AR83.70-D-1176B | Checking auxiliary heater exhaust emission value | 18.4.97 |
MODEL 901.0, 902.0, 903.0, 904.0, 901.3, 902.3, 903.3, 904.3, 901.4, 902.4, 903.4, 904.4 with CODE (H12) Hot water auxiliary heater
MODEL 638.0 /1 /2 as of 13.10.97 with CODE (H12) Hot water auxiliary heater
D5WS or B5WS
| Checking | ||
Danger! | Fuel vapors present an explosion hazard. Combustion gases are toxic when inhaled. Heater can cause severe burns during and after operation | Do not start up or operate stationary heaters or engines with heater boosters in closed rooms or in the vicinity of service stations. Allow heater to cool off after operation and wear protective gloves. | |
It is necessary to check the emission value in the event of combustion irregularities. | |||
1 | Connect CO2 tester. | ||
2 | Measure CO2 value. | Specified value: | |
3 | Connect HHT and read out DTC memory. | Eliminate stored DTC's. | |
4 | Check intake and exhaust lines | Repair if necessary | |
5.1 | Check delivery quantity of fuel metering pump | Except model 638 |
Commercially available tools
Number | Designation | |
WH58.30-Z-1036-13A | Handheld tester (HHT) | 651 100 01 99 |
WH58.30-Z-1037-13A | Test cable (multiplexer) | 651 100 40 99 |
WH58.30-Z-1039-13A | Adapter cable for 14-pin diagnostic socket | 651 101 40 99 |
WH58.30-Z-1040-13A | HHT operating instructions | 651 100 21 00 |
WH58.30-Z-1041-13A | Case | 651 101 60 99 |
WH58.30-Z-1042-13A | Commercial vehicle test module | 651 156 00 00 |
WH58.30-Z-1043-13A | Printer connection cable | 651 100 70 99 |
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