19080-03520 GOVERNOR ASSY, MEC Denso Cross

Introduction
This special instruction covers the procedure to install a Flow Through Diesel Particulate Filter on certain AD45B (S/N: CXM1-UP) and AD55 (S/N: DNW631-UP) Underground Articulated Trucks. This special instruction applies to Underground Articulated Trucks equipped with Ventilation Reduction Package and using the correct low sulphur fuel and low ash oil. This supplemental product support literature should be used with the appropriate Service Manual and the appropriate Parts Manual that is available for this standard machine.Note: This procedure cannot be used in Canadian provinces that require "CANMET"certification. This procedure will invalidate the existing "CANMET" approval for an engine.Read the entire Special Instruction. Understand the information before you perform any procedures. Understand the information before you order any parts.Reference: Disassembly & Assembly Supplement, RENR8565, "AD45B Underground Articulated Truck C18 Engine".Reference: Disassembly & Assembly Supplement, RENR8501, "AD55 Underground Articulated Truck, C18 Engine".Safety Section
Work safely. Most accidents that involve product operation, maintenance, and repair are caused by failure to observe basic safety rules or precautions. An accident can often be avoided by recognizing potentially hazardous situations before an accident occurs. A person must be alert to potential hazards. This person should also have the necessary training, skills, and tools to perform these functions properly.Safety precautions and warnings are provided in this instruction and on the product. If these hazard warnings are not heeded, bodily injury or death could occur to you or to other persons. Caterpillar cannot anticipate every possible circumstance that might involve a potential hazard. Therefore, the warnings in this publication and the warnings that are on the product are not all inclusive.Ensure that all personnel are safe when using a tool, procedure, work method, or operating technique not recommended by Caterpillar. Ensure that the product will not be damaged or the product made unsafe by the operation, lubrication, maintenance, or the repair procedures that are used.
Hot oil and hot components can cause personal injury. Do not allow hot oil or hot components to contact the skin.
Personal injury or death can result from machine articulation or movement. Machine frames can move and a person can be crushed. Connect the steering frame lock between the front and rear frames before working on the machine.Before operating the machine, place the steering frame lock in the stored position.Failure to place the steering frame lock into the stored position before operating can result in loss of steering.
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Parts Required
Table 1
Required Parts
QTY New Part Number Description
1 482-8798 Diesel Particulate Filter As
- 484-5855(1) Muffler
- 012-7950(1) Plug
- 186-9686(1) Gasket
- 1W-3342(1) Clamp
2 349-8603 Film(2)
2 349-8604 Film(3)
1 350-0684 Film
1 489-1519 Mount
1 472-3226 Enclosure
1 475-6449 Cover
8 8T-4139 Bolt
8 8T-4223 Hard Washer
2 8T-4137 Bolt
2 8T-4121 Hard Washer
1 8T-4908 Bolt
1 467-2163 Plate
(1) Part of 482-8798 Diesel Particulate Filter As
(2) 349-8603 is ANSI film (US & CANADA).
(3) 349-8604 is ISO film (REST of WORLD).Machine Preparation
Move the machine to a hard level