CM850 Electronic Control System – 019-063   Internal Actuator Wiring Harness

Table of Contents

Remove
Inspect for Reuse
Install

Remove

TOC

Disconnect the three Deutsch 4-pin connectors on the engine harness from the pass-through connector.

Remove the crankcase breather tube. Refer to Procedure 003-018
in Troubleshooting and Repair Manual, ISC, QSC8.3, ISL and QSL9 Engines, Bulletin 4021418 or Troubleshooting and Repair Manual, ISBe, ISB, and QSB5.9 Engines, Bulletin 4021271.

Remove the rocker lever cover. Refer to Procedure 003-011 in Troubleshooting and Repair Manual, ISC, QSC8.3, ISL and QSL9 Engines, Bulletin 4021418 or Troubleshooting and Repair Manual, ISBe, ISB, and QSB5.9 Engines, Bulletin 4021271.

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Remove the pigtail capscrews from all injector solenoids.

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Remove the rocker housing. Refer to Procedure 003-013 in Troubleshooting and Repair Manual, ISC, QSC8.3, ISL and QSL9 Engines, Bulletin 4021418 or Troubleshooting and Repair Manual, ISBe, ISB, and QSB5.9 Engines, Bulletin 4021271.

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Remove the internal injector harness and the plastic clips from the rocker lever housing.

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Remove the pass-through connector from the rocker housing.

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Inspect for Reuse

TOC

Inspect for damaged or exposed wires, bent or broken pins, or damaged connectors.

Replace, if necessary.

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Install

TOC

Install the pass-through connector into the rocker housing.

Torque Value:  10  n.m  [89 in-lb]

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Route the injector wiring around the metal tabs to the injectors.

Install new plastic clips into the rocker housing.

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Install the rocker lever housing. Refer to Procedure 003-013 in Troubleshooting and Repair Manual, ISC, QSC8.3, ISL and QSL9 Engines, Bulletin 4021418 or Troubleshooting and Repair Manual, ISBe, ISB, and QSB5.9 Engines, Bulletin 4021271.

NOTE: Verify that the internal injector harness does not rest on any sharp corners.

NOTE: Verify that the pigtail wires are not “crossed over”
to the wrong injectors.

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Install pigtail nuts on injectors.

Torque Value:  1.25  n.m  [11 in-lb]

NOTE: Injector wire to injector orientation is not significant.

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Install the rocker lever cover. Refer to Procedure 003-011 in Troubleshooting and Repair Manual, ISC, QSC8.3, ISL and QSL9 Engines, Bulletin 4021418 or Troubleshooting and Repair Manual, ISBe, ISB, and QSB5.9 Engines, Bulletin 4021271.

Connect the engine harness to the pass-through connector.

Install the crankcase breather tube. Refer to Procedure 003-018 in Troubleshooting and Repair Manual, ISC, QSC8.3, ISL and QSL9 Engines, Bulletin 4021418 or Troubleshooting and Repair Manual, ISBe, ISB, and QSB5.9 Engines, Bulletin 4021271.

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Last Modified:  24-Feb-2005