Quantcast BLOWER   DRIVE   GEAR   AND   SUPPORT   REPLACEMENT

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TM   9-2815-202-34 4-19.   BLOWER   DRIVE   GEAR   AND   SUPPORT   REPLACEMENT This task covers: a.  Removal b. Disassembly c.  -Cleaning/Inspection d. Assembly e. Installation INITIAL   SETUP MODELS EXPENDABLE/DURABLE    SUPPLIES ALL Engine oil (App C, Item 16) 4 Bolts 3/8-24 x 4-1/2 (App C, Item 5) Nut 3/8-24 (App C, Item 29) Dry cleaning solvent (App C, Item 10) TOOLS  AND  SPECIAL  TOOLS General mechanics tool kit (App B, Item 96) EQUIPMENT   CONDITION . Dial indicator  (App  B, Item 44) Micrometer (1-2") (App B, Item 65) Vernier caliper (App B, Item 10) Torque wrench (App B, Item 101) MANDATORY  REPLACEMENT  PARTS Para  Description 4-15  Breather  removed 4-16 Blower drive shaft and hub removed (7083-7395  and  7083-7398) n 4-18  Blower  removed 5-15 Blower drive shaft and hub removed (7083-7391, 7083-7396, and 7083-7399) 1 Gasket (App F, Item 69) 1 Key washer (App F, Item 167) 2  Copper  washers  (App  F,  Item  163) a.   Removal (1) Remove two bolts (1) and two copper washers  (2)  securing  blower  drive support assembly (3) to rear end plate.  Discard  copper  washers. (2) Remove blower drive gear support assembly (3) and gasket (4) from rear end  plate.  Discard  gasket. b.   Disassembly (1) (2) (3) Clamp blower drive gear support assembly (3) in a soft-jawed vise with blower drive gear (5) on top. Straighten  tangs  on  key  washer  (6). Remove nut (7). Discard key washer. Remove thrust washer (8), thrust bearing (9), gear (5), and thrust bearing (10) from gear support (11). 4 - 6 2 Change 1


 


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