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Page Title: DISTRIBUTOR REASSEMBLY
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ENGINE DIVISION SERVICE MANUAL TM 5-4210-230-14&P-1 Fig.  41 Installing Tachometer Drive Bearing 1.  Bearing 2.  Press ram 3.  Driver tool (pipe) 4.  14.3 mm (9/16 in.) 5.  Support (pipe) 6. Install new tachometer drive gear on distributor shaft. New gear will have pin hole drilled in one side only. Install as follows: a. Position gear on distributor shaft and align pin hole with hole in shaft. b. Support distributor shaft in drill press and drill hole through other side of gear. c. Install roll pin. 7. Lubricate and install mechanical advance components     and     trigger     wheel     assembly     (See Mechanical Advance System Service). Tachometer Driven Gear and Shaft The  tachometer  driven  gear,  shaft  and  bushing  are not  provided  for  service.    However,  at  the  time  of  distributor overhaul,   these   parts   should   be   thoroughly   cleaned   and lubricated as outlined below. 1. Remove tachometer drive shaft cover as follows: a. Drill a 3mm (1/8 inch) hole in center of cover (Figure 42). b. Insert  a  hooked  tool  or  a  punch  into  hole  in cover  and  pry  cover  from  distributor  housing (Figure 42). Fig.  42 Removing Tachometer Drive Shaft Cover 1.  Drill Hole in Cover. 2. Clean old  lubricant  from  tachometer  drive  gear  and cavity   in   distributor   housing.      (See   "IMPORTANT" under Cleaning and Inspection). 3. Inspect  tachometer  driven  gear,  shaft  and  bushing. If  excessive  wear  or  damage  is  indicated,  replace distributor assembly. 4. If parts are satisfactory for reuse: a. Fill tachometer drive gear and cavity with ball bearing   lubricant   (Humble   "Andok   260"   or equivalent). b. Install   new   tachometer   drive   shaft   cover   in distributor housing. DISTRIBUTOR REASSEMBLY 1. Install   distributor   shaft   into   distributor   housing   as outlined below: IMPORTANT If a new distributor shaft is being installed, a new distributor  driven  gear  or  thrust  collar  and  new thrust washers must also be installed. a. Position new upper thrust washer(s) on shaft. CGES-145-U  Page 19 PRINTED IN UNITED STATES OF AMERICA

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