UNDERCARRIAGE AR 4691074 - Caterpillar

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(13a) 277-4718 Clamp As (Part of 253-4495 Clamp As ) (11) 5P-8245 Hard Washer (14) 6V-3823 Bolt (15) 3B-4508 Lockwasher (16) 6V-8149 Nut
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Clamp assemblies (13a) are shown installed
Align the mounting holes in 253-4495 Clamp Assembly (13a) with the mounting holes in clamp assembly (13). Secure by using four 6V-3823 Bolts (14), four 5P-8245 Hard Washers (11), four 3B-4508 Lockwashers (15), and four 6V-8149 Nuts (16). Repeat for the other clamp assembly (13a). Refer to Illustrations 14 and 15.
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(19) 327-5301 Tube Assembly (20) 4L-9337 Bolt (3) 8T-4896 Hard Washer (21) 6V-8801 Nut
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Tube assembly (19) is shown installed
Install 327-5301 Tube Assembly (19) to the outlet end of diesel particulate filter group (17) by using two 4L-9337 Bolts (20), four 8T-4896 Hard Washers (3), and two 6V-8801 Nuts (21). Refer to Illustrations 16 and 17.
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(10) 8T-4196 Bolt (22) 327-7010 Support Assembly (23) 7X-7729 Washer
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Support assembly (22) is shown installed (B) Hood assembly
Position 327-7010 Support Assembly (22) underneath hood assembly (B) in the location shown in Illustration 19. Secure support assembly (22) by using two 7X-7729 Washers (23) and two 8T-4196 Bolts (10). Refer to Illustrations 18 and 19.
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Install 327-5285 Plate Assembly (25) to support assembly (22) by using three 7X-7729 Washers (23), and three 8T-4182 Bolts (24). Reuse the bolts that were used to secure the exhaust stack to secure the other end of plate assembly (25) to the existing location of the stack. Refer to Illustrations 19 and 20.
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Install the stack on plate assembly (25) by using six 131-5879 Washers (26), and six 8T-4136 Bolts (27) after making a sufficient hole in the hood for the stack. Refer to Illustration 21.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 Diesel Particulate Filter system continuously. The exhaust monitor provides critical information to the vehicle operator and maintenance staff relative to operation and performance of the Diesel Particulate Filter.The required parts for the installation of the exhaust monitor are the following: 423-5876 Exhaust Monitor Gp (28), 216-7990 Installation Assembly (29), 282-0031 Remote Display (30), and 220-3778 Adapter Cable Assembly (INTERFACE) (31). These parts must be installed at the same time as the DPF assembly or the DPF warranty may be voided.