1. Home
  2. Caterpillar
  3. Special Instruction
  4. #i02615566

Installation of Pressurizer Assembly on T-Series Track-Type Tractors{7342} Caterpillar


Installation of Pressurizer Assembly on T-Series Track-Type Tractors{7342}

Usage:

D8T KPZ
Track-Type Tractor:
D8T (S/N: KPZ1-UP)
D9T (S/N: RJS1-UP)
D10T (S/N: RJG1-UP)

Introduction

This special instruction includes the procedure to install the pressurizer assembly and the procedure to test the pressurizer assembly. This special instruction also includes the procedure for installation of the sound suppression group.

After installation is complete, prepare the machine for service. Follow the procedure in the Operation and Maintenance Manual for your machine.

Do not attempt any procedure until you have read the information in this special instruction and you understand the information.

Before performing any steps in the special instruction, you need to make sure that the mounting holes for the precleaner are in the correct location. Refer to Special Instruction, REHS3389, "Improvements To The Case Of The Air Cleaner For The Enhanced Cab" for the proper location of the mounting holes.

Installation of 245-8220 Cab Air Filter on a D9T or D10T

Required Parts for Pressurizer Assembly

Show/hide table
Table 1
245-8220 Cab Air Filter for the D9T and D10T    
Item     Part Number     Description     Qty    
1     3E-7404     Hose Clamp     1    
2     8L-7905     Pop Rivet     4    
3     117-9066     Latch As     1    
4     232-3583     Precleaner Gp     1    
5     235-0320     Rain Cap As     1    
6     261-8821     Bracket As     1    
7     262-5228     Cover As     1    
8     262-5229     Plate As     1    
9     262-5230     Plate As     1    
10     265-0959     Bracket As     1    
11     319-7944     Air Filter Element     1    
12     117-8929     Washer     4    
13     5P-4116     Hard Washer     4    
14     5P-8525     Grommet     1    
15     8T-4138     Bolt (M6 x 1 x 20 mm)     10    
16     8T-4189     Bolt (M8 x 1.25 x 20 mm)     4    
17     8T-4205     Hard Washer     6    
18     6V-9334     Seal     40 cm (15.7 inch)    
19     8T-9005     Seal    
64 cm (25.2 inch)    

Installing the Pressurizer Assembly

    Show/hide table

    Illustration 1g01315322

  1. Attach bracket (6) and bracket (10) to the heater group with four bolts (15) and four washers (17) .

  1. Route the wiring harness up the side of the heater group with duct tape.
    Show/hide table

    Illustration 2g01315647

  1. Install air filter (11) .

    ReferenceRefer to Special Instruction, REHS3368, "Improvements To The Case Of The Air Cleaner For The Enhanced Cab" for the correct procedure for installing air filter (11) .

  1. Attach 41.0 ± 0.3 cm (16.14 ± 0.12 inch) of seal (19) onto plate (9) .
    Show/hide table

    Illustration 3g01315649

  1. Install plate (9) onto bracket (6) with two bolts (15) and two washers (17) .
    Show/hide table

    Illustration 4g01315650

  1. Close plate (9) with latch (21) .

  1. Install cover (7) with the bolts (22) and washers (23) that were removed with 227-4159 Cover As .

  1. Attach seal (18) between the doors on cover (7) .
    Show/hide table

    Illustration 5g01315651

  1. Assemble cap (5) onto precleaner (4) with hose clamp (1) .
    Show/hide table

    Illustration 6g01315652

  1. Install grommet (14) into plate (8) .
    Show/hide table

    Illustration 7g01315653

  1. Install precleaner (4) onto plate (8) with 22.5 ± 0.3 cm (8.86 ± 0.12 inch) of seal (19), four bolts (16), and four washers (12). Torque bolts (16) to 6 ± 1 N·m (53 ± 9 lb in).

  1. Route wiring harness (24) through grommet (14) .
    Show/hide table

    Illustration 8g01315654

  1. Attach plate (8) to cover (7) with four bolts (15) and four washers (13) .

  1. Attach latch (3) onto plate (8) and cover (7) with four rivets (2) .

  1. Connect wiring harness (24) with the wiring harness from Step 2.

  1. After completing these steps, perform the steps in ""Test and Validation of the Pressurizer Assembly" ".

Installation of 256-0194 Cab Air Filter on a D8T

Required Parts for Pressurizer Assembly

Show/hide table
Table 2
256-0194 Cab Air Filter for the D8T    
Item     Part Number     Description     Qty    
25     114-0367     Hose Clamp     3    
26     232-3583     Precleaner Gp     1    
27     235-0320     Rain Cap As     1    
28     261-8820     Plate As     1    
29     261-8821     Bracket As     1    
30     261-8822     Plate As     1    
31     261-8823     Door As     1    
32     261-8824     Plate As     1    
33     265-0959     Bracket As     1    
34     319-7944     Air Filter Element     1    
35     117-8929     Washer     4    
36     5P-4116     Hard Washer     2    
37     8T-4138     Bolt (M6 x 1 x 20 mm)     10    
38     8T-4192     Bolt (M12 x 1.75 x 25 mm)     2    
39     8T-4205     Hard Washer     6    
40     8T-4223     Hard Washer     2    
41     8T-4908     Bolt (M8 x 1.25 x 25 mm)     2    
42     9G-1307     Grommet     1    
43     5P-1680     Hose    
10 cm (3.9 inch)    
44     5P-0810     Seal    
10 cm (3.9 inch)    
45     6V-5654     Seal    
20 cm (7.9 inch)    
46     5P-7210     Seal    
30 cm (11.8 inch)    
47     5P-7482     Seal    
30 cm (11.8 inch)    
48     8T-9005     Seal    
23 cm (9.1 inch)    

Installing the Pressurizer Assembly

    Show/hide table

    Illustration 9g01314932

  1. Attach bracket (29) and bracket (33) to the heater group with four bolts (37) and four washers (39) .

  1. Route the wiring harness up the side of the heater group with duct tape.
    Show/hide table

    Illustration 10g01314933

  1. Attach plate (30) to bracket (29) with two bolts (37) and two washers (39) .
    Show/hide table

    Illustration 11g01314942

  1. Install plate (32) with the bolts that are removed from 216-0870 Plate As .

  1. Install door (31) with the bolts that are removed from 216-0854 Door As .

  1. Install air filter (34), with door (31) and plate (30) open .

    ReferenceRefer to Special Instruction, REHS3368, "Improvements To The Case Of The Air Cleaner For The Enhanced Cab" for the correct procedure for installing air filter (34) .

  1. Close plate (30) and door (31). Secure plate (30) with the latch.
    Show/hide table

    Illustration 12g01314934

  1. Attach hose (43) onto plate (28) with one hose clamp (25) .
    Show/hide table

    Illustration 13g01314935

  1. Install grommet (42) into plate (28) .
    Show/hide table

    Illustration 14g01314936

  1. Install precleaner (26) onto plate (28) with seal (48), four bolts (35), and four washers (37). Torque bolts (35) to 6 ± 1 N·m (53 ± 9 lb in).
    Show/hide table

    Illustration 15g01314937

  1. Attach rain cap (27) onto precleaner (26) with one hose clamp (25) .
    Show/hide table

    Illustration 16g01314939

  1. Install plate (28) onto plate (32) with two washers (36) and two bolts (41) .

  1. Connect wiring harness (50) to the wiring harness on the side of the heater group from Step 2.
    Show/hide table

    Illustration 17g01314940

  1. Attach hose (43) to plate (30) with one hose clamp (25) .
    Show/hide table

    Illustration 18g01314941

  1. Attach plate (28) to the base of the ROPS with two washers (40) and two bolts (38) .

Test and Validation of the Pressurizer Assembly

Show/hide table
Table 3
Required Parts    
Item     Part Number     Description     Qty    
51     199-6268     Differential Pressure Gauge     1    
52     199-9817     Carrying Case     1    
53         Clear flexible tubing    
177.8 cm (70 inch)    

  1. Replace the fresh air and recirculation filter elements with new filters.
    Show/hide table

    Illustration 19g01390609

  1. Plug the low pressure port and the high pressure port on the back of gauge (51) with the plugs that are provided.

  1. Assemble the gauge onto the L bracket (54) that is provided.
    Show/hide table

    Illustration 20g01390611

  1. Lift floor mats and remove one bolt from the floorplate.

  1. Close all windows and shut doors tightly.

  1. Turn the blower to the OFF position.

  1. Place pressure gauge (51) on the dash. Make sure that the gauge is level.

  1. Zero gauge (51) by using the screw on the gauge face.

  1. By using the barbed fitting that is provided, attach a hose that is approximately 147.32 cm (58 inch) to the low pressure port on the side of gauge (51) .

  1. By using the barbed fitting that is provided, attach a hose that is approximately 30.48 cm (12 inch) to either high pressure port on the side of gauge (51) .

  1. Route the free end of the low pressure tubing (53) through hole (55) in the floorplate that was created by removing the bolt from the floor.

  1. Ensure that no air vents are directed toward the free end of the high pressure tubing (53) .

  1. Verify that gauge (51) reads zero.

  1. Start the engine.

  1. Operate the engine at LOW IDLE.

  1. Open all air vents.

  1. Turn on the fan speed switch to the HIGH position. Wait in order to stabilize the cab pressure.

  1. Read the cab pressure. Make sure that gauge (51) stays level.

    Note: The reading should be greater than 0.05 kPa (0.2 inch of H2O).

Caterpillar Information System:

AD55B Underground Articulated Truck Power Train Electronic Control Module (Power Train/Chassis)
AD55B Underground Articulated Truck Power Train Power Train Electrical System
AD55B Underground Articulated Truck Power Train General Information
PL61 Pipelayer and D6K Track-Type Tractor MID 039 - CID 0190 - FMI 08
657G Wheel Tractor-Scraper Wheel Tractor Power Train Gear Pump (Transmission) - Assemble
657G Wheel Tractor-Scraper Wheel Tractor Power Train Gear Pump (Transmission) - Disassemble
C15 On-Highway Engine Fuel Quality - Test
770 and 772 Off-Highway Truck Chassis Electronic Control System Service Tools
657G Wheel Tractor-Scraper Wheel Tractor Power Train Transmission, Torque Converter, Transfer Gears and Differential - Install
657G Wheel Tractor-Scraper Wheel Tractor Power Train Transmission, Torque Converter, Transfer Gears and Differential - Remove
2006/09/25 A New Cartridge Pin Is Now Used {6107, 6117, 6118}
D6G Series II Track-Type Tractor Power Train Sprocket Hub - Install
D7G and D7G Series II Track-Type Tractors Power Train Sprocket Segment - Remove and Install
814F Series 2 Wheel Dozer, 815F Series 2 Soil Compactor and 816F Series 2 Landfill Compactor Engine Supplement Fan Drive - Remove
814F Series 2 Wheel Dozer, 815F Series 2 Soil Compactor and 816F Series 2 Landfill Compactor Engine Supplement Fan Drive - Install
814F Series 2 Wheel Dozer, 815F Series 2 Soil Compactor and 816F Series 2 Landfill Compactor Engine Supplement Fan Drive - Disassemble
814F Series 2 Wheel Dozer, 815F Series 2 Soil Compactor and 816F Series 2 Landfill Compactor Engine Supplement Fan Drive - Assemble
963D Track-Type Loader Machine Systems Hydraulic Tank - Disassemble
963D Track-Type Loader Machine Systems Hydraulic Tank - Assemble
Bench Test Procedure for a D6C, D6D, D6E, D6G, and D6G Series II Track-Type Tractor Transmission{3030, 3073} Bench Test Procedure for a D6C, D6D, D6E, D6G, and D6G Series II Track-Type Tractor Transmission{3030, 3073}
D6K Track-Type Tractor Hydraulic System Control Valve (Bulldozer Angle)
PL61 Pipelayer and D6K Track-Type Tractor MID 039 - CID 0247 - FMI 09
AccuGrade® - CD700 Grade Control System (GPS/ATS/Laser) General Information
IT38H Integrated Toolcarrier and 938H Wheel Loader Hydraulic Tank Breaker Relief Valve - Clean
Back to top
Contacts My AVS
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.