1977/03/07 Caterpillar


Use Insert To Repair Bearing Seat In Water Pump Housing{1361}

Usage:


3406, 3408, 3412 Engines;
245 Excavators;
988B Loaders;
16G Motor Graders;
621B, 623B Tractors

SUPPLEMENT: 01/23/78

SERVICE MAGAZINE, MARCH 7, 1977, PAGES 5 AND 6. In the article "Use Insert To Repair Bearing Seat In Water Pump Housing", the dimensions given in Illustrations 2 and 3 to machine the housing and install the 5P7385 Insert are not correct. Make a note on your copy of the article to use the dimensions shown on the illustration that follow. During a water pump repair, be sure to use a new 9N3033 Retainer in place of the former 4N1136 Retainer to hold the bearing.


Illustration 2. Dimensions to machine housing.


Illustration 3. Install the insert to the depth shown.

--------------- END SUPPLEMENT ---------------

The 5P7385 Insert is available to make a repair to the seat for the outer bearing of the water pump housings on the models listed above. The bearing seat can become worn in operation. It is necessary to machine the housing to install the insert.


Illustration 1. 5P7385 Insert.

INSTALLATION OF INSERT: Machine the housing as shown in Illustration 2.


Illustration 2. Dimensions to machine housing.

Use the 1P510 Driver Group to install the insert in the machined bore. The slot in the insert must be in alignment with the oil hole in the housing. See Illustration 3 for the correct depth to install the insert.


Illustration 3. Install the insert to the depth shown.

Caterpillar Information System:

1977/03/07 Drains In New Fuel Injection Pump Housing And Governor Housing Prevent Possible Corrosion And Freezing Damage{1286}
1977/03/07 Improved Shut-Off Solenoids For Engines Equipped With Sleeve Metering Fuel Systems{1259}
1977/03/07 Relief Valve Added To Lubrication And Testing Group For Sealed And Lubricated Track{0651,0671,4175}
1977/02/28 Changes To Retainer Nut Torque And Assembly Procedures For Turbocharger Compressor Wheels{0374,1052}
1977/02/28 Improved Exhaust Valve Now Available{1105}
1977/02/28 Lock Now Available For Connecting Rod Bolt Used In TU-FL0501 Air Compressor{1065}
1977/02/28 Clip Now Used To Hold Coolant Line For The Turbocharger{1052,1380}
1977/02/28 Hardened Washers Now Used Between The Bolt Heads And The Engine Front Support To Keep These Bolts Tight{1153}
1977/02/28 Modification To Holder To Machine Counterbore On Cylinder Block{0664,1201}
1977/02/14 Diesel Fuel Recommendation Expanded{1280}
1977/02/14 Test Used Fuel Nozzles Before You Install New Nozzles; Tips On Test Procedures{1254,0651,0336}
1977/02/14 New 5P7307 Engine Turning Tool Group Fits All Engines{0611}
1977/03/07 Cooling System Orifice Changed For Better Flow Control And Air Removal{1380}
1977/03/21 New Spring Used In Fuel Ratio Control{1278}
1977/04/11 New Retainer And Improved Housing Keep Water Pump Bearing Tight; Repair For Loosened Bearing{1361}
1977/04/11 Improved Mounting For Expansion Tank{1354,1379,1380}
1977/04/11 New Shaft Assemblies Used For Forward And Reverse Clutch And Stronger Nipple Used At Oil Pump{3302,3306,3307,3310,3314}
1977/04/11 New Diaphragm Used In Brakesaver Control Valve{1159}
1977/04/18 Tools To Remove Wear Sleeves From Crankshafts{0621,7558}
1977/04/18 New Crankshaft Front Seal And Wear Sleeve Permit Crankshafts With Seal Wear To Be Used Again{1151,1160}
1977/04/18 Stronger Material Used In Undersize Connecting Rod Bearings{1219}
1977/04/18 Gasket For Water Temperature Regulator Now Has Larger Vent Passage{1355,7555}
1977/04/18 Guide Assembly For Dipstick (Oil Level Gauge) Now Has Thicker Walls{1300}
1977/04/25 Alternator Groups With Slower Drive RPM Used Again{1205,1405}
Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.