a. Remove the Exhaust Elbow.
WARNING
Fuel leaked or spilled onto hot surfaces or electri-
cal components can cause a fire. To help prevent
possible injury, turn the start switch off when
changing fuel filters or water separator elements.
Clean up fuel spills immediately.
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NOTICE:
Keep all parts clean from contaminants.
Contaminants may cause rapid wear and shortened component life.
WARNING
Hot engine components can cause injury from burns. Before performing maintenance on the en- gine, allow the engine and the components to cool.
1. Turn the fuel supply to the OFF position.
2. Turn the battery disconnect switch to the OFF
Start By:
3. Loosen hose clamp (1) on hose assembly (2).
4. Remove bolts (4) and remove tube assembly (3).
Remove gasket (5) (not shown).
6. Remove bolt (13) from ground strap (14).
7. Disconnect high tension lead (8) from the sparkplug. Position the high tension lead away from the combustion head.
8. Remove flame detection temperature sensor (11)
Assembly, Temperature Sensor (DPF Inlet, Flame Detect) -Remove and Install for the correct and flame detect (12). Refer toDisassembly and procedure.
9. Remove Aftertreatment Regeneration DeviceRefer to Disassembly and Assembly, ARD Spark Plug-Remove and Install for the correct procedure.
(ARD) spark plug (15) from combustion head (21).
10. Remove nuts (16) from combustion head (21).
Remove the combustion head.
11. Remove gasket (20), tube assembly (19), and gasket (17).
12. If necessary, remove studs (18).
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13. If necessary, follow Step 13.a through Step 13.d to disassemble combustion head (21).
a. Install combustion head (21) into a suitable support.
b. Remove adapter (22) and adapter (23) from combustion head (21).
c. Remove adapter (24) and adapter (26) from combustion head (21).
d. Remove O-ring seal (25) (not shown) and O-
ring seal (27) (not shown).