CRANKSHAFTS & CAM GEARSCheckingCHECKING CAM GEARAll EnginesInspect gear teeth for wear and nicks. Cam shaft andcam gear journals and lobe rejection sizes are shown inTable No. 2.Check automatic spark advance on models equippedwith "Magna-Matic." Fig. 9. Place cam gear in normaloperating position with the movable weight down. Pressthe weight down. Release. The spring should lift theweight. If not, the spring is stretched or the weight isbinding. Repair or replace.Fig. 9. Checking Automatic Spark AdvanceTABLE NO. 2CAM GEAR REJECT SIZESMODEL SERIESCAM GEAR OR SHAFT JOURNALCAM LOBEALUMINUM CYLINDERInchesMillimeterInchesMillimeter6B, 60000.49812.65.88322.438B, 80000*.49812.65.88322.4382000, 92000, 94000.49812.65.88322.43110900, 111200, 111900.436 Mag..498 PTO11.07 Mag.12.65 PTO.87022.10100000, 130000.49812.65.95024.13140000, 170000, 190000.49812.65.97724.82220000, 250000.49812.651.18430.07CAST IRON CYLINDERInchesMillimeterInchesMillimeter5, 6, 8, N.3729.45.87522.239.3729.451.12428.5514, 19, 190000.49712.621.11528.32200000.49712.621.11528.3223, 230000.49712.621.18430.07240000.49712.621.18430.07300000##1.18430.07320000##1.21530.86*Auxiliary Drive Models P.T.O. -- .751 in. (19.08 mm)#Magneto Side -- .8105 in. (20.59 mm)P.T.O. -- .6145 in. (15.61 mm)4
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business