1980/03/31 Caterpillar


Caution: Outboard Bearing Must Be Removed From Extended Shaft Of Front Power Takeoff Before The Engine Is Moved{3055}

Usage:




3408 Marine Engines

An article "Extended Shafts Now Available For Front Power Takeoff Units" on Pages 5 and 6 of the January 21, 1980 Service Magazine gave information about extended shafts for use with front power takeoff units on 3408 Marine Engines. These shafts are used with "outboard" bearings which must be in correct alignment with the shaft and the engine. Since the outboard bearing is mounted (installed) separately, any movement of the engine will not only destroy the alignment, but will also cause stress on the shaft. For this reason, the outboard bearing must be removed any time it becomes necessary to move the engine. For example, if the engine must be lifted during service work on the marine gear, remove the outboard bearing first. Failure to do this can cause a bent shaft or other possible damage. After the service work is finished and the engine is fastened in place, the outboard bearing must be installed again. Use the same procedure to check and adjust bearing alignment that was used during the original installation. This procedure is given in Special Instruction Form SMHS7684.

Caterpillar Information System:

1980/03/31 Remanufactured Short Blocks Are Available For Repairs Of Early 3406 Engines{1201,1101,1102}
1980/03/31 Replacement Pinion And Output Gear Available For Service Of Torque Multiplier{0614}
1980/03/31 6V2023 Flow Check Adapter Group Is Available{0651,0654}
1980/03/31 Use The 6V200 Hydraulic Wrench To Get Correct Torque Applications On Fasteners In Difficult Access Areas{0612,0623}
1980/03/24 Different Vibration Damper Now Used{1205}
1980/03/24 New Control Valve Body{1155,1159}
1980/03/24 New Plugs And Rubber Stoppers For Machines With Sealed And Lubricated Track{4169,4170,4175,0622}
1980/03/24 An Increase In Engine RPM Will Extend Vanes In Hydraulic Oil Pump To Start Pump Output{5055,5068}
1980/03/24 New Fuel Injection Lines And Clamps Prevent Stresses And Contact Which Can Cause Leakage{1252}
1980/03/24 Visual Inspection Of Main And Connecting Rod Bearings{1203,1219,1230}
1980/03/24 Different Water Temperature Regulators Now Used To Prevent Overheating{1355}
1980/03/24 8S2252 Carbon Seal Tool Can Be Adapted For Use On 8N7001 Fuel Nozzle Assembly{0611,1254}
1980/03/31 Use Correct Cord Assembly With Jacket Water Heaters{1383}
1980/03/31 Modification Of 5P1768 Pointer Assembly Necessary For Use On Some Fuel Injection Pump Housings{1253,0653}
1980/03/31 New Liner Seat Insert For No. 1 And No. 4 Cylinders Of D353 Engines{1217}
1980/04/14 Repair Parts Now Available For 5S2801 Hose Press Group{0624}
1980/04/14 Important: Use Only 12 Volts Direct Current To Boost Start 3208 Truck Engines Equipped With Exhaust Gas Recirculation Systems{1401,1453,1080}
1980/04/14 Dowtherm 209 Full-Fill Coolant{1350}
1980/04/14 Wrong Installation Of Oil Cooler Gasket Can Cause High Oil Temperatures{1378,1306}
1980/04/14 6V2040 Ratchet Adapter Available For Use With Torque Multipliers On Hydraulic Cylinder Repair Stands{0614,0622}
1980/04/21 Main And Connecting Rod Bearings With Cavitation Erosion Can Be Used Again{1230,1203,1219}
1980/04/21 New Filter Elements Are Available For "Fire Resistant Fluid" Hydraulic Systems{5068}
1980/04/21 Crankcase Capacity Increased And New Oil Level Gauges Used; Specifications For Conversion Of Existing Gauges{1318,1302}
1980/04/28 New 1N3270 Auxiliary Drive Group Available As Attachment{1165}
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