- Articulated Truck
- 735C (S/N: TFJ1-304)
- 740C EJECTOR (S/N: TFN1-198)
- 745 (S/N: 3T61-156)
- 745C (S/N: JE81-123; TFK1-1650)
- 740C EJECTOR (S/N: TFN1-198)
- Excavator
- 374F (S/N: AT21-161; AP41-244; EBF1-10049; NFJ1-10064; MFL1-10026; DNM1-10019)
- 390F (S/N: HJD1-10032; TYE1-224; MGF1-10014; FEH1-10037; HSM1-307; GAY1-10030)
- Material Handler
- MH3295 (S/N: PA91-304)
- Mobile Hydraulic Power Unit
- 374F MHPU (S/N: DP41-10003; H251-112)
- 390F MHPU (S/N: B371-98199; H271-90203)
- OEM Excavator Based Specialty Solution
- 374F OEM (S/N: FH91-90201; P4L1-90206)
- 390F OEM (S/N: N641-90201; PT71-103; P4J1-90202)
- Pipelayer
- PL83 (S/N: CB21-176)
- PL87 (S/N: TEC1-173)
- Wheel Dozer
- 834K (S/N: TWY1-708)
- Wheel Loader
- 988K (S/N: TWX1-1217)
- Wheel Tractor-Scraper
- 631K (S/N: WT41-2; WT61-102; WTR1-107)
- 637K (S/N: WTS1-119; WTT1-2)
Description Of Change: The NOx Reduction System (NRS) cooler group has a more robust design and the water lines group is more flexible.
Adaptable To: The following changes are adaptable to the products within the listed serial numbers, and are effective with all products after the listed serial numbers.
Required Parts
Part Number | Part Description | Qty |
---|---|---|
Bolt | 6 | |
Bolt | 1 | |
Cooler As | 1 | |
Hard Washer | 7 | |
Mounting Bracket | 1 | |
Clamp As | 4 |
Water Lines Gp | ||
---|---|---|
Part Number | Part Description | Qty |
Bolt | 2 | |
Bolt | 1 | |
Bolt | 1 | |
Hard Washer | 1 | |
Bolt | 2 | |
Hard Washer | 2 | |
Tube As | 1 | |
Tube As | 1 | |
Bracket As | 1 | |
Hose | 1 | |
Band Clamp | 2 | |
O-Ring Seal | 2 | |
Clip | 1 | |
Clip | 1 |
Miscellaneous Parts | ||
---|---|---|
Part Number | Part Description | Qty |
Clamp | 3 | |
Bellows As | 1 | |
O-Ring Seal | 1 |
Installation Procedure
Illustration 1 | g06207090 |
Current EGR cooler set-up. |
- Drain the coolant into a suitable container for reuse or disposal.
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Illustration 2 g06207113 (1) Coolant Outlet
(2) Coolant Inlet - Remove and retain the clips and retainers as shown in Illustration 2 for reuse.
- Remove water lines (1) and (2) (outlet and inlet from cooler).
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Illustration 3 g06207093 (1) 9N-5085 Clamp - Remove and discard the two band clamps.
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Illustration 4 g06207326 (4) 344-2636 Clamp As - Remove the (4) clamps on EGR cooler.
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Illustration 5 g06207336 (5) 362-6634 Bracket As - Remove the edge plate (5) from the EGR cooler.
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Illustration 6 g06207351 (6) 436-9146 Exhaust Cooler and Mounting Gp (NRS) - Remove the EGR cooler (6).
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Illustration 7 g06207356 (7) 0S-1608 Bolt
(8)5M-2894 Hard Washer
(9)0L-2070 Bolt
(10)355-8321 Mounting Bracket - Remove the bolts (7) and (9) along with the washers (8).
- Remove the bracket (10).
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Illustration 8 g06207641 Updated with new EGR cooler Show/hide tableIllustration 9 g06207665 (8) 5M-2894 Hard Washer
(9)0L-2070 Bolt
(11)0L-1352 Bolt
(12)509-7456 Mounting Bracket - Install the EGR Bracket (12) with bolts (11), washers (8). Install bolt (9) and washer 8.
Tighten bolts to ...
47 ± 9 N·m (34.6 ± 6.6 lb ft) Show/hide tableIllustration 10 g06207713 (13) 449-3065 Cooler As - Install the new EGR cooler (13).
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Illustration 11 g06207729 Edge bracket assembly
(14)493-1489 Bracket As - Install the bracket assembly (14).
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Illustration 12 g06208498 (15) 510-3002 Clamp As - Install the EGR clamp and secure the cooler to the bracket.
Tightening Procedure
Tighten bolts of each clamp assembly in sequence 3, 2, 1, 4 with below steps.
1. Tighten bolts indicated (Z) to
20 ± 5 N·m (14.7 ± 3.7 lb ft) 2. Tighten bolts indicated (X) to
20 ± 5 N·m (14.7 ± 3.7 lb ft) 3. Retighten bolts indicated (Z) to
40 ± 5 N·m (29.5 ± 3.7 lb ft) 4. Retighten bolts indicated (X) to
40 ± 5 N·m (29.5 ± 3.7 lb ft) Show/hide tableIllustration 13 g06208709 (16) 493-0357 Tube As
(17)8S-0023 Clip
(18)8S-0024 Clip
(19)0S-1594 Bolt
(20)9X-6458 Hard Washer
(21)0S-0509 Bolt
(22)5M-2894 Hard Washer
(23)338-1556 Retainer
(24)7L-6580 O-Ring Seal
(25)493-0358 Tube As
(26) Tube As
(27)8T-9588 O-Ring Seal
(28)4F-7957 Bolt
(29)5P-0537 Hard Washer
(30)445-6881 Hose
(31)523-4273 Band Clamp - Lubricate the bore lightly while installing the O-Ring to tube and attach the tube (16) to the EGR.
- Secure the tube with one bolts (21), one washer (22), and one retainer (23).
Tighten the bolt to ...
47 ± 9 N·m (35 ± 6.6 lb ft) Note: The retainer flange needs to be facing out on the cooler outlet.
- Attach the water lines with clamps (17) and (18) with two bolts (19) and two washers (20).
Note: The clips are placed in two different places.
Tighten both bolts ...
47 ± 9 N·m (35 ± 6.6 lb ft) - Attach tube (16) with a hose (29) and secure the hose clamps (30).
Tighten both hose clamps to ...
7 ± 1 N·m (5 ± 0.7 lb ft) - Attach tube (25) with a hose (30) and secure the hose clamps (31).
- Lubricate the bore lightly while installing the O-Ring to tube (25) and attach the tube (25) to the engine.
- Secure the tube with one bolts (21), one washer (22), and one retainer (23).
Tighten the bolt to ...
47 ± 9 N·m (35 ± 6.6 lb ft) - Lubricate the bore lightly while installing the O-Ring (27) to tube (26) and attach the tube to the EGR.
- Secure the tube with two bolts (28), two washers (29).
Tighten both bolts ...
12 ± 3 N·m (8.8 ± 2.2 lb ft) Show/hide tableIllustration 14 g06209165 Lines group turbo oil - Refer to Illustration 14 for the placement of the new 509-7456 Mounting Bracket and p-clip.
- Refill the radiator and engine with coolant. Refer to Special Instruction , M0070968, "Coolant Drain and Vacuum Fill Procedure For Certain C9.3 Through C18 Tier 4 Engines" for proper coolant fill procedure.