b. Cleaning and Inspection.(1) Clean the pulley thoroughly.( 2 ) I n s p e c t t h e p u l l e y f o r c r a c k s , b r e a k s,dam aged threads, and other damage.c. Installation. Refer to figure 4-6 and install thestarter pulley. (Installation procedure is reverse ofrem oval ).4-18. Air Shrouda. Removal.(1) Remove the starter pulley (para 4-17).(2) Refer to figure 4-6 and remove the airshroud, ignition switch, and bracket.b. Cleaning and Inspection.(1) Clean and dry all parts thoroughly.(2) Inspect the air shroud for cracks, breaks,dents, and distortion.(3) Inspect the mounting hardware for cracksand for damaged threads. Replace defective parts.c. Installation.(1) Refer to figure 4-6 and install the airshroud. ignition switch,and bracket (installationprocedure is reverse of removal).(2) Install the starter pulley (para 4-17).Section IX. ENGINE IGNITION SYSTEM4-19. GeneralThe ignition system consists of the magneto, sparkplug, ignition cable, and the ignition switch. Theseare all shielded to provide radio suppression.4 - 2 0 . S p a r k P l u g , I n g n i t i o n C a b l e , a ndIgnition Switch with Ground Cablea. Removal. Refer to figure 4-7 and remove thespark plug, ignition cable, and ignition switch andground cable.Figure 4-7. Spark plug, ignition cable, ignition switch and ground cable.b. Cleaning and Inspection.(4) Inspect the ignition switch for signs of(1) Clean all parts thoroughly.b u r n e d a r e a s , f r a y e d g r o u n d c a b l e , a n d o t h er( 2 ) I n s p e c t t h e s p a r k p l u g f o r b r o k e n ordamage.burned insulator, excessively burned electrodes,(5) Replace all defective parts.damaged threads, and other damage.c. Installation. Refer to figure 4-7 and install(3) Inspect the ignition cable for signs ofthe spark plug, ignition cable, and ignition switchburning, frayed, shielding, and other damage.in reverse of removal.4-17
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