1/9 Aftertreatment Diesel Particulate Filter (DPF), Complete, Replacement (One) Equipment JPRO® Professional or OEM Service Tool For Preliminary Information, click here. For Removal, click here. For Installation, click here. Preliminary Information Ensure to read and understand the precautions and guidelines associated with this procedure before proceeding with this procedure. In case you are not properly trained and certied in this procedure, ask supervisor for training prior to executing this procedure. Removal 1. Engage the parking brake and set the shift lever to the NEUTRAL position. 2. Unplug all wires from the ground (negative) terminals of the battery in order to avoid any injury to the personnel cause by electrical shock. Figure 1. Detaching All Ground Cables + - Reset Enlarge Click mouse and drag to view zoomed image.
Ensure to read and understand the precautions and guidelines associated with this procedure before proceedingwith this procedure. In case you are not properly trained and certi�ed in this procedure, ask supervisor for trainingprior to executing this procedure.
Removal
1. Engage the parking brake and set the shift lever to the NEUTRAL position.2. Unplug all wires from the ground (negative) terminals of the battery in order to avoid any injury to the
personnel cause by electrical shock.
Figure 1. Detaching All Ground Cables
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Figure 2. Removing Chassis Fairing
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4. Remove the bolts and nuts that secures the steps and/or braces positioned between the angle wingbrackets and remove them.
Figure 3. Removing Bolts And Nuts
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5. Label all differential pressure sensor connectors (if needed) and Diesel Particulate Filter (DPF) wiringharness to get help at the time of reassembly.
Figure 4. Labeling Connectors And Wiring Harness
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3. Remove the chassis fairing on the right side, if installed.
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6. Unplug all the wiring and sensor connectors from the DPF and cut all tie straps that secures the harness.7. Remove the upper exhaust V-band clamp connecting the following components:
Inlet module of the DPFFlex pipe
Figure 5. Removing Upper Exhaust V-band Clamp
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8. Remove the lower exhaust V-band clamp that connects the following components:Exhaust pipeDPF outlet module
Figure 6. Removing Lower Exhaust V-band Clamp
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9. Remove the upper band clamp supporting the DPF to the chassis upper mounting bracket.10. Place a �at surface jack with a very stable support (example: transmission jack) below the base of the DPF.
Figure 7. Positioning a Flat Surface Jack
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11. Remove the fasteners that secures the DPF lower supporting bracket to the chassis frame bracket forreleasing the weight of the DPF onto the transmission jack.
Note: Weight of the DPF will be released by removing the lower bracket. Make sure that thetransmission jack is on a �at level surface and is correctly positioned.
Figure 8. Removing Fasteners
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12. Remove the DPF assembly by lowering and rolling the transmission jack out from the right side of thechassis.
13. Remove the following components from the DPF assembly:a. Lower band clampb. Bracket
Figure 9. Removing Components from DPF Assembly
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Installation
1. Install the following to the DPF assembly:a. Lower band clampb. Bracket
Note: Ensure correct alignment of the bracket lower support foot with the notch located on thebottom of the muf�er assembly. The bracket �ts correctly at only one location.
2. Tighten the band clamp fasteners to the torque of 20 ± 4 lb-ft (27 ± 5 Nm).
Figure 10. Installing Lower Band Clamp
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3. Place the DPF assembly (with the installed lower bracket) on a �at level transmission jack and roll the jack below the chassis.
4. Lift the DPF assembly with the transmission jack and put the lower bracket in alignment with the chassis frame bracket.
5. Tighten the fasteners to the torque of the 35 ± 6 lb-ft (48 ± 8 Nm) to secure the DPF bracket to the chassis frame bracket and then remove the transmission jack.
6. Install the upper band clamp supporting the DPF on the frame upper mounting bracket and tighten the band clamp fasteners to the torque of 20 ± 4 lb-ft (27 ± 5 Nm).
7. Install the lower exhaust V-band clamp connecting the exhaust pipe and the DPF outlet module and tighten the clamp fastener to the torque of 62 ± 18 lb-in (7 ± 2 Nm).Note: Check for galled threads or deformed clamping surfaces on the clamps. Replace as necessary.
Figure 11. Installing Lower Exhaust V-band Clamp
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8. Install the upper exhaust V-band clamp connecting the inlet module of the DPF and the �ex pipe.9. Attatch the clamp as shown in the illustration to avoid the contact between the clamp and other
components.10. Tighten the clamp fastener to the torque of 62 ± 18 lb-in (7 ± 2 Nm).
Figure 12. Installing Upper Exhaust V-band Clamp
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11. Connect the DPF wiring harness connectors again as per the markings done at time of the disassembly.12. Secure the harness wires with the help of nylon tie straps.
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13. Place the connector steps and/or braces that are located between the angle wing brackets and tighten thebolts and nuts to the speci�ed value for securing them. See Tightening Torques and Patterns.
Figure 14. Positioning Connector Braces/steps
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14. Install back the chassis fairing on the right side, if equipped.
Figure 15. Reinstalling Chassis Fairing
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