COMPRESSIONValves & GuidesNOTE: Apply "LED-PLATE" or Part No. 93963 lubricantto valve stems and guides before installing. Be sure thatno "LED-PLATE" or Part No. 93963 is on the ends of thevalve stems or tappets.Fig. 8 - Installing ValvesValve GuidesModels 5, 6, 8, 6B, 60000, 8B, 80000, 82000, 92000,94000, 100000, 110000, 130000If the flat end of valve guide plug gauge 19122 can beinserted into the valve guide for a distance of 5/16" (7.94mm), the valve guide is worn and should be rebushed inthe following manner.Fig. 9.Fig. 9 - Bushing Valve GuidesPlace pilot of counterbore reamer no. 19064 in valveguide, Fig. 9, Illus. 1. Install pilot bushing 19191 overcounterbore reamer and lower pilot bushing to rest invalve seat. Hold replacement valve guide bushing 63709on top of pilot bushing next to reamer. Make a mark onreamer 1/16" (1.59 mm) above top of replacementbushing, Fig. 9, Illus. 2.Ream out valve guide until mark on counterbore reameris level with top of pilot, Fig. 9, Illus. 3. (Lubricate reamerwith kerosene or equivalent lubricant.)Place replacement bushing in reamed-out hole, Fig. 19.Press replacement bushing down until it is flush with thetop of the hole with valve guide bushing driver 19065,Fig. 9, Illus. 4.Finish ream the replacement bushing with a valve guidebushing finish reamer 19066, Fig. 9, Illus. 5. (Lubricatereamer with kerosene or equivalent lubricant.)NOTE: It is usually not necessary to bush factoryinstalled brass valve guides. However, if bushing isrequired, DO NOT REMOVE ORIGINAL BUSHING -follow standard procedure outlined.Models 9, 14, 19, 23, 140000, 170000,190000, 200000, 220000, 230000,240000, 250000, 300000, 320000Checking Valve Guide WearIf the flat end of valve guide plug gauge no. 19151 canbe inserted into the valve guide for a distance of 5/16"(7.9 mm) the guide is worn and should be rebushed inthe following manner. Fig. 9, Illus. 1.Removing Valve Guide Bushings Using Kit 19232(Aluminum Engines)To remove factory or field installed guide bushings onaluminum engines, rotate nut no. 19239 up to head of19238 puller screw. Center washer on valve seat.(Larger washer may be required on some model intakeseats.) Lubricate cutting surface of screw and inside ofguide bushings with Stanisol or kerosene. Insert screw19238 thru washer 19240, centering washer on seat.See Fig. 10. Use 3/4" socket to turn screw clockwise toa depth of 1/4" (6.5 mm) or until bushing starts to turn -and -STOP. While holding screw stationary, turn nutdown onto washer until bushing is free.4
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