices for the airplane systems which provide the means to induce and convert fuel-air mixture into power such as the engine, baffling, cowling, mount, attach fittings, electrical harnesses, air intake, and engine drains. 2. DESCRIPTION A. Engine The airplane is powered by a Teledyne Continental IO-360-ES engine. The engine is a six cylinder, horizontally opposed, fuel injected, air-cooled, wet sump, power plant incorporating a down01 May 2012 induction system, tuned exhaust, and provisions for front and rear mounted accessories. (See Figure 71-001) (See Figure 71-002) (See Figure 71-003) B. Baffling Sheet metal baffles are installed on the engine to direct the air flow around the cylinders and other engine compartment components. To help direct and contain air flow in the engine compartment, the baffles utilize fiber reinforced silicon seals in contact with the cowling around the circumference of the engine. EFFECTIVITY: All 71-00 Page 1 01 Jan 2012 CIRRUS AIRPLANE MAINTENANCE MANUAL MODEL SR20 3. TROUBLESHOOTING TROUBLE Engine will not start. PROBABLE CAUSE REMEDY Improper use of starting procedure. Review starting procedure. See POH. Fuel tank empty. Inspect and fill tank. (Refer to 1210) Mixture control in SHUTOFF posi- Advance mixture control to RICH tion. position. Engine will not run at idle RPM. 71-00 Page 2 15 Jun 2010 Fuel selector valve in OFF position. Place selector valve in ON position to tank known to contain fuel. Fuel vaporization. Turn boost pump ON. Engine flooded. Turn off boost pump and ignition switch. Advance throttle to full OPEN, retard fuel control to full LEAN, and crank engine to clear cylinders of excess fuel. Repeat starting procedure. Water in fuel system. Sample fuel. See POH. If water present, drain and flush fuel system. (Refer to 12-10) Fuel contamination. Drain and flush fuel system. (Refer to 12-10) Defective magneto switch or grounded magneto leads. Check continuity. Repair or replace switch or leads. Spark plugs fouled. Remove, clean, and re-gap. Refer to the engine manufacturer's approved service instructions. Excessive starter slippage. Replace starter adapter. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Defective ignition system. Inspect and replace necessary components. (Refer to 74-00) Induction system leak. Inspect hose for cracks. Tighten or replace loose or damaged hose connections. Fuel system malfunction. Isolate cause and correct. Fuel injection system improperly adjusted. See “Engine Fuel System Troubleshooting.” (Refer to 73-00) Air leak in intake manifold. Torque loose connection or replace malfunctioning part. EFFECTIVITY: All CIRRUS AIRPLANE MAINTENANCE MANUAL TROUBLE Rough idling. PROBABLE CAUSE MODEL SR20 REMEDY Fuel injection system improperly adjusted. Adjust fuel system. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Mixture levers set for improper mixture. Review mixture control. See POH. Fouled Spark Plugs. Remove, clean and adjust gaps. (Refer to 74-20) Hydraulic tappets fouled. Replace fouled tappets. Inspect and clean oil filter at more frequent intervals. Burned or warped exhaust valves Inspect, repair or replace cylinder. worn seat, scored valve guides. Replace any burned, warped or worn exhaust valves. Engine runs too lean at cruising power. Manifold valve vent obstruction. Repair or replace manifold valve. Fuel flow reading too low. Check fuel strainer for clogging. Clean screen. Fuel injection malfunction. Inspect and replace necessary components. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Cracked induction tube. Inspect, repair, or replace induction tube. Improper manual leaning procedure. Review leaning procedure. See POH. Fuel injection system maladjusted. Adjust fuel system. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Engine runs too rich at cruising power. Restrictions in air intake passages. Check passages and remove restrictions. Improper manual leaning of Fuel/ Review leaning procedure. See Air mixture. POH. Cracked induction tube. Inspect, repair, or replace induction tube. Engine runs too lean or too rich at Fuel injection system maladjusted. See “Engine Fuel System Troublethrottle setting other than cruise. shooting”. (Refer to 73-00) Continuous fouling of spark plugs. Piston rings excessively worn or broken. EFFECTIVITY: All Replace rings. Replace cylinder if damaged. Piston rings are not seated. Hone cylinder walls and replace rings. Running the engine too rich. Review engine operation. See POH. 71-00 Page 3 15 Jun 2010 CIRRUS AIRPLANE MAINTENANCE MANUAL TROUBLE Engine runs rough at high RPM. PROBABLE CAUSE MODEL SR20 REMEDY Loose mounting bolts or damaged Torque mounting bolts. Replace mount pads. mount pads. (Refer to 71-20) Plugged fuel nozzle jet. Inspect and clean as necessary. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Propeller out of balance. Perform Adjustment/Test Dynamic Balance. (Refer to 6110) Ignition system malfunction. See Ignition “Troubleshooting”. (Refer to 74-00) Continuous missing at high RPM. Broken valve spring. Replace as necessary. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Plugged fuel nozzle jet. Inspect and clean as necessary. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Burned or warped valve. Repair or replace cylinder. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Hydraulic tappet dirty or worn. Remove and replace. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Ignition system malfunction. Inspect and replace necessary components. (Refer to 74-00) Sluggish operation and low power. Restriction in air intake passages. Inspect and clear obstruction. Ignition system malfunction. Inspect and replace necessary components. (Refer to 74-00) Fuel injection system maladjusted. Inspect and replace necessary components. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Valve seats worn and leaking. Pis- Borescope cylinders and check ton rings worn or stuck in grooves. compression. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Throttle not full open. 71-00 Page 4 15 Jun 2010 EFFECTIVITY: All Check and adjust linkage. (Refer to 76-10) CIRRUS AIRPLANE MAINTENANCE MANUAL TROUBLE High cylinder head temperature. PROBABLE CAUSE MODEL SR20 REMEDY Low octane fuel. Drain tanks and replace with correct fuel grade. (Refer to 12-10) Cylinder baffle seals leaking or mis-positioned. Inspect and repair cylinder baffles. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Debris between cylinder fins. Thoroughly inspect and clean cylinder fins. Excessive carbon deposits in cyl- Inspect ignition and fuel injections inder head and on pistons. system. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Magnetos out of time. Re-time ignition system internally and externally. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Magneto distributor block contami- Replace magneto. nation. (Refer to 74-10) Oil leaks. Exhaust system gas leakage. Inspect and repair. (Refer to 78-20) Exhaust valve leaking. Inspect and repair cylinder. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Lean fuel/air mixture. Review leaning procedure. See POH. At front of engine, damaged crankshaft oil seal. Replace crankshaft oil seal. Around plugs, fittings, and gaskets Torque or replace. due to looseness or damage. Low compression. EFFECTIVITY: All Piston rings excessively worn. Inspect, repair or replace cylinder. Replace piston rings. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Valve faces and seats worn. Inspect, repair or replace cylinder. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Excessively worn cylinder walls. Replace cylinder and piston rings. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. 71-00 Page 5 15 Jun 2010 CIRRUS AIRPLANE MAINTENANCE MANUAL TROUBLE Poor idle cut-off. PROBABLE CAUSE MODEL SR20 REMEDY Worn or improperly rigged mixture control. Inspect cable. Replace worn linkage (if necessary). Rig properly. (Refer to 76-10) Engine driven fuel pump improperly adjusted. Adjust fuel pump. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Fuel manifold valve not seated tightly. Replace manifold valve. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Climbing to altitude, fuel flow fluc- Fuel vaporization. tuates. Operate fuel boost pump. See POH. Low fuel pressure. Incorrect fuel pump adjustment. Check and adjust fuel pump. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Malfunctioning fuel pump relief valve. Replace fuel pump. Obstruction in fuel line. Clear obstruction or replace fuel line. High fuel pressure. Malfunctioning relief valve opera- Replace fuel pump. tion in fuel pump. Restricted recirculation passage in Replace fuel pump. fuel pump. Incorrect fuel pump adjustment. 71-00 Page 6 15 Jun 2010 EFFECTIVITY: All Check and adjust fuel pump. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. CIRRUS AIRPLANE MAINTENANCE MANUAL TROUBLE PROBABLE CAUSE MODEL SR20 REMEDY Fluctuating fuel pressure. Vapor in fuel system, excessive fuel temperature. Normally, operating the auxiliary pump will clear system. Operate boost pump. See POH. Engine has poor acceleration. Idle mixture too lean. Check RPM rise and idle cutoff. Adjust idle mixture. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Worn control linkage. Replace worn elements of linkage. (Refer to 76-10) Restricted air cleaner. Service air filter. (Refer to 71-60) Malfunctioning ignition system. Check ignition cables and connections. Replace malfunctioning spark plugs. (Refer to 74-00) Improper Fuel/Air mixture. Check fuel manifold connections for leaks. Torque loose connections. Check fuel control/metering unit and linkage for setting and adjustment. Refer to the engine manufacturer's approved service instructions. Check fuel filters and screens for debris. Check for proper fuel pump pressure. Restricted fuel nozzle jet. Clean. Replace nozzle if obstruction cannot be cleared by solvent action. Ignition system and spark plugs malfunctioning. Clean, regap and test spark plugs. Inspect, test and repair ignition system. Replace components as required. (Refer to 74-00) Engine runs rough at above idle RPM. Engine lacks power, reduction in maximum manifold pressure. EFFECTIVITY: All Incorrectly adjusted throttle control Check movement of linkage by linkage. moving control from idle to full throttle. Replace worn components. (Refer to 76-10) Dirty air filter. Service air filter in accordance with the manufacturer’s approved Instructions For Continued Airworthiness. (Refer to 71-60) Fuel manifold valve sticking or obstructed. Replace manifold valve. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. 71-00 Page 7 15 Jun 2010 CIRRUS AIRPLANE MAINTENANCE MANUAL TROUBLE Low oil pressure indication on engine gage. MODEL SR20 PROBABLE CAUSE REMEDY Low oil supply. Oil viscosity too low. Replenish. Drain and refill with correct viscosity. Adjust oil pressure in accordance with the manufacturer’s approved Instructions For Continued Airworthiness. Malfunctioning oil pump. Repair or replace oil pump. Weak or broken oil pressure relief Replace spring. valve spring. High oil temperature indication. Engine starts but dies or will not idle. Prolonged ground operation. Limit ground operation to a minimum. Malfunctioning gage or bulb unit. Inspect wiring, bulb unit, and gage. Climb angle too high. Reduce climb angle. Obstruction on oil cooler. Inspect for obstruction and remove. Insufficient baffle sealing in area of oil cooler. Inspect, repair, or replace engine baffling. Low oil supply. Replenish. Idle fuel adjustment screw incorrectly adjusted. Adjust screw. Refer to the manufacturer’s approved Instructions For Continued Airworthiness. Spark plugs fouled. Remove, clean, and re-gap. (Refer to 74-20) Water in fuel system. Sample fuel. See POH. If water present drain and flush fuel system. (Refer to 12-10) Defective ignition system. Inspect and replace necessary components. (Refer to 74-00) Fuel system defective or contami- Inspect, drain and flush fuel sysnated. tem. (Refer to 12-10) 71-00 Page 8 15 Jun 2010 Fuel vaporization. Operate boost pump. See POH. Air leak in intake manifold. Tighten loose connection or replace malfunctioning part. EFFECTIVITY: All CIRRUS AIRPLANE MAINTENANCE MANUAL MODEL SR20 6 3 2 5 4 1 7 8 9 10 11 12 13 14 15 LEGEND 1. Alternator Sheave 2. Throttle Body 3. Throttle Control Cable 4. Vacuum Pump 5. Battery 6. Master Control Unit 7. Governor 8. Exhaust Gas Temperature Probe 9. Valve Cover 10. Lower Spark Plug 11. Oil Pressure Sensor 12. Cylinder Head Temperature Sensor 13. Governor Control Cable 14. Crankcase Oil Drain 15. Exhaust Collector 16. External Power Receptacle 17. Tailpipe 16 17 Serials 1005 thru 1267. SR20_MM71_1096 Figure 71-001 Engine Components - Serials 1005 thru 1267 (Sheet 1 of 4) EFFECTIVITY: Serials 1005 thru 1267 71-00 Page 9 15 Jun 2010 CIRRUS 18 23 AIRPLANE MAINTENANCE MANUAL 20 19 24 MODEL SR20 21 22 26 25 23 AFT VIEW LEGEND 18. Oil Separator 19. Left Magneto 20. Tachometer Sensor Assembly 21. Right Magneto 22. Starter 23. Engine Mount Isolator 24. Engine Mount Weldment 25. Oil Filter 26. Auxiliary Alternator (if installed) Serials 1005 thru 1267. Figure 71-001 Engine Components - Serials 1005 thru 1267 (Sheet 2 of 4) 71-00 Page 10 15 Jun 2010 EFFECTIVITY: Serials 1005 thru 1267 SR20_MM71_1097 CIRRUS AIRPLANE MAINTENANCE MANUAL 28 27 MODEL SR20 30 29 34 31 33 32 FRONT VIEW LEGEND 27. Engine Baffle 28. Alternator 29. Oil Separator Line 30. Propeller Mount 31. Heater Muffler 32. Oil Separator Vent Line 33. Muffler 34. Backup Vacuum Pump Serials 1005 thru 1267. SR20_MM71_1098 Figure 71-001 Engine Components - Serials 1005 thru 1267 (Sheet 3 of 4) EFFECTIVITY: Serials 1005 thru 1267 71-00 Page 11 15 Jun 2010 CIRRUS AIRPLANE MAINTENANCE MANUAL 35 MODEL SR20 36 37 38 39 40 41 42 50 43 LEGEND 35. Vacuum Manifold 36. Induction Duct Assembly 37. Alternate Air Duct 38. Oil Cooler 39. Oil Filler Port 40. Dipstick 41. Wiring Harness 42. Intake Manifold 43. Plenum Chamber 44 45 47 46 48 44. Fuel Boost Pump 45. Induction Air Filter 46. Manifold Air Pressure Sensor 47. Fuel Line 48. Upper Spark Plug 49. Fuel Pump 50. Fuel Manifold Valve Serials 1005 thru 1267. Figure 71-001 Engine Components - Serials 1005 thru 1267 (Sheet 4 of 4) 71-00 Page 12 15 Jun 2010 49 EFFECTIVITY: Serials 1005 thru 1267 SR20_MM71_1099 CIRRUS AIRPLANE MAINTENANCE MANUAL 3 2 MODEL SR20 5 4 1 6 7 8 9 10 11 12 13 14 LEGEND 1. Alternator Sheave 2. Throttle Body 3. Throttle Control Cable 4. Alternator 5. Battery 6. Governor 7. Exhaust Gas Temperature Probe 8. Valve Cover 9. Lower Spark Plug 10. Oil Pressure Sensor 11. Cylinder Head Temperature Sensor 12. Governor Control Cable 13. Crankcase Oil Drain 14. Exhaust Collector 15. External Power Receptacle 16. Master Control Unit 17. Tailpipe 15 16 Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics 17 SR20_MM71_1582A Figure 71-002 Engine Components - Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics (Sheet 1 of 4) EFFECTIVITY: Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics 71-00 Page 13 15 Jun 2010 CIRRUS 18 23 AIRPLANE MAINTENANCE MANUAL 20 19 24 MODEL SR20 21 22 23 25 AFT VIEW LEGEND 18. Oil Separator 19. Left Magneto 20. Tachometer Sensor Assembly 21. Right Magneto 22. Starter 23. Engine Mount Isolator 24. Engine Mount Weldment 25. Oil Filter Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics SR20_MM71_1583A Figure 71-002 Engine Components - Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics (Sheet 2 of 4) 71-00 Page 14 15 Jun 2010 EFFECTIVITY: Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics CIRRUS AIRPLANE MAINTENANCE MANUAL 26 30 27 MODEL SR20 29 28 31 32 FRONT VIEW LEGEND 26. Engine Baffle 27. Alternator 28. Oil Separator Line 29. Propeller Mount 30. Heater Muffler 31. Oil Separator Vent Line 32. Muffler Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics SR20_MM71_1584A Figure 71-002 Engine Components - Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics (Sheet 3 of 4) EFFECTIVITY: Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics 71-00 Page 15 15 Jun 2010 CIRRUS AIRPLANE MAINTENANCE MANUAL 34 33 35 MODEL SR20 36 37 38 39 47 40 LEGEND 33. Induction Duct Assembly 34. Alternate Air Duct 35. Oil Cooler 36. Oil Filler Port 37. Dipstick 38. Wiring Harness 39. Intake Manifold 40. Plenum Chamber 41 42 44 43 45 46 41. Fuel Boost Pump 42. Induction Air Filter 43. Manifold Air Pressure Sensor 44. Fuel Line 45. Upper Spark Plug 46. Fuel Pump 47. Fuel Manifold Valve Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics SR20_MM71_1585A Figure 71-002 Engine Components - Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics (Sheet 4 of 4) 71-00 Page 16 15 Jun 2010 EFFECTIVITY: Serials 1268 thru 2015, 2016 & subs w/o Perspective Avionics CIRRUS AIRPLANE MAINTENANCE MANUAL MODEL SR20 5 3 2 1 6 7 8 9 10 11 12 13 14 4 LEGEND 1. Alternator Sheave 2. Throttle Body 3. Throttle Control Cable 4. Alternator 5. Battery 6. Governor 7. Exhaust Gas Temperature Probe 8. Valve Cover 9. Lower Spark Plug 10. Oil Pressure Sensor 11. Cylinder Head Temperature Sensor 12. Governor Control Cable 13. Crankcase Oil Drain 14. Exhaust Collector 15. External Power Receptacle 16. Master Control Unit 17. Tailpipe 15 Serials 2016 & subs w/ Perspective Avionics 16 17 SR20_MM71_3035 Figure 71-003 Engine Components - Serials 2016 & subs w/ Perspective Avionics (Sheet 1 of 4) EFFECTIVITY: Serials 2016 & subs w/ Perspective Avionics 71-00 Page 17 15 Jun 2010 CIRRUS AIRPLANE MAINTENANCE MANUAL 18 19 MODEL SR20 26 21 22 20 23 25 24 23 AFT VIEW LEGEND 18. Oil Separator 19. Left Magneto 20. Tachometer Sensor Assembly 21. Right Magneto 22. Starter 23. Engine Mount Isolator 24. Engine Mount Weldment 25. Oil Filter 26. Compressor NOTE Serials w/ Air Conditioning. Serials 2016 & subs w/ Perspective Avionics SR20_MM71_3036A Figure 71-003 Engine Components - Serials 2016 & subs w/ Perspective Avionics (Sheet 2 of 4) 71-00 Page 18 19 Sep 2010 EFFECTIVITY: Serials 2016 & subs w/ Perspective Avionics CIRRUS AIRPLANE MAINTENANCE MANUAL 27 28 30 29 31 MODEL SR20 32 33 FRONT VIEW LEGEND 27. Engine Baffle 28. Alternator 29. Oil Separator Line 30. Propeller Mount 31. Heater Muffler 32. Oil Separator Vent Line 33. Muffler Serials 2016 & subs w/ Perspective Avionics SR20_MM71_3037A Figure 71-003 Engine Components - Serials 2016 & subs w/ Perspective Avionics (Sheet 3 of 4) EFFECTIVITY: Serials 2016 & subs w/ Perspective Avionics 71-00 Page 19 19 Sep 2010 CIRRUS AIRPLANE MAINTENANCE MANUAL 35 34 36 MODEL SR20 37 38 39 40 48 41 LEGEND 34. Induction Duct Assembly 35. Alternate Air Duct 36. Oil Cooler 37. Oil Filler Port 38. Dipstick 39. Wiring Harness 40. Intake Manifold 41. Plenum Chamber 42 43 45 44 46 47 42. Fuel Boost Pump 43. Induction Air Filter 44. Manifold Air Pressure Sensor 45. Fuel Line 46. Upper Spark Plug 47. Fuel Pump 48. Fuel Manifold Valve Serials 2016 & subs w/ Perspective Avionics SR20_MM71_3038A Figure 71-003 Engine Components - Serials 2016 & subs w/ Perspective Avionics (Sheet 4 of 4) 71-00 Page 20 19 Sep 2010 EFFECTIVITY: Serials 2016 & subs w/ Perspective Avionics CIRRUS AIRPLANE MAINTENANCE MANUAL MODEL SR20 4. MAINTENANCE PRACTICES A. Engine (1) Removal - Engine CAUTION: Place a tail stand of suitable capacity under tail of airplane before removing engine. Note: Label each component when disconnected to facilitate reinstallation. Protect openings exposed as a result of removing or disconnecting components against entry of foreign material by installing covers or sealing with tape. (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (k) (l) Place all electrical switches in the cockpit in the OFF position. Serials 2065 & subs w/ Air Conditioning: Pull COMPRESSOR/CONTROL PANEL circuit breaker. Set fuel selector valve to the OFF position. Remove engine cowling. (Refer to 71-10) Remove battery. (Refer to 24-30) Drain gascolator and fuel lines. (Refer to 12-10) Drain engine oil sump. (Refer to 12-10) Remove spinner and propeller. (Refer to 61-10) Disconnect magneto primary lead wires at magnetos. (Refer to 74-10) Disconnect electrical cable at starter. (Refer to 80-10) Disconnect exhaust gas temperature probe. (Refer to 77-20) Remove exhaust system. (Refer to 78-10) CAUTION: (m) (n) (o) (p) (q) (r) (s) (t) (u) (v) (w) EFFECTIVITY: All When removing throttle and governor control cables, note EXACT size, position, and number of attaching washer or spacers for reference on reinstallation. Use care to avoid bending cable controls too sharply. Disconnect throttle and mixture control cables at engine. Remove clamps securing cables to engine and pull cables aft, clear of engine. (Refer to 76-10) Disconnect governor control cable at governor. (Refer to 61-20) Disconnect alternate air control cable at induction duct assembly. (Refer to 71-60) Serials 2065 & subs w/ Air Conditioning: Disconnect compressor. (Refer to 21-50) 1 Discharge air conditioning system. (Refer to 12-10) 2 Disconnect resistor wire from wire harness. 3 Disconnect compressor hoses from firewall. 4 Cap fittings and hoses. Disconnect all environmental air flexible hoses and ducts and remove from airplane. (Refer to 21-00) Disconnect tachometer sensor lead at connector. (Refer to 77-10) Disconnect manifold air pressure sensor lead at connector. (Refer to 77-10) Disconnect oil pressure sensor lead at connector. (Refer to 79-30) Disconnect electrical wires at alternator(s). (Refer to 24-30) Disconnect all clamps and ties attaching wires or cables to engine and pull wires and cables aft, clear of engine. Serials 1005 thru 1267: Disconnect vacuum lines at vacuum pumps. (Refer to 37-10) 71-00 Page 21 19 Sep 2010 CIRRUS AIRPLANE MAINTENANCE MANUAL WARNING: (x) (y) (z) (aa) MODEL SR20 Residual oil and fuel draining from engine hoses and lines constitutes a fire hazard. Caution must be used to prevent the inadvertent pooling of such materials when lines or hoses are disconnected. Disconnect oil breather vent line at the oil separator. Disconnect fuel pump supply line at pump and cap line. Disconnect fuel return line at aft baffle and cap line. Disconnect fuel system vent line at tee located beneath engine. CAUTION: Prior to removing engine attach bolts, ensure all hoses, wires, lines, cables, cable ties, and clamps are disconnected or removed from positions which would interfere with engine removal. (ab) Attach hoist at forward and aft lifting rings. (ac) Loosen bolts securing engine to engine mounts. (ad) Lift engine with hoist just enough to relieve weight from engine mounts. CAUTION: (2) Note location and position of engine mount isolators prior to engine removal for reference on reinstallation. (ae) Remove grounding straps, nuts, washers, and bolts securing engine to engine mount. (af) Slowly hoist engine away from airplane, guiding the detached parts out as the engine is removed. (ag) Preserve engine in accordance with the manufacturer’s approved Instructions For Continued Airworthiness. Installation - Engine Note: Remove all protective caps and identification tags as each component is installed. Prior to installing engine, install all components that were removed from engine after engine was removed from airplane. (a) (b) (c) (d) (e) (f) (g) (h) (i) (j) (k) (l) (m) (n) (o) (p) 71-00 Page 22 19 Sep 2010 De-preserve engine in accordance with the manufacturer’s approved Instructions For Continued Airworthiness. Insert all upper isolators onto engine mount points and slowly lower engine onto engine mount weldment so isolators are loosely held in place. Assemble engine mount isolators. (Refer to 71-20) Install engine mount bolts, washers, and nuts. Torque nuts to 450 - 500 in-lb (51 - 56 Nm). (Refer to 71-20) Remove hoist and tail stand. Serials 1005 thru 1267: Connect vacuum lines to vacuum pumps. (Refer to 37-10) Connect oil breather vent line at the oil separator. Connect fuel pump supply line at pump. Connect fuel return line at aft baffle. Connect fuel vent line at tee located beneath engine. Connect alternator leads and wiring at alternator(s). (Refer to 24-30) Connect oil pressure sensor lead. (Refer to 79-30) Connect manifold pressure sensor lead. (Refer to 77-10) Connect tachometer sensor lead. (Refer to 77-10) Attach and connect all environmental air flexible hoses and ducts. (Refer to 21-00) Serials 2065 & subs w/ Air Conditioning: Connect compressor. (Refer to 21-50) EFFECTIVITY: All CIRRUS AIRPLANE MAINTENANCE MANUAL MODEL SR20 1 2 3 (q) (r) (s) (t) (u) (v) (w) (x) (y) (z) (aa) (ab) (ac) (ad) (ae) (af) (ag) (ah) EFFECTIVITY: All Connect resistor wire to wire harness. Remove caps from fittings and hoses. Connect 5/8 inch (19 mm) compressor hose to firewall. Torque hose and fittings to 250 to 350 in-lb (28.2 - 39.5 Nm). 4 Connect 1/2 inch (16 mm) compressor hose to firewall. Torque hose and fittings to 180 to 240 in-lb (20.3 - 27.1 Nm). Connect alternate air control cable at induction duct assembly. (Refer to 71-60) Connect governor control cable. (Refer to 61-20) Connect throttle and mixture control cables. Adjust power control cables. (Refer to 76-10) Install exhaust system. (Refer to 78-10) Connect exhaust gas temperature probe. (Refer to 77-20) Connect starter electrical cable. (Refer to 80-10) Connect magneto primary lead wires. (Refer to 74-10) Install propeller and spinner. (Refer to 61-10) Ensure any other lines, hoses, electrical leads, clamps, and ties disconnected during removal of engine are installed. Fill engine with proper grade and amount of engine oil. (Refer to 12-10) Install battery. (Refer to 24-30) Set fuel selector valve to the ON position, open throttle and mixture to full, turn on electric full pump, and check fuel lines for leaks. Perform Airplane Operational and Functional Check. (Refer to 05-30) Install engine cowling. (Refer to 71-10) Serials 2065 & subs w/ Air Conditioning: Perform Inspection/Check - System Plumbing Refrigerant Leak Test. (Refer to 21-50) Serials 2065 & subs w/ Air Conditioning: Charge air conditioning system. (Refer to 12-10) Serials 2065 & subs w/ Air Conditioning: Reset COMPRESSOR/CONTROL PANEL circuit breaker. Serials 2065 & subs w/ Air Conditioning: Perform Operational Test - Air Conditioning System. (Refer to 21-50) 71-00 Page 23 19 Sep 2010 CIRRUS AIRPLANE MAINTENANCE MANUAL MODEL SR20 B. Engine Baffling (See Figure 71-004) CAUTION: Proper baffling installation and care is critical to engine cooling. If baffles or seals are broken or misshaped, the amount of air flowing past a particular cylinder or component will increase. The increased airflow in one area causes a reduction of airflow past other components and leads to higher temperatures in some parts of the engine. Ensure baffles are installed correctly and seals fit and direct airflow in the proper direction. Various lines, hoses, wires, and controls are routed through some baffles. Ensure that these components are reinstalled correctly after baffle installation. (1) (2) Removal - Engine Baffling (a) Remove engine cowling. (Refer to 71-10) (b) Serials 1005 thru 1147: Remove screws and washers connecting wires to landing light assembly. (Refer to 33-40) (c) Disconnect any lines, hoses, wires, and controls routed through baffling. (d) Remove tension springs. (e) Remove bolts, screws, washers, and nuts securing baffling to engine. (f) Remove baffling from airplane. Installation - Engine Baffling (a) Acquire necessary tools, equipment, and supplies. Description High Temperature Silicone Sealant (b) (c) (d) (e) (f) 71-00 Page 24 15 Jun 2010 P/N or Spec. RTV 736 Supplier Dow Corning Purpose Sealant. Position baffling to engine and secure with bolts, screws, washers, and nuts. Install tension springs. Connect any lines, hoses, wires, and controls routed through baffling. Serials 1005 thru 1147: Install screws and washers connecting wires to landing light assembly. (Refer to 33-40) Install engine cowling. (Refer to 71-10) EFFECTIVITY: All CIRRUS AIRPLANE MAINTENANCE MANUAL MODEL SR20 1 1 7 3 2 Serial 1005 thru 1422. 1 1 6 3 2 4 3 5 2 3 3 4 5 3 4 3 NOTE 6 3 2 Fasten using engine hardware plus washer. Serials 1005 thru 1147. LANDING LIGHT (REF) Serials 1005 thru 1422: Fasten using bolts in place of screws. 4 LEGEND 1. Baffle Assembly 2. Bolt 3. Washer 4. Nut 5. Screw 6. Tension Spring 7. Grommet SR20_MM71_1879A Figure 71-004 Engine Baffling Installation EFFECTIVITY: All 71-00 Page 25 15 Jun 2010 CIRRUS AIRPLANE MAINTENANCE MANUAL Intentionally Left Blank 71-00 Page 26 15 Jun 2010 EFFECTIVITY: All MODEL SR20