156809-1520 ZEXEL 9 423 610 621 BOSCH COVER 9423610621 1568091520 1157497980

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Right side view of machine (A) Hood and guard group (B) Lines group (Air) (C) Air cleaner
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Front view of machineInstallation Procedure
Diesel Particulate Filter Installation
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(2) 331-8935 Brackets (12) 5P-8245 Hard Washer (13) 6V-8149 Nut (14) 8F-6437 Washer (15) 8T-4956 Bolt
Place two new 331-8935 Brackets (2) parallel to each other on top of the hood. Secure the brackets to the hood using four new 8F-6437 Washers (14), four new 5P-8245 Hard Washers (12), four new 6V-8149 Nuts (13) and four new 8T-4956 Bolts (15). Refer to Illustration 6.
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(5) 295-3044 Exhaust Support Gp (Lower half) (14) 8F-6437 Washer (15) 8T-4956 Bolt
Install the two lower halves of the new 295-3044 Exhaust Support Gp (5) onto two brackets (2) using four new 8F-6437 Washers (14) and four new 8T-4956 Bolts (15). Refer to Illustration 7.
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(1) 331-8928 Diesel Particulate Filter Gp
Place the new 331-8928 Diesel Particulate Filter Gp (1) onto the two lower halves of exhaust support group (5). The approximate weight of the diesel particulate filter group is 43.6 kg (96.1 lb). Refer to Illustration 8.
Install the two upper halves of exhaust support group (5) onto the lower halves of exhaust support group (5). Secure the two halves of the exhaust support group by using four bolts (5a) and four hard washers (5b). Refer to Illustration 8.
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(9) 174-5414 Clamp (11) 255-2899 Tail Pipe As
Connect 255-2899 Tail Pipe As (11) to the outlet module tube of the diesel particulate filter group by using 174-5414 Clamp (9). Refer to Illustration 9.
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(3) 331-9162 Filter Tube As (7) 241-6170 Plug (8) 8T-6765 Pipe Plug (10) 209-4589 Clamp
Install the new 331-9162 Filter Tube As (3) to the inlet module tube of the diesel particulate filter group. Secure the connection using one new 209-4589 Clamp (10). Refer to Illustration 10.
Install the new 8T-6765 Pipe Plug (8) and 241-6170 Plug (7) into the respective bosses provided on the filter tube assembly. Refer to Illustration 10.
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(6) 270-0112 Bellows
Install the new 270-0112 Bellows (6) to filter tube assembly (3). Secure the connection by using one new Clamp (10). Refer to Illustration 11.
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Install the new 331-9161 Filter Tube (4) to bellows (6). Secure the connection by using one new clamp (10). Refer to Illustration 12.
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Install the other end of filter tube (4) to the air lines group. Secure the connection by using one new clamp (10). Refer to Illustration 13.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 monitor is a device designed to monitor the Caterpillar DPF system continuously. The exhaust monitor provides critical information to the vehicle