156617-2400 ZEXEL 9 423 617 173 BOSCH UNION NUT 9423617173 1566172400 1156191820

Parts Location
Illustration 2 g01666016
Exploded view (1) 304-1120 Diesel Particulate Filter Gp (2) 308-4936 Bracket As (3) 308-4941 Clamp As (4) 277-4718 Clamp As (5) 3B-4508 Lockwasher (6) 5P-8245 Hard Washer (7) 6V-8149 Nut (8) 6V-3823 Bolt (9) 8T-4121 Hard Washer (10) 8T-4196 Bolt Installation Procedure
Diesel Particulate Filter Installation
Illustration 3 g01667275
(11) 241-9265 Muffler Clamp (16) Muffler Assembly (17) Bracket Assembly (18) Support Assembly (19) Exhaust Pipe Assembly (20) Clamp (21) Pipe Assembly (22) Bolt (23) Hard Washer (24) Bolt (25) Washer (26) Plate (27) Bolt (28) Hard Washer (29) Plate
Illustration 4 g01601993
(2) 308-4936 Bracket As (22) Bolt (23) Hard washer (24) Bolt (25) Washer (27) Bolt (28) Hard washer
Remove the existing muffler assembly (16) and bracket assembly (17). Set aside exhaust pipe assembly (19), clamp (20), three bolts (22), three hard washers (23), two bolts (24), two washers (25), three bolts (27), and three hard washers (28). These parts will be reused in later steps.
Reuse three bolts (22), and three hard washers (23) to secure the new 308-4936 Bracket As (2) to existing support assembly (18) .
Reuse two bolts (24), and two washers (25) to secure bracket assembly (2) to existing plate (26) .
Reuse three bolts (27), and three hard washers (28) to secure bracket assembly (2) to existing plate (29) .
Illustration 5 g01602054
(3) 308-4941 Clamp As (9) 8T-4121 Hard Washer (10) 8T-4196 Bolt
Install the two new 308-4941 Clamp As (3) by using four 8T-4196 Bolts (10), and 8T-4121 Hard Washers (9). Loosely secure the four bolts so that the clamp assemblies are adjustable. Refer to Illustration 5.
Illustration 6 g01602115
(1) 304-1120 Diesel Particulate Filter Gp (30) Inlet module tube
Install the new 304-1120 Diesel Particulate Filter Gp (1) on top of clamp assemblies (3). Make sure that inlet module tube (30) fits into existing pipe assembly (21). Use a new 241-9265 Muffler Clamp (11) to secure the joint. Refer to Illustration 6.
Illustration 7 g01601954
(4) 277-4718 Clamp As (5) 3B-4508 Lockwasher (6) 5P-8245 Hard Washer (7) 6V-8149 Nut (8) 6V-3823 Bolt (31) Outlet module tube
Once you have the pipe assembly installed properly, tighten the two bottom clamp assemblies (3). Install the new 277-4718 Clamp As (4) by using the four 5P-8245 Hard Washers (6), and four 6V-3823 Bolts (8). Use the four 3B-4508 Lockwashers (5), and four 6V-8149 Nuts (7) on the clamp assembly (3) side. Refer to Illustration 7.
Install the existing exhaust pipe assembly (19) to the outlet module tube of the diesel particulate filter. Secure the connection with existing clamp (20) .
Reconnect the drain lines.Exhaust Monitor Installation
Refer to Special Instruction, REHS5606, "Installation and Operation of the Caterpillar Diesel Particulate Filter (DPF) and the Diagnostic Module for Non-Road Machine Applications (Non-California Applications)" for information regarding the installation and the operation of the exhaust monitor.The exhaust