2003/03/10 A New Dust Ejector Group for the Exhaust Prevents Loading on the Muffler {1068} Caterpillar


A New Dust Ejector Group for the Exhaust Prevents Loading on the Muffler {1068}
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Landfill Compactor:
836G (S/N: BRL1-UP; 7MZ1-UP)
Wheel Loader:
988G (S/N: BNH1-UP; 2TW1-UP)
Wheel Tractor:
834G (S/N: BPC1-UP; 6GZ1-UP)
Service Magazine, SEPD0652, 21 October 2002, "A New Dust Ejector Group for the Exhaust Is Now Available". Disregard this article. See the article that follows.

Description of Change:




Illustration 1g00928093

132-6237 Dust Ejector Group

(1) Air Cleaner Assembly

(2) Muffler

(3) Flange Connection




Illustration 2g00928115

222-3073 Dust Ejector Group

(1) Air Cleaner Assembly

(2) Muffler

(4) Hose Connection

(5) Flexible Hose

A new Muffler and a new Dust Ejector Group is available for the following machines: 834G Wheel Tractor, 836G Landfill Compactor and 988G Wheel Loader. The new muffler has a redesigned outlet for the dust ejector. The new outlet (4) will accept a flexible dust ejector hose (5). The new design replaces a dust ejector with a flange that used two bolts (3). The flexible hose will prevent loading on the outlet of the dust ejector on the muffler.

Adaptable To: The former part 132-6199 Muffler As is cancelled and replaced by the new part 222-9134 Muffler As. The former part 132-6237 Dust Ejector Group is replaced by the new part 222-3073 Dust Ejector Group. The part 132-6237 Dust Ejector Group is not cancelled. The 222-3073 Dust Ejector Group is not serviceable at this level. Reference Table 1 in order to purchase the parts for this change. The 222-3073 Dust Ejector Group can only be used with the 222-9134 Muffler As.

Table 1
Materials for 222-3073 Dust Ejector Group    
Part number     Part name     Quantity    
1S-1668     Bypass Tube     1    
5P-0597     Hose Clamp     4    
067-9425     Radiator Hose     1    
5P-1471     Hose    
62 cm (24.4 inch)    
This change is effective with the following machines:

  • BRL334-UP

  • BNH592-UP

  • BPC143-UP

The change is adaptable to the following machines:

  • BRL1-333

  • 7MZ1-UP

  • BNH1-591

  • 2TW1-UP

  • BPC1-142

  • 6GZ1-UP

Information System:

938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Pilot Operated Hydraulic Control (Joystick) - Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Heater Coil - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Diverter Valve (Quick Coupler) - Remove and Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Pilot Operated Hydraulic Control (Joystick) - Remove
3034 Engine for Caterpillar Built Machines Pistons and Connecting Rods - Remove - Serrated Connecting Rod
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Pressure Reducing Valve (Traction Control System) - Remove and Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Main Control Valve - Install
D10R Track-Type Tractor Hub Oil (Flexxaire Fan) - Change - If Equipped
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Selector and Pressure Control Valve (Pilot) - Remove and Install
D6N Track-Type Tractor Machine Systems Bulldozer Lift Cylinder (VPAT) - Remove and Install
D6N Track-Type Tractor Machine Systems Bulldozer Tilt Cylinder (VPAT) - Remove and Install
D6N Track-Type Tractor Machine Systems Sweeps - Remove and Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Heater Coil - Install
3034 Engine for Caterpillar Built Machines Crankshaft - Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Blower Motor (Air Conditioner, Heater) - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Blower Motor (Air Conditioner, Heater) - Install
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Quick Coupler - Remove
D6R Series II Track-Type Tractor Bulldozer Blade Tilt Control
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Window Wiper and Wiper Motor (Front) - Remove
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Quick Coupler - Install
D6R Series II Track-Type Tractor Bulldozer Blade Lift Control
938G Series II Wheel Loader and IT38G Series II Integrated Toolcarrier Machine Systems Window Wiper and Wiper Motor (Front) - Install
Bench Test Procedure for Hydraulic Piston Pumps{1387, 4306, 5070, 5084}
AD30 Underground Articulated Truck Braking System Brake Accumulator