PYROMETER GP 1409682 - Caterpillar

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Loosen clamps (5). Disconnect clip (6). Remove elbow (7).
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Disconnect hose (8) from the side of the fuel tank.
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Disconnect exhaust (9) and position out of the way.
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Remove bolts (10). Remove cover (11).
Review the procedure before removing or installing the engine ECM connectors. Do not force the connectors onto the ECM. Do not force the lever in to lock. A failure to follow the instructions below will damage the ECM pins, may create various fault codes, and may require ECM replacement.
Disconnect the two 80 pin connectors (12) from the ECM. Refer to Disassembly and Assembly, "Electronic Control Module - Remove and Install" for the correct procedure.
Disconnect harness assembly (13). Secure the engine harness to the engine.
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Disconnect hoses (14) from the top of the fuel tank.
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Attach Tooling (A) and a suitable lifting device to engine (15). The weight of engine (15) is approximately 329 kg (725 lb).
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Remove nut (16). Repeat this step for the opposite side.
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Use suitable blocking to support pump assembly (17). Use Tooling (B) to remove bolts (18).
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Remove bracket (19).
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Remove panel (20).
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Illustration 17 g03378541Note: On some models, DPF removal is necessary to remove engine.
Remove bolt (21) and engine mount (22). Remove engine (15). A steep angle is necessary to remove engine (15) with DPF installed.Installation procedure
Install engine (15) in the reverse order of removal.
Tighten nuts (16) to a torque of 190 15 N m (140.13640 11.06340 lb ft).