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EPA07 MBE 900 Smart Remote Actuator

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1. 2 Inspect the area inside of rod ball sockets for corrosion built up If inside walls of the ball socket had indication of corrosion replace rod linkage using list of materials provided in Table 1 3 Use Figure 2 as reference for evaluation of the ball socket internal walls Figure 2 Ball Socket Corrosion on the Internal Walls 09 TS 10 3 4 4 2009 Inspection and Cleaning of Exhaust Flap Housing Assembly NOTE Inspection should be completed before any component is replaced 1 With the exhaust flap rod removed rotate the flap from stop to stop to check for unrestricted movement Figure 3 Exhaust Flap Lever Positions a If flap opens and closes smoothly remove the exhaust pipe attached to the end of the housing and clean any soot build up from the internal walls and flap See Figure 4 Figure 4 Exhaust Flap Housing Internal Walls Must be Clean of Soot Deposit b If flap does not open and close smoothly replace exhaust housing assembly using part number provided in Table 2 Installation procedure is provided in the EPA07 MBE 900 Service Manual DDC SVC MAN 0034 in the Installation of Electronic Wastegate Exhaust Brake Assembly section 09 TS 10 a 4 4 2009 Procedure to Adjust and or Replace the Exhaust Flap Rod Linkage Assembly 1 Make sure vehicle ignition is OFF Remove retaining clip and carefully remove the linkage from the exhaust flap lever arm and the SRA See Figure 5 Fig
2. DETROIT DIESEL N DEMAND PERFORMANCE No 09 TS 10 April 4 2009 TO Service Locations FROM Technical Service EPA07 MBE 900 Smart Remote Actuator Fault Codes SPN 615 FMI 7 Smart Remote Actuator 2 Failsafe Mode Motor On SUBJECT SPN 615 FMI 9 Smart Remote Actuator 2 Failsafe Mode Motor Off SPN 615 FMI 14 Smart Remote Actuator 2 No Failsafe Mode Motor Off ISSUE Certain EPAO7 MBE 900 engines are equipped with an electronic Smart Remote Actuator SRA2 for the exhaust flap instead of being pneumatically controlled This system sometimes experiences operational problems resulting in AWL CEL and fault codes e SPN 615 FMI 7 Smart Remote Actuator 2 Failsafe Mode Motor On e SPN 615 FMI 9 Smart Remote Actuator 2 Failsafe Mode Motor Off e SPN 615 FMI 14 Smart Remote Actuator 2 No Failsafe Mode Motor Off This letter is a revision of 07 TS 57Rev2 and supersedes all previous versions The following provides inspection and repair information for the Smart Remote Actuator linkage and exhaust flap Refer to the EPAO7 MBE 900 Troubleshooting Guide DDC SVC MAN 0015 for proper diagnosis of any fault and the EPA07 MBE 900 Workshop Manual DDC SVC MAN 0034 for component repair information CAUSE There are two distinct causes for these fault codes 1 SPN 615 FMI 7 Smart Remote Actuator 2 Failsafe Mode Motor On and SPN 615 FMI 14 Smart Remote Actuator 2 No Failsafe Mode Motor Off These fault codes may
3. be caused by a flap that is stuck closed or has too long of a response time to open the exhaust flap Once the SRA is deactivated it commands the exhaust flap to open If no movement or a slow response is detected AWL CEL and fault codes become active sometimes both codes are active at the same time 2 SPN 615 FMI 9 Smart Remote Actuator 2 Failsafe Mode Motor Off This fault code may be caused by a seized exhaust flap actuator rod linkage Corrosion builds up inside the ball sockets on both ends of the rod stopping the assembly movement Every time the key is turned on the SRA performs a quick check by commanding the exhaust flap to close and open If no movement is detected AWL CEL and fault code become active Detroit Diesel 13400 Outer Drive West Detroit Michigan 48239 4001 09 TS 10 228 4 4 2009 REPAIR PROCEDURE Refer to the appropriate section of the EPA07 MBE 900 Troubleshooting Guide DDC SVC MAN 0015 for specific diagnostic information As part of the troubleshooting procedure proper inspection and adjustment of the SRA linkage and exhaust flap may be necessary refer to the following Inspection and Cleaning of Exhaust Flap Rod Linkage NOTE Inspection should be completed before any component is replaced 1 Make sure vehicle ignition is OFF Remove retaining clip and carefully remove the linkage from the exhaust flap lever arm and the SRA See Figure 1 i R Figure 1 Actuator Linkage
4. he exhaust flap lever Ball Joint Sockets Parallel Figure 10 Parallel Ball Joint Sockets 09 TS 10 f 4 4 2009 10 Check for adequate clearance between the linkage rod and the bracket See Figure 11 11 Turn vehicle ignition ON connect DDDL DDRS and clear all fault codes 12 Turn vehicle ignition OFF and wait one minute 13 Turn vehicle ignition ON wait for the dashboard gauges to sweep and start the engine Confirm proper operation REQUIRED MATERIAL Refer to Table 1 for replacement part information Exhaust Flap Rod linkage Assy A9261400246 Exhaust Flap Housing A9261401554 Anti Seize Lubricant See anti seize lubricant table Table 2 Table 1 Service Repair Parts 09 TS 10 8 4 4 2009 Anti Seize Lubricant is required on the ball joints The following table lists all available anti seize lubricants from supplier Permatex with package size and stock numbers Stock Description 09175 5g pouch display boxed 81343 1 oz tube carded 80071 4 oz brush top bottle 80078 8 oz brush top bottle Table 2 Permatex Anti Seize Lubricants CONTACT INFORMATION Please contact the Detroit Diesel Customer Support Center at 313 592 5800 or email csc daimler com if you have any questions
5. ure 5 Actuator Linkage 2 Using an emery cloth carefully clean any rust from the ball studs on the exhaust flap lever arm and on the SRA lever 3 Rotate flap to full open position the lever A should point downward See Figure 6 Figure 6 Exhaust Flap Lever Adjustment 4 Apply the anti seize lubricant inside of both ball sockets of the new linkage and on the ball studs on the exhaust flap lever arm and SRA lever 5 Install the linkage to the exhaust flap lever arm 09 TS 10 a 4 4 2009 6 At the SRA loosen the adjustment nut adjust ball socket to fit on the SRA actuator lever as shown in Figure 7 The SRA lever should be in the full open neutral position when this adjustment is performed Figure 7 Smart Remote Actuator Lever Adjustment 7 Remove rod from SRA ball joint 8 Adjust the ball joint socket on the actuator end of the linkage rod by extending it three complete turns as shown in Figure 8 Figure 8 Smart Remote Actuator Lever Adjustment 09 TS 10 6 4 4 2009 8 Reinstall the ball joint socket onto the SRA lever and align the flats of the ball joint sockets with the actuator and exhaust flap lever arms See Figure 9 Figure 9 Smart Remote Actuator Lever Adjustment 9 Tighten the locknut against the ball joint socket to 12 5 N m 9 lb ft being careful not to damage bend the linkage or the SRA lever See Figure 10 NOTE Verify flats on ball joint socket are parallel with t

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