Drain Holes Added To Rear Frame To Prevent Freeze Damage{7050}
Usage:
D350C And D400 Trucks
Description of Change: New drain holes have been added to the rear frame on D350C and D400 Trucks. These drain holes will prevent water from collecting in the closed sections of the rear frame. If water collects, it can freeze in cold weather and damage the frame.
Adaptable To: The effective product identification numbers for the new drain holes are not available. The drain holes can be added to all earlier D350C And D400 Trucks. Drill two 20 mm (.8") holes in the rear frame at the locations shown in the illustration.
Location of the new drain holes in the rear frame.
Caterpillar Information System:
1988/09/05 New Thrust Washer Used In Six Wheel Drive Transfer Gearbox{3250}
1988/09/05 New Stabilizer Valve Group Has New Lock Valve{6505}
1988/09/05 Aerosol Dry Film Lubricant Available for Extension Sticks{0645,6502}
1988/09/05 Lists Of Duo-Cone Seals And Oil Recommendations{3258,4050,4208}
1988/09/05 Pressure Taps Added To Hoist Oil Lines Group{5083,5057}
1988/09/05 New Oil Level Gauge Used{1326}
1988/09/05 Improved Engine Exhaust Manifolds Used{1059}
1988/09/05 New Piston Cooling Jets Used{1331,1200}
1988/09/05 New Rocker Arm Shaft Assembly and Bolts Used{1102}
1988/08/29 New Fuel Injector Group Used {1251}
1988/08/29 Use 6V6640 Sealant For Gasket Material In Transmissions And Differentials {3006,3200,3258,7555}
1988/08/29 New Front Suspension Cylinder Rod Has Longer Service Life {7201}
1988/09/05 Trailer Axle Clearance{7050,3260}
1988/09/05 Electric Pump Now Used In Drum Water Spray System{8209}
1988/09/05 Use Either 7C0192 Or 9X0532 Gauge For Service Replacement Of Engine Oil Pressure Gauge{7455}
1988/09/12 New Low Temperature Ring Seals Available For Parts Service Of Front And Rear Suspension Groups{7201,7213}
1988/09/12 New Retainer Ring Used To Keep Spherical Bearing In Hydraulic Cylinders{7562,7553}
1988/09/12 Use Thread Lock On Suspension Cylinder Pistons{7201,7213,7200}
1988/09/12 New Torque Converter Mounted Retarder (TCMR) Control Arrangement Changes Operation Of Retarder Indicator{3121,3120}
1988/09/12 Be Sure Drive Line Parking Brake Is Correctly Adjusted{3275}
1988/09/12 Resilient Rear Mounts Used For Hydraulic Tank{5056}
1988/09/12 Radiator Overflow Hose Rerouted To Rear Of Radiator{1353,1380}
1988/09/12 Usage Of Electronic Transmission Controls{3168}
1988/09/12 Procedure To Adjust Rotor Drive Clutch{3059}