New Adjustment Dimension For Master Cylinder Rod{4111}
Usage:
120B Motor Graders ( 64U5531-Up)
Starting with Serial Number 64U5531, four-wheel brakes are used on 120B Motor Graders. A different adjustment dimension for the master cylinder rod is necessary for these machines, but it is not given in the Service Manual.
Add the note that follows under "Master Cylinder" in the Service Manual as shown in the chart.
"Note: For machines equipped with four-wheel brakes, the dimension is 3.88 ± .03 in (98.6 ± 0.8 mm)."
Caterpillar Information System:
1982/01/18 New Lever And Improved Link Used To Permit Full Movement Of Articulation Indicator{7476}
1982/01/11 Use FT1555 Generator Rotor Removal Tool To Remove And Install Rotor Assembly{0626,0644,0665,4457}
1982/01/11 "Sirs User Instructions" Available{0374}
1982/01/11 Procedure Reduces Possibility Of Spraying Hot Hydraulic Oil When S.O.S. Sample Is Taken{0372,5068}
1982/01/11 Improved Head Gasket Has Larger Fire Ring To Decrease Fretting{1101,1201}
1982/01/11 Check 14 Test Points In Less Than 5 Minutes With The 6V2150 Starting/Charging Analyzer Group{0651,1518,1406}
1981/12/21 Use Of A Flex-Hone For Cylinder Liner Reconditioning{0664,0674,1216}
1981/12/21 Shorter Bolt Gives Clearance For Wiper Motor Linkage{7305,7300}
1981/12/14 New Cylinder Liners And O-Ring Seals Give Longer Seal Life{1216,1201,1213,1227}
1981/12/14 New Springs For Timing Advance Used In Governor And Fuel Pump Drive Group{1272,1288}
1981/12/14 How To Remove The 7L4511 Sleeve Assembly From Aftercoolers{0620,1063}
1981/12/14 New Oil Level Gauge Used To Prevent Vibration{1300,1318,7450}
1982/01/18 Coasting While In Neutral Causes Transmission Damage{3150,3176}
1982/01/18 Communicate With Photography{0336,7750}
1982/01/18 Piston And Connecting Rod Assembly Storage Cabinet{0600}
1982/01/18 Larger Diameter Heater Control Shaft Gives Better Performance{7304}
1982/01/18 New Torque Specification For Bushing{0374,1253,1251}
1982/01/18 Ground Wire Added To Coolant Flow Switch For Positive Operation Of Alarm{1408,1350,7400}
1982/01/25 New Tools Available For Installation Of Cylinder Liner Seats; Service Tools For Counterboring Tool Group{0622,1217}
1982/01/25 New Washers Permit Locks To Hold Better{1252}
1982/01/25 Use The New 6V4186 Timing Pin{0654,1250}
1982/01/25 Air Lines Group And Turbocharger Group Changed To Improve Connections{1058,1052,1063}
1982/01/25 New Liner Seat Insert With O-Ring Seal Available{1217,1216}
1982/01/25 New 6V4095 And 6V4096 Tool Groups Available For Scroll Fuel Systems{0611,0654}