61-20-00 CONTROLLING
Contents
1. Left View 6 Engine y Baffle INTO 11 ol y a di 5 di In l Firewall 10 7 Cockpit Me k E 5 mm q lt pi eg EH E Figure 2 RPM Vernier Control Cable Installation PAGE DATE 24 November 2011 TEMPORARY REVISION N 0E702 TR 01 20111124 CHAPTER 6l PAGE 6 XTRA SERVICE MANUAL EXTRA 330LX 61 20 01 Governor One of the following governors is installed MT Propeller P 880 41 preset for a max 2600 rpm MT Propeller P 880 5 preset for a max 2700 rpm Woodward A 210988 preset for a max 2700 rpm Refer to the MT Propeller Operation and Installation Manual E 1048 for further information NOTE The lever position of the governor actuator is preset Do not change this position 61 20 02 RPM Vernier Control Cable Refer to chapter 20 for general information about handling of control cables Removal 1 Ensure master switch is off Remove engine upper cowling per Chapter 71 Remove main and bottom fuselage cover per Chapter 53 KR LU N Remove cotter pin castle nut washers and bolt from the rod end 1 Figure 2 to governor control lever 2 attachment 5 Loosen counter nut and remove the rod end 1 from the vernier control cable 6 6 Remove rod end counter nut and vernier control cable protective swivel and wiper seal 4 7 Remove clamp block 5 attachment bolt s 8 Remove clamp block from the vernier control cable 6 9 Re2. a a acts 4 Fairesleeve Len eth e dear eee 5 Rear throttle Controllkever E 6 Throttle Control Levers aa nn a es 6 Throttle Control Cable Rigging sn 7 Front Throttle Control ever ona see 58 64 8 Niro ario kone ayers eS kee POR 8 Maxture ONION Mie eters Bits eee 9 Mixture Vernier ControllCable m n a 9 Over travel at Mixture Control Unit 11 Mixture Vernier Control Cable Rigging 2 INDICATING coa ae Wate en 13 SE EE 13 Enel Pressure sense INE E 14 uel Pressure Gauss odo 14 Sense Eine red Oe ts Oy tee OR te 14 binate ele ES PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 73 N 0E702 TR 01 20111124 PAGE 2 XTRA MAINTENANCE MANUAL EXTRA 330LX 73 20 00 73 20 10 CONTROLLING Throttle Refer to figure 1 The throttle is controlled by means of the throttle control levers located on the left side of the cockpit These levers are interconnected by the throttle control linkage The throttle control levers transfer their movements to the throttle by means of the throttle control cable This cable is routed on the left side of the fuselage penetrates the firewall and is then routed centrally below the exhaust muffler to the throttle In the engine compartment this cable is covered with a fire sleeve The cable is attached to the fuselage using clamp blocks at its ends self clinching plastic tiedown straps in the cockpit area and a cushioned clamp at the exhaust muffler Rod ends at both term
3. Reconnect the rod ends Front Throttle Control Lever Removal Installation Ensure master switch is off Remove engine cowling per chapter 71 Remove main fuselage cover per chapter 53 Disconnect the throttle control linkage 3 figure 3 from the front throttle control lever 1 Disconnect the throttle control handle 2 from the front throttle control lever 1 Disconnect throttle control lever attachment by removing cotter pin castle nut washers and bolt 9 and remove throttle control lever Install in reverse sequence of removal Tighten the throttle control lever castle nut 9 slightly Ensure movability of levers Mixture Refer to figure 5 The mixture of the fuel injector servo is controlled by means of the vernier mixture control cable located on the left side of the cockpit red control knob This cable is routed on the left side of the fuselage penetrates PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 73 N 0E702 TR 01 20111124 PAGE 8 XTRA MAINTENANCE MANUAL EXTRA 330LX the firewall and is then routed to the mixture control lever In the engine compartment this cable is covered with a fire sleeve The cable is attached to the fuselage using a clamp block at its front end and self clinching plastic tiedown straps in the cabin area The mixture vernier control unit is mounted to a fuselage bracket The fire wall penetration is sealed with PRC 8 12 Products Research amp Chemical Co
4. 3 from the throttle control lever 5 Loosen counter nut and remove the rod end from the throttle control cable Remove rod end counter nut and throttle control cable protective swivel and wiper seal Remove clamp block 4 attachment bolt s Remove clamp block from the throttle control cable 8 Pull complete throttle control cable aft to remove from aircraft Secure clamp sheets PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 73 N 0E702 TR 01 20111124 PAGE 4 XTRA MAINTENANCE MANUAL EXTRA 330LX Installation Installin reverse sequence of removal observing the following items 1 Install throttle control cable ensure distance between clamp sheet and clamp block is 705 mm refer to figure 2 Front View Firesleeve Sino SuSE ie x E AAA or Throttle control cable Figure 2 Firesleeve Length 2 Renew the sealing of the firewall break through at the en gine side of the firewall Use PRC 812 Products Research amp Chemical Corp USA firewall sealant Let the sealant slightly cure before thightening the clamp sheet attachment bolts This will strengthen the clamping 3 Install both rod ends to the control cable terminals Ensure thread of control cable terminal is visible in the rod end inspection hole 4 Tighten the castle nuts at both rod end attachment bolts slightly Ensure movability of levers PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 73 N 0E
5. XTRA SERVICEMANUAL EXTRA 330LX 61 20 00 CONTROLLING The propeller blade pitch change is conducted by a governor refer to Figure 1 Once an engine rotational speed is selected it will be held constant independent of airspeed or power variations The governor itself is actuated via a vernier control cable ending on the left side of the rear cockpit blue control knob 1 figure 1 amp 8 figure 2 This cable is routed on the left side of the fuselage penetrates the firewall the rear engine baffles and is then routed to the governor The cable is attached at its front end to the engine by a clamp block and in the cockpit area to the steel tube structure by self clinching plastic tiedown straps The RPM vernier control unit is mounted to a fuselage bracket The firewall and engine baffle penetrations are covered with clamp sheets The firewall penetration 2 figure 1 is additionally sealed with PRC 812 Products Research amp Chemical Corp USA firewall sealant Mechanical stops for low pitch and high pitch limit the pitch change level In case the oil pressure is lost the installed counterweights automatically force the blades into high pitch Figure 1 Controlling PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 6l N 0E702 TR 01 20111124 PAGE S XTRA SERVICE MANUAL EXTRA 330LX
6. rod end 2 to mixer control lever 3 attachment Loosen the counter nut and adjust rod end 2 by turning Ensure thread is visible in the inspection hole when fastening Apply inspection lacquer on the counter nut Reconnect the rod end 2 to the mixture control lever 3 PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 73 N 0E702 TR 01 20111124 PAGE 11 XTRA MAINTENANCE MANUAL EXTRA 330LX Figure 7 Mixture Vernier Control Cable Rigging PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 73 N 0E702 TR 01 20111124 PAGE 12
7. 702 TR 01 20111124 PAGE S XTRA MAINTENANCE MANUAL EXTRA 330LX 73 20 12 Rear Throttle Control Lever 1 2 3 5 Sa TT eu sa gt A d Ka Y SS oy A L I e a oe E d IA Sb ER 1 4 a 1 W 7 6 lt gt 4 F a m Figure 3 Throttle Control Levers DI Removal Ensure master switch is off Remove engine cowling per chapter 71 Remove main fuselage cover per chapter 53 Remove cotter pin castle nut washers and bolt 6 figure 3 and the throttle control linkage 3 from the throttle control lever 5 Pull the smoke switch Sa if installed out of the throttle lever handle and disconnect switch wiring Remove intercom switch 5b attachment nut Remove self clinching plastic tiedown straps of related wiring Pull the intercom switch out of the throttle control lever grip Disconnect throttle control lever attachment by removing cotter pin castle nut washers and bolt 7 Remove throttle control lever PAGE DATE 24 November 2011 CHAPTER 73 PAGE 6 TEMPORARY REVISION N 0E702 TR 01 20111124 XTRA MAINTENANCE MANUAL EXTRA 330LX 1 Installation Install in reverse sequence of removal observing the following items Thread the intercom switch Sb figure 3 and the smoke switch 5a wiring through the throttle control lever 5 before mounting the lever to the a
8. ant Tighten the castle nut slightly Ensure movability of governor control lever 2 Rigging Move vernier control knob 8 Figure 2 to the foremost position Check that the travel stop at the governor control lever is reached and the over travel of 5mm 3 16 tolerance 1 mm 1 32 is ensured at the rpm control knob see figure 2 PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 61 N 0E702 TR 01 20111124 PAGE 8 XTRA SERVICE MANUAL EXTRA 330LX 3 4 a b c Check full travel If necessary adjust rod end 1 figure 2 by the following steps Remove cotter pin castle nut washers and bolt from the rod end 1 to governor control lever 2 attachment Loosen the counter nut and adjust rod end 1 by turning Ensure thread is visible in the inspection hole when fastening Apply inspection lacquer on the counter nut Reconnect the rod end 1 to the governor control lever 2 PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 61 N 0E702 TR 01 20111124 PAGE 9 XTRA MAINTENANCE MANUAL EXTRA 330LX Chapter Figure 73 20 00 73 20 10 Figure 1 73 20 11 Figure 2 73 20 12 Figure 3 Figure 4 73 20 12 73 20 20 Figure 5 73 20 21 Figure 6 Figure 7 73 30 00 73 30 10 Figure 8 73 30 11 73 30 12 73 30 15 Table of Contents Title CONTROLLING sores oenen ea 3 MIG are ee ae ee AN oe ee ee eee 3 Mo SCH ae serch als oh tare ea eee ee 3 Throttle ControlCable
9. bracket pull the unit slightly aft about 15cm 0 5ft and then to the LH outside direction Pull complete mixture vernier control cable aft to remove from aircraft Secure clamp sheet Installation Install in reverse sequence of removal observing the following items Thread the respective rear clamp sheet and plastic guidance on the mixture control cable before penetrating the firewall Install rod end to the vernier mixture control cable terminal Ensure thread of control cable terminal is visible in the inspection hole PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 73 N 0E702 TR 01 20111124 PAGE 10 XTRA MAINTENANCE MANUAL EXTRA 330LX Renew the sealing of the firewall break through 2 figure 5 at the engine side of the firewall Use PRC 812 Prod ucts Research amp Chemical Corp USA firewall sealant Tighten the castle nut slightly Ensure movability of mixer control lever 3 figure 7 Rigging Move mixture control knob to the foremost position Check that the travel stop at the mixture control lever is reached and the over travel of 5mm 3 16 tolerance 1 mm 1 32 is ensured at the mixture control knob see figure 6 af 5 mm Figure 6 Over travel at Mixture Control Unit Check full travel If necessary adjust rod end 2 figure 7 by the following steps Remove cotter pin castle nut washers and bolt from the
10. inals of the control cable serve as a means for rigging The fire wall penetration is sealed with PRC 812 Products Research amp Chemical Corp USA firewall sealant and covered with clamp sheets Figure 1 Throttle Control PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 73 N 0E702 TR 01 20111124 PAGE 3 XTRA MAINTENANCE MANUAL EXTRA 330LX 73 20 11 E N 10 11 12 E 14 EN 16 E 18 Throttle Control Cable Refer to chapter 20 for general information about handling of control cables Removal Ensure master switch is off Remove engine cowling per chapter 71 Remove main fuselage cover per chapter 53 Remove cotter pin castle nut washers and bolt from the rod end 2 figure 4 to throttle actuator 1 attachment Loosen counter nut and remove the rod end from the throttle control cable Remove rod end counter nut and throttle control cable protective swivel and wiper seal Remove clamp block 3 attachment bolt s Remove clamp block from the throttle control cable Remove cushioned clamp 4 Cut safety wires and remove fire sleeve from the throttle control cable Remove 4 bolts and firewall sealant of the clamp sheets figure 2 positioned at the firewall break through Mark throttle control cable routing and remove the self clinching plastic tiedown straps in the cabin area Remove cotter pin castle nut washers and bolt and remove the rod end 6 figure
11. move 2 bolts of the clamp sheet attachment positioned at the rear engine baffle break through 11 Disconnect both clamp sheets and contained plastic guidance from the engine baffle PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 61 N 0E702 TR 01 20111124 PAGE 2 XTRA SERVICE MANUAL EXTRA 330LX 10 19 12 13 14 Remove 2 bolts of the clamp sheet attachment positioned at the firewall break through 10 Disconnect clamp sheet and contained plastic guidance from the rear side of the firewall Mark vernier control cable routing and remove the self clinching plastic tiedown straps in the cabin area Remove attachment nut 9 and washer of the vernier control unit 7 To remove vernier control unit from its bracket pull the unit slightly aft about 15cm 0 5ft and then to the LH outside direction Pull complete vernier control cable 6 aft to remove from aircraft Secure clamp sheets Installation Install in reverse sequence of removal observing the following items Thread the respective clamp sheets and plastic guidance on the vernier control cable before penetrating the firewall and the rear engine baffle Install rod end to the vernier control cable terminal Ensure thread of control cable terminal is visible in the inspection hole Renew the sealing of the firewall break through at the engine side of the firewall Use PRC 812 Products Research amp Chemical Corp USA firewall seal
12. rp USA firewall sealant and covered with a clamp sheet Figure 5 73 20 21 Bb o N Mixture Control Mixture Vernier Control Cable Refer to chapter 20 for general information about handling of control cables Removal Ensure master switch is off Remove engine cowling per chapter 71 Remove main and bottom fuselage cover per chapter 53 Remove cotter pin castle nut washers and bolt from the rod end 2 figure 7 to mixer control lever attachment 3 PAGE DATE 24 November 2011 TEMPORARY REVISION CHAPTER 73 N 0E702 TR 01 20111124 PAGE 9 XTRA MAINTENANCE MANUAL EXTRA 330LX 10 11 12 13 14 Loosen counter nut and remove the rod end 2 from the mixture control cable Remove rod end counter nut and mixture vernier control cable protective swivel and wiper seal Remove clamp block 1 attachment bolt s Remove clamp block 1 from the vernier mixture control cable Cut safety wires and remove fire sleeve from vernier mixture control cable Remove 2 bolts of the clamp sheet attachment positioned at the firewall break through 2 figure 5 Disconnect clamp sheet and contained plastic guidance from the rear side of the firewall Mark mixture vernier control cable routing and remove the attachment self clinching plastic tiedown straps in the cabin area Remove attachment nut and washer of the mixture control unit 1 figure 5 To remove mixture vernier control unit from its
13. ttachment bracket 2 Tighten the throttle control lever castle nut 7 slightly Ensure movability of control levers 1 amp 5 Rigging 1 Move the rear throttle control lever 5 figure 3 in idle position parallel to the adjoining fuselage structure steel tube as shown in figure 3 2 Check throttle lever 1 figure 4 of the fuel injector servo reached travel stop for closed throttle 3 Check usable stroke of control cable The over travel of the control cable in retracted and extended position shall be 8 to 13 mm 5 16 1 2 Ref to figure 2 of Chap 20 10 09 N SR i di Actuator A osition Y LATE py i WOT ss SI PA UN vi xo A A 1 3 pa 4 AR 4 lt Figure 4 Throttle Control Cable Rigging PAGE DATE 24 November 2011 CHAPTER 73 PAGE 7 TEMPORARY REVISION N 0E702 TR 01 20111124 XTRA MAINTENANCE MANUAL EXTRA 330LX 73 20 12 73 20 20 4 KR LU N If necessary adjust rod ends 2 figure 4 6 figure 3 to ensure correct over travel by the following steps Remove cotter pin castle nut washers and bolt of the rod end from throttle lever 1 figure 4 and rear throttle control lever 6 figure 3 Loosen the counter nut at rod ends and adjust travel positions and over travel by turning related rod end s Ensure thread is visible in the inspection hole when fastening Apply inspection lacquer on the counter nut
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