0311354 COVER, Steering handle gear JOHNSON
20R69B, 20R70C, 20R71S, 20R72R, 20R73A, 25E72R, 25E73A, 25E74M, 25E75B, 25E76E, 25R69B, 25R70C, 25R71S, 6R69M, 6R70B, 6R71E, 6R72D, 6R73S, 6R74C, 6R75R, 6R76A, 6R77M, 6R78B, CD-25A, FD-22A
COVER
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BRP JOHNSON entire parts catalog list:
- LOWER UNIT GROUP » 0311354
20R71S, 20RL71S 1971
20R72R, 20RL72R 1972
20R73A, 20RL73A 1973
25E72R, 25EL72R, 25R72R, 25RL72R 1972
25E73A, 25EL73A, 25R73A, 25RL73A 1973
25E74M, 25EL74M, 25R74M, 25RL74M 1974
25E75B, 25EL75B, 25R75B, 25RL75B 1975
25E76E, 25EL76E, 25R76E, 25RL76E 1976
25R69B, 25R69D, 25RL69B, 25RL69D 1969
25R70C, 25R70E, 25RL70C, 25RL70E 1970
25R71S, 25RL71S 1971
6R69M, 6RL69M 1969
6R70B, 6RL70B 1970
6R71E, 6R71G, 6RL71E, 6RL71G 1971
6R72D, 6RL72 1972
6R73S, 6RL73S 1973
6R74C, 6RL74C 1974
6R75R, 6RL75R 1975
6R76A, 6RL76A 1976
6R77M, 6RL77M 1977
6R78B, 6RL78B 1978
CD-25A, CD-25C, CD-25R, CDL-25A, CDL-25C, CDL-25R 1968
FD-22A, FD-22E, FD-22M, FDL-22A, FDL-22E, FDL-22M 1968
Information:
Table 1
Diagnostic Codes Table
Code and Description Conditions which Generate this Code System Response
1-5 Cylinder #1 Injector : Current Below Normal The Electronic Control Module (ECM) detects an open circuit. The ECM monitors the current flow through the circuit for each injector solenoid. If low current flow (open circuit) is detected, a diagnostic code is activated. The ECM continues to try to fire the injector. If high current flow (short circuit) is detected, a diagnostic code is activated. The ECM will disable the solenoid circuit in order to prevent damage from the high current flow. However, the ECM will periodically try to fire the injector. If the short circuit remains, this sequence of events will be repeated until the problem is corrected.
1-6 Cylinder #1 Injector : Current Above Normal The ECM detects a short circuit.
2-5 Cylinder #2 Injector : Current Below Normal The ECM detects an open circuit.
2-6 Cylinder #2 Injector : Current Above Normal The ECM detects a short circuit.
3-5 Cylinder #3 Injector : Current Below Normal The ECM detects an open circuit.
3-6 Cylinder #3 Injector : Current Above Normal The ECM detects a short circuit.
4-5 Cylinder #4 Injector : Current Below Normal The ECM detects an open circuit.
4-6 Cylinder #4 Injector : Current Above Normal The ECM detects a short circuit.
5-5 Cylinder #5 Injector : Current Below Normal The ECM detects an open circuit.
5-6 Cylinder #5 Injector : Current Above Normal The ECM detects a short circuit.
6-5 Cylinder #6 Injector : Current Below Normal The ECM detects an open circuit.
6-6 Cylinder #6 Injector : Current Above Normal The ECM detects a short circuit.
1-2 Cylinder #1 Injector : Erratic, Intermittent, or Incorrect Data from the electronic unit injector is out of limits. The code is logged.
The ECM will continue to energize the injector solenoid.
1-7 Cylinder #1 Injector : Not Responding Properly The electronic unit injector is no longer capable of delivering the correct amount of fuel.
2-2 CCylinder #2 Injector : Erratic, Intermittent, or Incorrect Data from the electronic unit injector is out of limits.
2-7 Cylinder #2 Injector : Not Responding Properly The electronic unit injector is no longer capable of delivering the correct amount of fuel.
3-2 Cylinder #3 Injector : Erratic, Intermittent, or Incorrect Data from the electronic unit injector is out of limits.
3-7 Cylinder #3 Injector : Not Responding Properly The electronic unit injector is no longer capable of delivering the correct amount of fuel.
4-2 Cylinder #4 Injector : Erratic, Intermittent, or Incorrect Data from the electronic unit injector is out of limits.
4-7 Cylinder #4 Injector : Not Responding Properly The electronic unit injector is no longer capable of delivering the correct amount of fuel.
5-2 Cylinder #5 Injector : Erratic, Intermittent, or Incorrect Data from the electronic unit injector is out of limits.
5-7 Cylinder #5 Injector : Not Responding Properly The electronic unit injector is no longer capable of delivering the correct amount of fuel.
6-2 Cylinder #6 Injector : Erratic, Intermittent, or Incorrect Data from the electronic unit injector is out of limits.
6-7 Cylinder #6 Injector : Not Responding Properly The electronic unit injector is no longer capable of delivering the correct amount of fuel. Background InformationTypically, problems with an injector solenoid occur when the engine is warmed up and/or when the engine is under vibration (heavy loads). Perform this procedure when the engine is at normal operating temperature. Pay careful attention to the condition of the wiring and the connectors as you perform this procedure. The wiring and/or the connectors may have problems that only occur during vibration.These engines have Electronic Unit Injectors (EUI) that are electronically controlled. Each injector contains a solenoid. The ECM sends 105 volt pulses to each injector solenoid. The pulses are sent at the proper time and at the correct duration for a given engine load and speed.Cooling of the Injector SolenoidsEach injector solenoid is cooled by a stream of oil. The stream of oil exits from a hole in the exhaust valve rocker arm. The stream of oil must be checked whenever an injector is replaced.Diagnostic Tests on the Caterpillar Electronic Technician (ET)Cat ET includes the following test that aids in troubleshooting injector solenoids:Injector Solenoid Test - This test identifies an open circuit or a short circuit in the circuits for the injector solenoids. The test is performed while the engine is not running. The "Injector Solenoid Test" briefly activates each solenoid. A good solenoid will create an audible click when the solenoid is activated. Cat ET indicates the status of the solenoid as "OK", "Open", or "Short".Fuel System Verification Test - This test evaluates the health of each injector. This test will determine if an injector needs to be replaced. When the test is performed, Cat ET indicates the status of each injector as "Success" or "Failed". Perform the test immediately after replacing an injector. Also, perform this test if a -2 code or a -7 code is active.Note: The "Fuel System Verification Test" must be performed when the engine is running and the coolant temperature is above 65° C (149° F).Note: Refer to the following schematic. Two injector solenoids share a common supply wire. For this reason, an open circuit or a short circuit in a supply wire could cause diagnostic codes for two cylinders.
Illustration 1 g01673575
Schematic for the injector solenoids on C9 engines
Test Step 1. DETERMINE THE DIAGNOSTIC CODE
Establish communication between Cat ET and the engine ECM. Cat ET must be communicating on both data links in order to perform this procedure. Refer to Troubleshooting, "Electronic Service Tools", if necessary.
Determine the diagnostic trouble code that relates to an injector. Expected Result:A -2 code or a -7 code is present.Results:
A -2 code or a -7 code is present. - Repair: Perform the following procedure:
Do not clear the diagnostic trouble code.
Illustration 2 g01404206
Accessing the Fuel System Verification Test
Perform the Fuel System Verification Test. Cat ET will clear the code when the test begins. If the injector passes the test, the injector is okay. STOP.If the injector fails the test, proceed to Test Step 10.
A -5 code or a -6 code is
Parts cover JOHNSON:
0580339
0580339 COVER & TERMINAL
100ESL71A, 115ESL69E, 115ESL70D, 125ESL71C, 1R69C, 1R70R, 20R69B, 20R70C, 20R71S, 25R69B, 25R70C, 25R71S, 2R71A, 33E69A, 33E69A, 33E70M, 33E70M, 40E69R, 40E70A, 40E71B, 40ES69R, 40ES70A, 40R69R, 40R70A, 4R69B, 4R70E, 4R71D, 50ES71S, 55ES69A, 60ES70B,
0311232
0311232 COVER,Flywheel
20R69B, 20R70C, 20R71S, 20R72R, 20R73A, 25E72R, 25E73A, 25E74M, 25E75B, 25E76E, 25R69B, 25R70C, 25R71S, 6R69M, 6R70B, 6R71E, 6R72D, 6R73S, 6R74C, 6R75R, 6R76A, 9R69S, 9R70A, 9R71R, 9R72M, 9R73B, CD-25A, FD-22A, LD-13B, MQ-14D
0304579
0304579 COVER, By-pass, upper
6R69M, 6R70B, 6R71E, 6R72D, 6R73S, 6R74C, 6R75R, 6R76A, 6R77M, 6R78B, 6R79E, 9R69S, 9R70A, 9R71R, 9R72M, 9R73B, CD-25A, MQ-14D
0308352
0302505
0302505 COVER,Water by-pass
20R69B, 20R70C, 20R71S, 20R72R, 20R73A, 25E72R, 25E73A, 25E74M, 25E75B, 25E76E, 25E77S, 25E78C, 25E79R, 25R69B, 25R70C, 25R71S, 35E77C, 35E78R, 35E79A, D25RWA, FD-22A, HJ25FPO, HJ25FPV, J25ECIB, J25ECNE, J25ECRS, J25ECTD, J25RCSA, J25RSA, J25RSLS, J2
0308357
0310781
0310781 COVER,Choke switch
100ESL71A, 100ESL72R, 115EL77S, 115ESL69E, 115ESL70D, 115ESL73M, 115ESL74B, 115ESL75E, 115TXL77S, 125ESL71C, 125ESL72R, 135ESL73M, 135ESL74B, 135ESL75E, 140ML77S, 175TL77S, 200TL76S, 200TL77C, 25E72R, 25E73A, 25E74M, 25E75B, 25E76E, 25E77S, 33E69A, 3
0511459
0511459 COVER,Leads
10E77A, 10E78M, 10EL79B, 15E77M, 15E78B, 15E79E, 25E77S, 25E78C, 25E79R, 35E77C, 35E78R, 35E79A, 4R77B, 4R78E, 50R79C, 55E78S, 55E79C, 6R77M, 6R78B, 6R79E, AM55RSLD, BJ10EEDD, BJ10RELEUS, BJ10RHLSDA, BJ10RHLSOR, BJ10RHLSRC, BJ10RHLSTS, BJ15EEDS, BJ15