1996/12/02 Caterpillar


New Housings Are Available In Regulator Housing Groups {1393}

Usage:


D11N (4HK, 74Z),
D11R (8ZR) Track-Type Tractors;
776B (6JC),
776C (2TK),
777B (4YC, 3NF),
777C (4XJ),
784B (5RK),
785 (8GB),
785B (6HK) 789 (9ZC),
789B (7EK),
793 (3SJ),
793B (1HL) Off-Highway Trucks;
994 (9YF) Wheel Loaders;
5130 (5ZL),
5230 (7LL) Excavators

Description of Change: New housings are available for water regulators in the above machines powered by 3508, 3512 and 3516 Engines. The former housings were made so that the bolts had to be installed upside down. The new housings are easier to service because they bolt from the top down.


Illustration 1. Typical view of the new housing (1) within the upper water lines group.


Illustration 2. Typical view of the new housing (2) within the regulator housing group. (A) Front view. (B) Side view.


Illustration 3. Typical view of the bypass water lines group. (3) 1D-4706 Bolt. (4) 5B-2638 Bolt. (5) 5M-2894 Washer and 7L-7524 Bolt. (6) 8T-6765 Plug. (7) 7E-9584 Elbow.


View of the D11/D11N 7E-5325 Connection Group. (A) Front view. (B) Left side view.

Adaptable To: See Chart 1, 2, 3, 4, 5, 6 and 7 for adaptability and Chart 8 for effectivity of the new housings and components. See Illustrations 1, 2 and 3 for typical views of the regulator housing groups, upper water lines groups and the bypass water lines groups. See Illustration 4 for views of the water connection group for D11/D11N Track-Type Tractors.

Caterpillar Information System:

1996/12/02 Improved Relay Switch Assembly Used To Provide Increased Reliability {1423}
1996/12/02 Improved Relay Switch Assembly Used To Provide Increased Reliability {1423}
1996/12/02 New Assembly Procedure For Rotate Carriage Groups {6408,6405,6460}
1996/12/02 New Drive Train Lubrication Updates {3251,3252,3253,7568,7581}
1996/12/02 Improved Relay Switch Assembly Used To Provide Increased Reliability {1423}
1996/12/02 New Front Park, Turn Lamp Is Available That Is Not Affected By Vibration {1430}
1996/12/02 Overfill Of Hydraulic Tank May Cause Oil Leakage {7479,1460}
1996/12/02 Ground Strap Relocated To Prevent Damage From Debris {7423}
1996/12/02 New Retainer Screws Prevent Contact With Seat Back On Cab Recirculation Filter {7342}
1996/12/02 Special Instruction REHS0029 Available To Modify Radiator Support And Guard Group To Provide Cleanout Access For Radiator {1353,7272}
1996/12/02 Check Turbocharger Seals If There Is A Sudden Increase In Crankcase Blowby {1052,1317}
1996/11/25 Procedure For Installing Steel Core Gasket At The Front Housing And The Flywheel Housing {1151,1157,1162}
1996/12/09 Rotate Crankshaft On 3114, 3116 And 3126 Engines Using 9U-6943 Gear Shaft Housing Assembly Or 9U-7336 Gear Shaft Housing Assembly {1202,0701}
1996/12/09 Remove And Install Threaded Glands On Hydraulic Cylinder Using 9U-7868 Spanner Wrench Group, 9U-7869 Spanner Wrench Group, Eleven Adapter Plates (See Chart B){5456,0738}
1996/12/09 Tooling Plates Simplify Swashplate Neutral Adjustment On Sauer Sunstrand Hydraulic Pumps; 4C-8498 Plate (42 CC Pumps - Drum Propel), 4C-9419 Plate (55 CC Pumps - Axle Propel), 127-5653 Plate, Neutral (75 CC Pumps), 127-5654 Plate, Neutral (100 CC Pum
1996/12/09 Thicker 1U-9646 Pusher And 1U-9647 Pusher Make XT-3 Hose Assembly Easier{0684}
1996/12/09 Use 4C-9416 Wrench Assembly To Remove Asphalt Screed Mounting Nuts{6640,0602}
1996/12/09 Electronic Control Training Aid{0713}
1996/12/09 124-0662 Impact Socket For Removing And Installing Cylinder Head Bolts{1100,0602}
1996/12/09 Use 6V-7920 Spanner Wrench To Remove And Install 5P-5813 Pinion Nut{3254,4056,0602}
1996/12/09 124-9057 Guide (Swirl) Collar Quickly Installs Valve Guides To Proper Height{1104,0701}
1996/12/09 Tools Used To Remove And Install Both Sizes Of Camshaft Bearings In 3500B Engines{1211,0701}
1996/12/16 New Procedure To Calibrate Tensioner Warning Switch {4197}
1996/12/16 Fire Extinguisher Bracket Now Used {7254,7419}
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