3R0-77409-0 SEAL SET Tohatsu
MFS25A, MFS25B, MFS25B, MFS25B, MFS30A, MFS30B, MFS30B
SEAL
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Tohatsu entire parts catalog list:
- POWER TRIM & TILT, MOTOR COVER LOWER » 3R0-77409-0
- POWER TRIM & TILT » 3R0-77409-0
- POWER TILT ASSEMBLY » 3R0-77409-0
- POWER TILT ASSEMBLY » 3R0-77409-0
- POWER TRIM & TILT, MOTOR COVER LOWER » 3R0-77409-0
- POWER TRIM & TILT » 3R0-77409-0
- POWER TILT ASSEMBLY » 3R0-77409-0
Information:
Table 1
J1939 Code and Description CDL Code and Description Comments
52-0
Engine Intercooler Temperature : High - most severe (3) E771 (3)
High Aftercooler Temperature The Electronic Control Module (ECM) may shutdown the engine.
The code is logged.
52-15
Engine Intercooler Temperature : High - least severe (1) E771 (1)
High Aftercooler Temperature The code is logged.
52-16
Engine Intercooler Temperature : High - moderate severity (2) E771 (2)
High Aftercooler Temperature The ECM may derate the engine.
The code is logged. If the engine is shutdown due to a high aftercooler temperature, cycle power to the engine ECM to restart the engine.Probable Causes
Codes
Coolant level
Radiator
Leaks
Piping
Cooling fan
Relief valve
Water pumpRecommended Actions
Table 2
Troubleshooting Test Steps Values Results
1. Check for Codes
A. Connect Cat® Electronic Technician (ET) to the service tool connector.
B. Look for active codes that are associated with the system for the event code.
Codes
Result: An associated code is active.
Repair: Troubleshoot any associated codes before continuing with this test.
Result: A code is active or logged.
Proceed to Test Step 2.
2. Check the Coolant Level for the Separate Circuit Aftercooler (SCAC) System
Coolant Level
Result: The coolant level is OK.
Proceed to Test Step 3.
Result: The coolant level is NOT OK.
Repair: Add coolant. Check for leaks.
If the problem is not resolved, proceed to Test Step 3.
3. Inspect the Radiator for the SCAC System
A. Check the radiator fins for dirt, debris, and/or damage.
B. Check for restrictions and internal blockage.
C. Ensure that the radiator size is sufficient. An undersized radiator does not have enough area for the effective release of heat. An undersized radiator may cause the engine to run at a temperature that is higher than normal. The normal temperature depends on the ambient temperature.
Radiator
Result: The radiator fins are not damaged and the radiator does not have a blockage.
Proceed to Test Step 4.
Result: The radiator fins are damaged and/or there is a blockage.
Repair: Remove any dirt or debris, straighten any bent fins, and remove any blockage.
If the problem is not resolved, proceed to Test Step 4.
4. Check for Air Leaks into the SCAC System
A. Inspect the cooling system for leakage. Refer to Testing and Adjusting, "Testing the Cooling System" for additional information.
Leaks
Result: There is not any leakage.
Proceed to Test Step 5.
Result: There is leakage.
Repair: Repair any leaks immediately.
If the problem is not resolved, proceed to Test Step 5.
5. Inspect the SCAC Piping
A. Perform a visual inspection of the piping for the SCAC system. Look for piping that is damaged, crushed, or bent.
Piping
Result: The piping is OK.
Proceed to Test Step 6.
Result: The piping is NOT OK.
Repair: Repair or replace any damaged piping.
If the problem is not resolved, proceed to Test Step 6.
6. Check for Proper Operation of the Cooling Fan
Cooling Fan
Result: The cooling fan is operating correctly.
Proceed to Test Step 7.
Result: The cooling fan is not operating correctly.
Repair: Repair or replace the cooling fan.
If the problem is not resolved, proceed to Test Step 7.
7. Inspect the Pressure Relief Valve
A. If the SCAC system is pressurized, pressure-test the SCAC system. Refer to Testing and Adjusting, "Testing the Cooling System" for additional information.
B. Check that the seating surfaces of the pressure relief valve and the radiator cap are clean and undamaged.
Relief Valve
Result: The pressure relief valve and the radiator cap are operating correctly.
Proceed to Test Step 8.
Result: The pressure relief valve or the radiator cap is not operating correctly.
Repair: Clean or replace damaged pressure relief valve or the radiator cap.
If the problem is not resolved, proceed to Test Step 8.
8. Inspect the Water Pump
A. Inspect the impeller of the water pump for damage or erosion.
B. Ensure that the drive gear is not loose on the drive shaft of the water pump.
Water Pump
Result: There was a problem with the water pump.
Repair: Repair or replace damaged water pump components.
Verify that the repair eliminated the problem.
If the procedure did not correct the issue, contact your Cat dealer Technical Communicator (TC). For further assistance, your TC can confer with the Dealer Solutions Network (DSN).
Parts seal Tohatsu:
338-67147-0
338-67147-0 SEAL RING, HOOK LEVER
M115A2, M15D2, M18E2, M25C3, M30A4, M40C, M40D2, M40D2, M40D2, M4C, M50D2, M5B, M5BS, M60C, M70C, M8B, M9.8B, M9.9D2, MD115A, MD115A2, MD40A, MD40B, MD40B, MD40B2, MD40B2, MD50A, MD50B, MD50B, MD50B, MD50B2, MD50B2, MD70B, MD75C2, MD90B, MD90C2, MFS1
3R3-07204-0
3R3-07204-0 SEAL, "IN" VALVE STEM
MFS15B2, MFS15B2, MFS15C, MFS15C, MFS18B2, MFS18B2, MFS2.5A, MFS2.5B, MFS2.5B, MFS2.5B, MFS20C, MFS20C, MFS25A, MFS25B, MFS25B, MFS25B, MFS2A, MFS2B, MFS3.5A, MFS3.5B, MFS3.5B, MFS3.5B, MFS30A, MFS30B, MFS30B, MFS8A, MFS8A2, MFS8A3, MFS8A3, MFS8A3, M
3R3-07206-0
3R3-07206-0 SEAL, "EX" VALVE STEM
MFS15B2, MFS15B2, MFS15C, MFS15C, MFS18B2, MFS18B2, MFS2.5A, MFS2.5B, MFS2.5B, MFS2.5B, MFS20C, MFS20C, MFS25A, MFS25B, MFS25B, MFS25B, MFS2A, MFS2B, MFS3.5A, MFS3.5B, MFS3.5B, MFS3.5B, MFS30A, MFS30B, MFS30B, MFS8A, MFS8A2, MFS8A3, MFS8A3, MFS8A3, M
3F3-84908-0
3F3-84908-0 SEAL RING, DRAG LINK
M115A2, M120A2, M140A2, M15D2, M18E2, M25C3, M30A4, M40C, M40D2, M40D2, M40D2, M50D2, M60C, M70C, M9.9D2, MD115A, MD115A2, MD40A, MD40B, MD40B, MD40B2, MD40B2, MD50B, MD50B, MD50B, MD50B2, MD50B2, MD70B, MD70B, MD70B, MD75C2, MD90B, MD90B, MD90B, MD9
3S9-67501-0
3S9-67501-0 SEAL RUBBER, MOTOR COVER
MFS15B2, MFS15B2, MFS18B2, MFS18B2, MFS25A, MFS25B, MFS25B, MFS30A, MFS30B, MFS30B, MFS9.9B2, MFS9.9B2
3B7-65014-0
3B7-65014-0 SEAL RUBBER LOWER, WATER PIPE
M25C3, M30A4, M40C, M60C, M70C, MD40B2, MD40B2, MD50B, MD50B, MD50B2, MD50B2, MFS25A, MFS25B, MFS25B, MFS25B, MFS30A, MFS30B, MFS30B
3R0-65206-0
3R0-67116-0
3R0-67116-0 SEAL RUBBER, ENGINE BASE
M40D2, M40D2, M40D2, M50D2, MFS25A, MFS25B, MFS25B, MFS25B, MFS30A, MFS30B, MFS30B