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ENGINE AR-COMPLETE 2444849 - Caterpillar


2444849 ENGINE AR-COMPLETE Caterpillar parts C-12
Rating:
9
Alternative (cross code) number:
CA2444849
244-4849
2444849
Caterpillar 2444849 ENGINE AR-COMPLETE

Buy ENGINE AR-COMPLETE 2444849 Caterpillar genuine, new aftermarket tractor parts with delivery
TRUCK ENGINE,

Compatible equipment models: 2444849:

TRUCK ENGINE  C-12   Caterpillar
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Information:

Introduction
Do not perform any procedure in this special instruction until you have read this information and you understand this information.Required Parts
Using Table 1 and Table 2 determine which ARD combustion head is needed for your application.
Table 1
12 VDC ARD Combustion Head
Single Stage 348-3401 Combustion Head Gp
Dual Stage 348-3403 Combustion Head Gp
Table 2
24 VDC ARD Combustion Head
Single Stage 348-3400 Combustion Head Gp
Dual Stage 348-3402 Combustion Head Gp Procedure
Illustration 1 g01994753
ARD combustion head
(1) Spark plug
(2) Wire for the heated nozzle
(3) Flame detection temperature sensor
Remove spark plug (1) from the old ARD combustion head.
Remove flame detection temperature sensor (3).
Remove wire for the heated nozzle (2) from the old head.
Remove the ARD combustion head. Refer to the Disassembly and Assembly Manual, "Combustion Head Group (ARD) – Remove and Install (Clean Emissions Module)".
Illustration 2 g01994773
(4) Gaskets
(5) Studs
Remove gaskets (4).
Install new gaskets (4).
Apply 4C-5597 Anti-Seize Compound to the threads of studs (5).
Install the ARD combustion head. Refer to the Disassembly and Assembly Manual, "Combustion Head Group (ARD) – Remove and Install (Clean Emissions Module)".
Apply 4C-5597 Anti-Seize Compound to nuts (6). Tighten the nuts in a crisscross pattern to a torque of 23 3 N m (17 2 lb ft). Tighten nuts (6) again in a crisscross pattern to a torque of 28 3 N m (21 2 lb ft). Tighten nuts (6) again in a crisscross pattern to a torque of 28 3 N m (21 2 lb ft).
Illustration 3 g01994838
(7) Gasket for the ARD combustion air
Install a new gasket for the ARD combustion air (7).
Install the spark plug (1) from the old combustion head into the new combustion head. Torque the spark plug to 47 4 N m (35 3 lb ft).
Install flame detection temperature sensor (3) into the new combustion head.
Install wire for the heated nozzle (2) into the new combustion head using new o-rings and lubricate the o-ring with isopropyl alcohol. Note: This connection is an electrical connection and cannot be lubricated with a petroleum-based lubricant. Isopropyl alcohol is the only approved lubrication for this connection.
Illustration 4 g01994855
Typical example
(8) Pilot fuel fitting
(9) Main fuel fitting
(10) Fittings for the coolant
Install the ARD coolant lines on fittings for the coolant (10). Tighten the lines to a torque of 25 4 N m (18 3 lb ft).
Install the ARD pilot fuel line onto pilot fuel fitting (8). Tighten the line to a torque of 11 2 N m (8 1.5 lb ft).
Install the ARD main fuel line onto main fuel fitting (9). Tighten the line to a torque of 11 2 N m (8 1.5 lb ft).
If a visual inspection of the fuel line connections and the coolant line connections is not performed during the ARD ignition test, fuel leaks or coolant leaks may result in a fire hazard which could result in personal injury or death. Visual inspection of the fuel line connections and the coolant line connections is the only method to detect a fuel leak or a


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