Cleaning the Solenoid Valve Group May Increase the Performance for the Fan Control on Certain Telehandlers {1387}
- Telehandler
- TH306D (S/N: TD21-UP; TD31-UP)
- TH336C (S/N: THM1-UP; MJR1-UP)
- TH337C (S/N: DJB1-UP; SXJ1-UP)
- TH406C (S/N: RCH1-UP; GAT1-UP)
- TH407C (S/N: MLH1-UP; JJT1-UP)
- TH414C (S/N: KEK1-UP; RWW1-UP)
- TH417C (S/N: RRJ1-UP; RRW1-UP)
- TH514C (S/N: MWC1-UP; KKW1-UP)
- TH336C (S/N: THM1-UP; MJR1-UP)
Cleaning the solenoid valve group may increase the performance for the fan control on the machines listed above.
Rework Procedure
Show/hide table
 |
|
Do not operate or work on this equipment unless you have read and understand the instructions and warnings in the Operation and Maintenance Manual. Failure to follow the instructions or heed the warnings could result in injury or death. Contact any Cat dealer for replacement manuals. Proper care is your responsibility. |
- Remove the solenoid valve group.
- Clean the solenoid valve group.
Note: Solenoid valve group should be free from any contamination. Clean using a non-residue solvent and lint-free cloth or wipes. Excess contamination may require valve replacement.
- Reassemble the solenoid valve group.
If the fan speed does not increase after cleaning the solenoid valve group, replace the part with the same part number listed in the Table 1.
Show/hide table
| Parts List | |||
|---|---|---|---|
| Item | Qty | Part Number | Part Name |
| 1 | 1 | Plug | |
| 2 | 1 | Seal Kit | |
| 3 | 1 | Check Valve | |
| 4 | 1 | Nut | |
| 5 | 1 | Connecting Plug Kit | |
| 6 | 1 | Seal Kit | |
| 7 | 1 | Solenoid Valve | |
| 8 | 1 | Valve | |
| 9 | 1 | Seal Kit | |
| 10 | 1 | Nut | |
| 11 | 1 | Coil | |
Show/hide table
| (1) | Toque to |
| (2) | Toque to |
| (3) | Toque to |
| (4) | Toque to |
Note: Seals within the kits are not serviced individually. The kit should be serviced as a whole.
Show/hide table
| |
| Illustration 1 | g06245533 |
|
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11) | |
Caterpillar Information System:
986K Wheel Loader Battery Disconnect Switch
994K Wheel Loader Systems Control Valve
The 357-9456 Bolts (Lifter Shaft Bolts) May Fail on Certain C175 Machine Engines {1000, 1209} The 357-9456 Bolts (Lifter Shaft Bolts) May Fail on Certain C175 Machine Engines {1000, 1209}
986K Wheel Loader Power Train Axle Oil Cooler - Remove and Install
Certain Cat® Product Link Assets are Unable to Unsubscribe in Dealer Service Portal (DSP) {7606} Certain Cat® Product Link Assets are Unable to Unsubscribe in Dealer Service Portal (DSP) {7606}
RM500B Reclaimer Mixer Machine Systems Position Sensor (Rotor Depth) - Calibrate
A New Troubleshooting Procedure Is Now Available for the Seat Belt Retraction on Certain Backhoe Loaders {7324, 7336} A New Troubleshooting Procedure Is Now Available for the Seat Belt Retraction on Certain Backhoe Loaders {7324, 7336}
Routing of the Steering Lines Group and Air Conditioner Lines Group is Now Improved on Certain 794 AC Off-Highway Trucks {1808, 4304} Routing of the Steering Lines Group and Air Conditioner Lines Group is Now Improved on Certain 794 AC Off-Highway Trucks {1808, 4304}
Procedure to Improve Retention of Steering Lines Group on Certain 794 AC Off-Highway Trucks {1808, 4304} Procedure to Improve Retention of Steering Lines Group on Certain 794 AC Off-Highway Trucks {1808, 4304}
MD6200 Rotary Drill Drill Pipe - Add and Remove
986K Wheel Loader Capacities (Refill)
C11 and C15 Engines for Caterpillar Built Machines CID 0261 FMI 11 Engine Timing Offset fault
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}
559D and 579D Knuckleboom Loader Machine Systems Stabilizer Cylinder - Remove and Install
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}
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}
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}
986K Wheel Loader Operator Controls
12K, 120K, 140K and 160K Motor Graders Power Train Tandem - Check
Harsh Directional Shift Performance on Certain Motor Graders {7000} Harsh Directional Shift Performance on Certain Motor Graders {7000}
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}
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}
994K Wheel Loader Systems Control Valve
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}