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ENGINE AR-COMP 1695128 - Caterpillar



1695128 ENGINE AR-COMP Caterpillar parts ENGINE
Rating:
81
Alternative (cross code) number:
CA1695128
169-5128
1695128
Caterpillar 1695128 ENGINE AR-COMP

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The ROP Shop Genuine OEM PTO Switch fits Simplicity 1695122 1695123 1695124 1695125 1695128
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14 Jun 2021
0.13[0.06] Pounds
US: The ROP Shop
The ROP Shop Genuine OEM PTO Switch fits Simplicity 1695122 1695123 1695124 1695125 1695128
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The ROP Shop PTO Switch fits Simplicity 1695116-1695125 1695128 1695148-1695150 Lawn Mowers
$17.99
 

06 Jul 2020
0.1875[0.00] Pounds
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The ROP Shop PTO Switch fits Simplicity 1695116-1695125 1695128 1695148-1695150 Lawn Mowers
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Illustration 1 g06148187Note: Two different troubleshooting procedures are required to cover the codes. The first troubleshooting table is for 5435-3 and 5435-4. The second troubleshooting step is for 5435-1 and 5435-12.
Table 2
Troubleshooting Test Steps Values Results
5435-3 and 5435-4
1. Measure the DEF Pump Resistance at the connector:
A. For -3 Code Measure:
- From Terminal D to A
- From Terminal E to A
- From Terminal L to A
B. For -4 Code Measure:
- From Terminal D to K
- From Terminal E to K
- From Terminal L to K
Approximately 1.5 kilo ohms or higher
Result: Resistance is not within specification.
Repair: Replace the DEF Pump.
Result: Resistance is within specification. Go to next step.
Proceed to Test Step 2.
2. Measure the resistance between the metal case of the DEF pump unit and the DEF pump connector:
A. For -3 Code Measure:
- From Terminal D to DCU Pin 10
- From Terminal E to DCU Pin 10
- From Terminal L to DCU Pin 10
B. For -4 Code Measure:
- From Terminal D to Metal Case
- From Terminal E to Metal Case
- From Terminal L to Metal Case
Approximately 1.5 kilo ohms or higher
Result: Resistance is not within specification.
Repair: Replace the DEF Pump
Result: Resistance is within specification
Proceed to Test Step 3.
3. Reconnect the DEF Pump connector
A. Unplug the DCU connector and measure resistance at the DCU connector:
- From Terminal 2 to 41
- From Terminal 21 to 41
- From Terminal 32 to 41
Approximately 1.5 kilo ohms or higher
Result: Resistance is not within specification.
Repair: Replace the harness.
Result: Harness resistance is within specification, then recommend contact the DSN before replace the DCU.
Refer to procedure to flash DCU
Table 3
Troubleshooting Test Steps Values Results
5435-1 and 5435-12
1. Check that the DEF Tank filter is not clogged.
A. Refer to the OMM, "DEF Tank –Disassembly and Assembly".
Clogged
Result: Filter is clogged.
Repair: Replace the filter
Result: Filter is not clogged.
Proceed to Test Step 2.
2. Check that the DEF Pump filter is not clogged
A. Refer to OMM, "DEF Tank –Disassembly and Assembly".
Clogged
Result: Filter is clogged.
Repair: Replace the filter.
Result: Filter is not clogged.
Proceed to Test Step 3.
3. Check DEF Lines
A. Visually check that the DEF lines are not clogged, leaking, or broken.
Clogged
Result: DEF lines are damaged or clogged.
Repair:
- Replace and clean parts as needed.
- Clean the DEF Tank. Refer to Testing and Adjusting, "Diesel Exhaust Fluid Tank – Flush".
- Check the DEF Quality. Refer to Testing and Adjusting, "Diesel Exhaust Fluid Quality – Test".
Result: DEF lines are not damaged nor clogged.
Proceed to Test Step 4.
4. Perform DEF Dosing System Verification Test
Circulates
Result: The diagnostic code becomes active again.
Repair: Replace the pump if this is for 5435-12.If this is for code 5435-1.
Proceed to Test Step 5.
5. Confirm DEF thawing
A. Ensure the following are operating properly:
- Coolant valve is operating to allow coolant to thaw the tank.
- Three DEF line heaters
- DEF Pump heater
DEF Thaw System
Result: There are no codes related to DEF heaters and DEF thawing system is operating normally.
Repair: Replace the pump


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