TM 10-3930-660-34 3-10.1  CRANKSHAFT FRONT SEAL - REPLACE (Cont’d) INSTALLATION CAUTION The     seal     lip     and     sealing     surface     on crankshaft must be clean to help prevent an oil leak around the seal. 1. CLEAN   SEAL   LIP   AND   SEALING   SURFACE ON     CRANKSHAFT     WITH     CLEAN     WIPING RAGS. CAUTION The seal and seal pilot used in STEP 2 are packaged as a single item.  Do not separate these two components before seal installation.    Failure  to  use  the  pilot  could result in a damaged seal. 2. INSTALL  OIL  SEAL  (1)  AND  SEAL  PILOT  (2) ONTO CRANKSHAFT. 3. APPLY  A  BEAD  OF  LOCTITE  #277  AROUND OUTSIDE SURFACE OF OIL SEAL (1). 4. PUSH  ON  SEAL   (1)   UNTIL   OIL   SEAL   (1)   IS INSIDE  GEAR  COVER,  THEN  REMOVE  SEAL PILOT (2). CAUTION Drive  the  alignment/installation  tool  at  the 12,    3,    6,    and    9    o’clock    positions    only. Driving   the   tool   at   other   positions   could damage the seal carrier. 5. INSTALL  OIL  SEAL  (1)  TO  CORRECT  DEPTH USING ALIGNMENT/INSTALLATION TOOL SUPPLIED WITH THE OIL SEAL (1). a. Position  the  alignment/installation  tool  over the  crankshaft  and  against  the  seal  carrier with  the  flange  of  the  tool  away  from  the seal. b. Use  a  hammer  to  tap  seal  into  front  cover until flange of tool is against front cover. 6. INSTALL CRANKSHAFT VIBRATION DAMPER, PARA.  3-11. 3-81

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