994K Wheel Loader Systems Caterpillar


Control Valve

Usage:

994K MM9


Illustration 1g06248000

Table 1
Item  Qty  Part  Specification Description 
440-2710 Relief Valve Gp  Torque to 110 ± 10 N·m (81 ± 7 lb ft)
147-1223 Solenoid Valve Gp  Torque to 108 ± 7 N·m (80 ± 5 lb ft)
Torque to 5 ± 1 N·m (44 ± 9 lb in)
366-4695 Plug As  Before assembly, apply red Loctite 263 to threads.
Before assembly, apply red Loctite 270 to threads.(1) 
369-6862 Plug As  Torque to 240 ± 20 N·m (177 ± 15 lb ft)
221-3939 Relief Valve Gp  Torque to 325 ± 40 N·m (240 ± 30 lb ft)
102-4158 Plug As  Torque to 440 ± 44 N·m (325 ± 32 lb ft)
9L-9188 Spring  Length under test force is 43.2 mm (1.70 inch).
Test force is 15.6 ± 1.3 N (3.5 ± 0.3 lb).
Free length after test is 57.9 mm (2.28 inch)
423-7711 Relief Valve Gp  Torque to 325 ± 40 N·m (240 ± 30 lb ft)
(1) Europe only


Illustration 2g06248002
Section C-C

Table 2
Item  Qty  Part  Specification Description 
10  160-7439 Makeup Valve  Torque to 325 ± 40 N·m (240 ± 30 lb ft)
11  423-7710 Relief Valve Gp  Torque to 325 ± 40 N·m (240 ± 30 lb ft)


Illustration 3g06248004
Section D-D

Table 3
Item  Qty  Part  Specification Description 
12  148-8406 Plug As  Torque to 240 ± 20 N·m (177 ± 15 lb ft)
13  7J-7852 Spring  Length under test force is 43.2 mm (1.70 inch).
Test force is 8.0 N (1.8 lb).
Free length after test is 58.7 mm (2.31 inch)

Caterpillar Information System:

Improved O-Ring Seals for the Rear Axle Lubrication System are Now Available for 785C Off-Highway Trucks {1374, 3016, 3067, 3260, 4257, 5068} Improved O-Ring Seals for the Rear Axle Lubrication System are Now Available for 785C Off-Highway Trucks {1374, 3016, 3067, 3260, 4257, 5068}
Latest Channel1 Video Notice for D-Series and D2 Series Compact Track Loaders, Multi-Terrain Loaders, Skid Steer Loaders {7000} Latest Channel1 Video Notice for D-Series and D2 Series Compact Track Loaders, Multi-Terrain Loaders, Skid Steer Loaders {7000}
Harsh Directional Shift Performance on Certain Motor Graders {7000} Harsh Directional Shift Performance on Certain Motor Graders {7000}
12K, 120K, 140K and 160K Motor Graders Power Train Tandem - Check
986K Wheel Loader Operator Controls
New Seal Kit in the Control Valve Group Is Now Available on Certain Backhoe Loaders {5051} New Seal Kit in the Control Valve Group Is Now Available on Certain Backhoe Loaders {5051}
Updated Front Valve Bank Covers are Now Available for Certain 12M3, 140M3, and 160M3 Motor Graders {7167} Updated Front Valve Bank Covers are Now Available for Certain 12M3, 140M3, and 160M3 Motor Graders {7167}
Procedure to Install New Lower Fuel Filter Support Bracket for Certain C175 Engines {1261, 1262} Procedure to Install New Lower Fuel Filter Support Bracket for Certain C175 Engines {1261, 1262}
559D and 579D Knuckleboom Loader Machine Systems Stabilizer Cylinder - Remove and Install
Improved Torque Specifications for the Hose Fittings at the Priority Valve Manifold and Valve Block are Now Used on Certain TL1055D and TL1255D Telehandlers {5057} Improved Torque Specifications for the Hose Fittings at the Priority Valve Manifold and Valve Block are Now Used on Certain TL1055D and TL1255D Telehandlers {5057}
Cleaning the Solenoid Valve Group May Increase the Performance for the Fan Control on Certain Telehandlers {1387} Cleaning the Solenoid Valve Group May Increase the Performance for the Fan Control on Certain Telehandlers {1387}
986K Wheel Loader Battery Disconnect Switch
Diagnostic Fault Codes Occurring at the Same Time May Have Different Engine Hours Stamps on Certain Cat® Product Link Elite Assets {7606} Diagnostic Fault Codes Occurring at the Same Time May Have Different Engine Hours Stamps on Certain Cat® Product Link Elite Assets {7606}
Air Conditioning and Heating R134a for All Caterpillar Machines Refrigerant Compressor
Cat ® Command for Dozing, Gen 3.5 Remote Control Operator Console with RFID for D8T Track Type Tractor Horn - Test - Daily
Cat ® Command for Dozing, Gen 3.5 Remote Control Operator Console with RFID for D8T Track Type Tractor Machine Override Controls - Check - Daily
Cat ® Command for Dozing, Gen 3.5 Remote Control Operator Console with RFID for D8T Track Type Tractor Monitor - Clean - When Required
Certain Cat® Product Link Assets With Cat Production Measurement May Map Segment Time Incorrectly to Previous Cycle {7606} Certain Cat® Product Link Assets With Cat Production Measurement May Map Segment Time Incorrectly to Previous Cycle {7606}
A New Caterpillar Advanced Ride Management Seat Suspension Is Available For 770G, 772G, 773G, 775G, 777G Off Highway Trucks {7324} A New Caterpillar Advanced Ride Management Seat Suspension Is Available For 770G, 772G, 773G, 775G, 777G Off Highway Trucks {7324}
Certain Cat® Product Link Devices (PLE641/PL641) May Not Communicate to Back Office {7606} Certain Cat® Product Link Devices (PLE641/PL641) May Not Communicate to Back Office {7606}
986K Wheel Loader Power Train Power Train Filter and Mounting (Torque Converter, Transmission) - Remove and Install
Improved Bar Tread Tracks are Now Used on Certain 239D, 249D, 259B3, and 259D Compact Track Loaders {4170, 4198} Improved Bar Tread Tracks are Now Used on Certain 239D, 249D, 259B3, and 259D Compact Track Loaders {4170, 4198}
Procedure to Install the Output Shaft Lip Type Seal for the Felling Head Arrangement on Certain HFW232 and SH-58 Felling Heads {5237} Procedure to Install the Output Shaft Lip Type Seal for the Felling Head Arrangement on Certain HFW232 and SH-58 Felling Heads {5237}
A New Fuel Filter Support Bracket Assembly is Now Used for Certain C175-16 Off Highway Truck Engines {0635, 1261, 1262, 7553} A New Fuel Filter Support Bracket Assembly is Now Used for Certain C175-16 Off Highway Truck Engines {0635, 1261, 1262, 7553}
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