Installing the 361-0447 Air Conditioner ; Heater Installation Kit {1802, 1805, 1808, 1812, 7304, 7309, 7320, 7342, 734D} Caterpillar


Installing the 361-0447 Air Conditioner & Heater Installation Kit {1802, 1805, 1808, 1812, 7304, 7309, 7320, 7342, 734D}

Usage:

257B3 B7H
Multi Terrain Loader:
257B3 (S/N: B7H1-UP)

Introduction

ReferenceOperation and Maintenance, SEBU7732, "247B, 257B, 267B, 277B, and 287B Multi Terrain Loaders"

ReferenceOperation and Maintenance, SEBU8495, "216B3, 226B3, 236B3, 242B3, and 252B3 Skid Steers Loaders, 247B3 and 257B3 Multi Terrain Loaders and 259B3 Compact Track Loader"

ReferenceDisassembly and Assembly, RENR4878, "Machine Systems - 247B and 257B Multi Terrain Loaders"

ReferenceDisassembly and Assembly, UENR0252, "Machine Systems - 216B3, 226B3, 236B3, 242B3, AND 252B3 Skid Steer Loaders 247B3 AND 257B3 Multi Terrain Loaders AND 259B3 Compact Track Loader"

ReferenceTesting and Adjusting, SENR5664, "Air Conditioning and Heating R-134a - for All Caterpillar Machines"

This Special Instruction provides basic instructions for installing the heater/air conditioner on the listed machines. The configuration of this kit differs slightly between the 247B machines and the 257B machines. Therefore, read the information that is provided in this publication before you begin installation. Also, read the information in the service manual for your machine that is referenced in this instruction.

Use standard values of torque for fasteners and for connectors unless a value is specified in the procedure.

To prevent damage to the condenser coil, use a wrench to support the connectors when you torque the hose connections to the condenser coil

Before installation, lubricate O-ring seals with a mineral-based refrigerant oil that is compatible with the R134a refrigerant.

The 361-0447 Air Conditioner and Heater Installation Kit on 242B3 Machine




Illustration 1g02315813

The 361-0447 Heater and Air Conditioner Kit on 257B3 machines.

(A) 218-6405 Air Conditioner Gp

(B) 218-6394 Cab Air Duct Gp

(C) 186-6190 Refrigerant Accumulator Gp

(D) 326-5357 Refrigerant Compressor Gp

(E) 218-6348 Refrigerant Condenser and Mounting Gp

(F) 326-5757 Air Conditioner Lines Gp

(G) 326-5745 Heater Lines Gp

Installation Instructions

Preparing for the Installation

  1. Remove the left console and the right console from the operator compartment. Discard the consoles and the hardware.

218-6348 Refrigerant Condenser and Mounting Gp




    Illustration 2g02334983

    Assembling the 218-6348 Refrigerant Condenser and Mounting Gp

    (1) 218-6060 Shroud

    (2) 218-6250 Fan

    (3) 233-5927 Coil

    (4) 5C-7261 Nut (M8 x 1.25

    (5) 8T-4121 Hard Washer

    (6) 8T-4133 Nut (M10 x 1.5)

    (7) 8T-4189 Bolt (M8 x 1.25)

    (8) 8T-4224 Hard Washer

  1. Assemble the 218-6348 Refrigerant Condenser and Mounting Gp per Illustration 2.


    NOTICE

    Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

    Refer to Special Publication, NENG2500, "Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Cat products.

    Dispose of all fluids according to local regulations and mandates.


    ------ WARNING! ------

    Personal injury or death can result without releasing all of the hydraulic pressure.

    Release all the pressure from the hydraulic system before any lines are disconnected.

    ----------------------

  1. Temporarily remove the following components in order to facilitate installation of the condenser.

    • Hydraulic tank

    • Air cleaner and hose

    • Muffler

    • Hose clips that are fastened to bosses around the opening in the front wall of the engine compartment




    Illustration 3g02334988

    Mounting the 218-6348 Refrigerant Condenser and Mounting Gp

    (5) 8T-4121 Hard Washer

    (6) 8T-4133 Nut (M10x1.5)

  1. Mount the 218-6348 Refrigerant Condenser and Mounting Gp in the opening in the front wall of the engine compartment. Use four hard washers (5) and four M10x1.5 nuts (6) .

Installing the 186-6190 Refrigerant Accumulator Gp




Illustration 4g01056939

Installing the 186-6190 Refrigerant Accumulator Gp

(1) 085-8091 Bolt (M10x1.5)

(3) 101-8296 Clip

(17) 186-6190 Refrigerant Accumulator Gp

(51) 5P-0802 Seal

(60) 8T-4121 Hard Washer

(69) 9C-2741 Spacer

  1. Install a 150 mm (6 inch) length of seal (51) to the concave surface of both clips (3). Install the seal by removing the protective strip from the back of the seal and by pressing the seal to the clip.

    Place clips (3) around accumulator (17) so that the two clips encircle the body of the accumulator.

  1. Mount accumulator (17) to the bosses that are provided on the left wall of the lower frame. Use two spacers (69), two M10x1.5 bolts (1) and two hard washers (60). Position the accumulator, as shown. See Illustration 4.

Installing the 276-9875 Refrigerant Compressor Gp

  1. Open the engine access door. Refer to Operation and Maintenance, "Engine Access Door" for operation instructions.

  1. Tilt the radiator. Refer to Operation and Maintenance, "Radiator Tilting" for operation instructions.



    Illustration 5g02299197

    (116) 280-8408 Belt Guard

    (117) 8T-7934 Hard Washer

    (118) 354-6574 Special Bolt

    (120) 5P-4116 Hard Washer

  1. Remove the four screws (118) and the four hard washers (117). Loosen the two screws (119). Then, slide guard (116) upward and remove the guard. See Illustration 5.

    Retain the guard, the screws, and the hard washers for the reinstallation.




    Illustration 6g01453988

    (120) (122) 8T-4908 Bolt

    (121) 326-5348 Bracket As

    (122) 5P-4116 Hard Washer

  1. Perform Step 4.a through Step 4.c in order to remove the fuel/water separator temporarily from the frame.

    Note: Do not disconnect the hoses.

    1. Remove the cable strap that secures the electrical connector to the support clip. Then, unplug the electrical connector from the 328-2277 Engine Harness As .

    1. Remove the two bolts (120) in order to disconnect bracket (121) from the rear tower plate temporarily. Retain these bolts for the reinstallation.

    1. Then, place the bracket with the fuel/water separator on the floor of the engine compartment.



    Illustration 7g01454537

    (124) 8T-4192 Bolt

    (125) 8T-4223 Hard Washer

  1. Remove the three bolts (124) and the three hard washers (125) that are shown in Illustration 7. Discard the bolts and the hard washers.



    Illustration 8g02299233

    (18) 8T-4223 Hard Washer

    (19) 8T-4183 Bolt

    (48) 280-8395 Bracket

    (90) 4P-7429 Clip

  1. Install bracket (48). Use the three new bolts (19) with three new washers (18) for installing the bracket. See Illustration 8.

    Note: Install clip (90) with the installation of bolt (19) and hard washer (18). Orient the clip, as shown.




    Illustration 9g02299299

    (13) 8T-4121 Hard Washer

    (15) 8T-4195 Bolt

    (30) 315-7790 Support

    (64) 326-5409 Hose As (262B3)

    (69) 326-5777 Hose As (257B3)

    (86) 276-9875 Refrigerant Compressor Gp

    Note: Perform Step 7 and Step 8 before you install the compressor in the machine.

  1. Install hoses (64) and (69) to compressor (86) per Step 7.b through Step 7.c. Refer to Illustration 9.

    1. Connect hose (64) to the compressors suction port.

    1. Connect hose (69) to the compressors discharge port.

    1. Install support (30) in order to hold the hoses in place. Install the support with bolt (15) and hard washer (13) .



    Illustration 10g01473612

    (13) 8T-4121 Hard Washer

    (14) 8T-4133 Nut

    (16) 8T-4196 Bolt

    (47) 258-2466 Bracket

    (86) 276-9875 Refrigerant Compressor Gp

  1. Install bracket (47) to compressor (86). Use two bolts (16), four washers (13), and two nuts (14), as shown. See Illustration 10.



    Illustration 11g01473632

    (13) 8T-4121 Hard Washer

    (14) 8T-4133 Nut

    (16) 8T-4196 Bolt

    (20) 8T-6685 Bolt

    (31) 113-0693 Lockwasher

    (48) 280-8395 Bracket

    (86) 276-9875 Refrigerant Compressor Gp

  1. Install compressor (86) onto bracket (48). Use bolt (20), three hard washers (13), and nut (14) in order to secure the compressor to the top of bracket (48). See Illustration 11.

    Note: Insert bolt (20) from the front of bracket (48). Insert the bolt so that nut (14) is installed on bolt (20) from the rear of bracket (48), as shown. Only hand tighten nut (14) in the procedure.

    Note: Loosely route the hoses toward the front of the machine between the engine and left wall of the engine compartment.

    Then, install bolt (16), lock washer (31), and hard washer (13) in order to secure the compressor onto the bottom of bracket (48). Only hand tighten bolt (16) in the procedure.




    Illustration 12g02334477

    (89) 7K-1181 Cable Strap

    (90) 4P-7429 Clip

    (150) 328-2276 Engine Wiring Gp

    (151) 189-3158 Arc Suppressor

  1. Secure the engine harness (150) to clip (90) with a cable strap (89) .

    1. Remove seal caps from connectors

  1. Connect the compressors electrical connector to connector E-C16 on the 328-2276 Engine Wiring Gp . See Table 1.

  1. Connect arc suppressor (151) to the connector on 328-2276 Engine Wiring Gp .

    Table 1
    Connector E-C16    
    Pin     Wire Color     Wire Number    
    1     Orange     E554    
    2     Black     200    



    Illustration 13g01473672

    (14) 8T-4133 Nut

    (16) 8T-4196 Bolt

    (49) 258-3539 V-Belt

  1. Install belt (49). Move the air conditioner compressor until the correct belt tension is achieved.

    Refer to Operation and Maintenance, "Belts - Inspect/Adjust/Replace" for the proper belt tension.

    Tighten bolt (16) in order to maintain belt tension. Then, tighten the nut (14). See Illustration 13.




    Illustration 14g02299197

    (116) 280-8408 Belt Guard

    (117) 8T-7934 Hard Washer

    (118) 354-6574 Special Bolt

    (120) 5P-4116 Hard Washer

  1. Reinstall belt guard (116) with the screws and the hard washers that were retained in Step 3. Also, tighten screws (119). See Illustration 14.

  1. Reinstall the fuel/water separator that was removed in Step 4. Reconnect the electrical connector to the 258-4108 Chassis Harness As and secure the electrical connector with a cable strap. See Illustration 6.

Installing the 229-8747 Air Conditioner and Mounting Gp




Illustration 15g02297654

Preparing the heating and air conditioning unit for 242B machines

(F) Hose between the heater outlet and the radiator

(G) Hose between the engine block and the heater inlet

(H) Heater inlet

(J) Heater outlet

(K) Air conditioner inlet

(L) Air conditioner outlet

(13) 136-1953 Hose

(25) 218-6405 Air Conditioner Gp

(31) 218-5686 Hose As (A/C Inlet)

(33) 233-5863 Hose As (A/C Outlet)

(59) 8T-0154 Hose Clamp

(76) 9X-7381 O-Ring Seal

(77) 9X-7382 O-Ring Seal

(85) 9X-2092 Edge Trim

  1. Cut two lengths of hose (13) per Table 2.

    Table 2
    Machine     Hose (F)     Hose (G)    
    Hose (F) is installed between the heater outlet and the radiator. (1) Hose (G) is installed between the engine block and the heater inlet. (1)    
    242B3    
    2162 mm (85 inch)    

    1649 mm (65 inch)    
    ( 1 ) Use 136-1953 Hose (13)

  1. Connect the specified lengths of hose to the inlet (H) and to the outlet (J) on the bottom of heater. Use a hose clamp (59) for each connection. See Illustration 15.

    Tighten the hose clamps to a torque of 6 ± 1 N·m (4 ± 1 lb ft).

  1. Connect hose assembly (31) to the air conditioner inlet (K). Use an O-ring seal (76) in this connection.



    Illustration 16g01056270

    Installing the Air Conditioner Gp in the machine

    (66) 8T-4224 Hard Washer

    (57) 7X-2537 Bolt (M8x1.25)

  1. Place heating and air conditioning unit (25) in position on the left side of the lower frame, as shown. See Illustration 16.

    Loosely route the hoses under the torque tube and into the engine compartment.

  1. Secure the heating and air conditioning unit (25) to the lower frame. Use four M8x1.25 bolts (57) and four hard washers (66)

    Tighten the bolts to a torque of 6 ± 1 N·m (4 ± 1 lb ft).

Installing the Air Conditioner Lines




Illustration 17g02334737

(1) 7K-1181 Cable Strap

(2) 315-7790 Plate

(3) 178-3620 Strap

(4) 186-6190 Refrigerant Accumulator Gp

(5) 189-3158 Arc Suppressor

(6) 200-6345 Mount

(8) 221-3879 Heater and Air Conditioner Harness As

(11) 312-2179 Bracket As

(12) 326-5409 Hose As

(13) 326-5777 Hose As

(14) 085-8091 Bolt

(15) 095-0913 Clip

(16) 252-0359 Hose As

(17) 218-5686 Hose As

(18) 101-8296 Clip

(19) 3S-2093 Cable Strap

(20) 6D-4246 Clip

(21) 8T-4121 Hard Washer

(22) 8T-4189 Bolt

(23) 8T-4189 Bolt

(24) 8T-4224 Hard Washer

(25) 9C-2741 Spacer

(26) 234-0566 Fitting As

(27) 236-6923 Pressure Switch

(28) 246-9039 Information Plate

(45) 9X-7378 O-Ring Seal

(46) 9X-7380 O-Ring Seal

(47) 9X-7381 O-Ring Seal

(48) 9X-7382 O-Ring Seal

(49) 9X-7383 O-Ring Seal

(50) 5P-0802 Seal

  1. Route the free end of hose assembly (16) to the accumulator. Connect the hose assembly to fitting assembly (26). Use O-ring seal (49) in this connection.

  1. Route free end of hose assembly (17) to condenser. Connect the hose assembly to the outlet port of the condenser (bottom port). Use 0-ring (46) in this connection.



    Illustration 18g02334999

  1. Secure Hose (12) to 328-2277 Engine Harness As . Use 178-3620 Strap in order to secure the hose

  1. Secure Hose (12) to 142-8719 Adapter Plate using one 312-2179 Bracket As and one 095-0913 Clip . Ensure that bracket is oriented as shown. Loop portion of p-clip should be located ob top side to ensure that hose is constrained above oil cooler lines.



    Illustration 19g02334836

  1. Secure Hose (12) to 326-5799 Tube As . Use 2 7K-1181 Cable Straps and 1 200-6345 Mount .



    Illustration 20g02334877

  1. Connect free end of Hose (12) to Accumulator (4) as shown in illustration below. Use O-ring (49) in this connection. Ensure that hose coupling orientation with respect to frame side sheet is as shown in illustration below



    Illustration 21g02334885

  1. Secure Hose (13) to rear engine mount using bracket (11) and P-clip (20) .



    Illustration 22g02335003

  1. Secure hose (13) to condenser inlet port (top) as shown in Illustration 23. Install 9X-7381 O-Ring Seal into hose (47) .



    Illustration 23g02335005

  1. Install pressure switch (27) in the fitting for hose assembly (17). Use an O-ring seal (45) in this connection.

    Tighten the pressure switch to a torque of 8 ± 1.5 N·m (6 ± 1 lb ft).

  1. Use a cable strap (19) and install plate (28) to fitting assembly (26)

Installing the 326-5745 Heater Lines Gp




Illustration 24g02336221



Illustration 25g02334957

(1) 7K-1181

(2) 8T-0154

(3) 004-6810

(4) 178-3620

(5) 218-6645

(6) 6D-1641

(7) 8T-4121

(8) 8T-4133

(9) 8T-4136

(10) 9X-8250

(11) 136-1953

(12) 9X-2092

------ WARNING! ------

Personal injury can result from hot coolant, steam and alkali.

At operating temperature, engine coolant is hot and under pressure. The radiator and all lines to heaters or the engine contain hot coolant or steam. Any contact can cause severe burns.

Remove filler cap slowly to relieve pressure only when engine is stopped and radiator cap is cool enough to touch with your bare hand.

Cooling System Conditioner contains alkali. Avoid contact with skin and eyes.

----------------------


NOTICE

Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting, and repair of the machine. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.

Refer to Special Publication, NENG2500, "Caterpillar Tools and Shop Products Guide"for tools and supplies to collect and contain fluids in Caterpillar machines.

Dispose of all fluids according to local regulations.





    Illustration 26g02335017

  1. Secure heater hoses to accumulator 233-5863 Hose As . Use one 7K-1181 Cable Strap .



    Illustration 27g02336222

  1. Secure heater hoses to upper frame cross member using dual loop 6D-1641 Clip which is to be attached to boss provided on frame cross member



    Illustration 28g02336223

  1. Attach 9X-2092 Edge Trim to gusset on upper frame as shown to protect heater hoses from gusset edge.

  1. Secure heater outlet hose to 9R-1610 Threaded Boss provided on upper frame cross member using 9X-8250 Clip .



    Illustration 29g02335020

  1. Secure heater outlet hose on stud 227-6715 Stud provided on radiator using 9X-8250 Clip .



    Illustration 30g02335021

  1. Secure heater outlet hose to elbow (3) using clamp (2) as shown in image below.



    Illustration 31g02335536



    Illustration 32g02336225



    Illustration 33g02336227

  1. Secure heater inlet hose on turbo inlet tube flange using 9X-8250 Clip



    Illustration 34g02336229

  1. .Secure heater inlet hose to radiator hose using 178-3620 Strap

Installing the 221-3879 Heater and Air Conditioner Harness As




Illustration 35g02298284

The 221-3879 Heater and Air Conditioner Harness As

(38) 221-3879 Heater and Air Conditioner Harness As

(47) 3S-2093 Cable Strap

(48) 7K-1181 Cable Strap

Table 3
221-3879 Heater and Air Conditioner Harness As (38)    
Connector ID     Connection    
AC-T1     Ground Stud    
AC-C1     HVAC    
AC-C2     Condenser Fan    
AC-C3     Condenser Fan    
AC-C4     Pressure Switch    
AC-C5     Connector P-C32 on Platform Harness (513-OR wire)    

  1. Install harness (28) by making connections per Table 3.

  1. Secure the harnesses to existing harnesses with cable straps (33) .

Installing the 218-6394 Duct and Control Gp




Illustration 36g01056286

The 218-6394 Duct and Control Gp

(14) 146-6371 Louver As

(21) 218-6396 Duct

(22) 218-6397 Console (RH)

(23) 218-6398 Console (LH)

(24) 5P-4610 Strip Insulation

(26) 218-6414 Seal

(27) 285-9133 Insulation

(39) 285-8565 Insulation and 285-8570 Insulation

(43) 240-6877 Seal

(44) 240-6878 Seal

(45) 240-6879 Seal

(55) 6V-6689 Screw

(67) 5P-3602 Seal

(72) 175-0005 Screw

  1. Prepare console (23) by installing seal (44) to the outside surface of the console.

    Note: The seal is provided with a pressure sensitive adhesive. For installation instructions, see "Instructions for Using Pressure Sensitive Adhesive" in the Appendix.

    Next, install seal (45). Seal (45) is positioned around the pilot lines at the opening in the bottom of the console.

  1. Position seal (26) around the opening in the front of the heater. Then, place console (23) in position in front of the heater. Secure console (23) to the support bracket for the joystick control. Use the four M6x1 screws (72) .

    Tighten the screws to a torque of 12 ± 3 N·m (9 ± 2 lb ft).

  1. Prepare console (22) by installing seal (43) to the outside surface of the console.

    Note: The seal is provided with a pressure sensitive adhesive. For installation instructions, see "Instructions for Using Pressure Sensitive Adhesive" in the Appendix.

    Next, install seal (45). Seal (45) is positioned around the pilot lines at the opening in the bottom of the console.

  1. Secure console (22) to the support bracket for the joystick control. Use four M6x1 screws (72) .

    Tighten the screws to a torque of 12 ± 3 N·m (9 ± 2 lb ft).

  1. Assemble seal (24) to duct (21). Install duct (21) to the heating and air conditioning unit and to console (22). Use two screws (55) to install the duct.

    Tighten the screws to a torque of 2.25 ± 0.25 N·m (1.7 ± 0.2 lb ft).

    Note: Loosening the vertical floorplate will facilitate installation of duct (21) .

  1. Install three louvers (14) in console (22) and install three louvers (14) in console (23) .

  1. Install two 172 ± 5 mm (7 ± 0.2 inch) lengths of seal (67) under the lip of the 218-6416 Plate As (Vertical) and on either side of the 218-6417 Floorplate As .

    Note: The seal is provided with a pressure sensitive adhesive. For installation instructions, see "Instructions for Using Pressure Sensitive Adhesive" in the Appendix.

  1. Install insulation (27) and seal (39) to the canopy.

    Note: The seal is provided with a pressure sensitive adhesive. For installation instructions, see "Instructions for Using Pressure Sensitive Adhesive" in the Appendix.

Completing Installation

  1. Reinstall the following components that were temporarily removed in order to facilitate the installation of this kit.

    • Hydraulic system oil tank

    • Air cleaner and hose

    • Muffler

    • Hoses for the right drive motor

    • Hose clips

    • Vertical Floorplate

  1. Refill the hydraulic system oil tank.

    Refer to "Lubricant Viscosities" and refer to "Refill Capacities" in the Operation and Maintenance Manual for your machine.

  1. Plug the electrical connector for the heater into Connector P-C32 in the 328-2275 Platform Harness As .

Charging the Air Conditioner System

Use the procedure "Complete Charge of the System from a Refrigerant Tank with a Scale" to charge the air conditioner system. This procedure is part of the Testing and Adjusting, SENR5664, "Air Conditioning and Heating R-134a for All Caterpillar Machines"". This procedure can be obtained through the normal literature distribution system. This procedure can also be found on the Caterpillar Service Information System (SIS).

Note: Charge the system with 0.81 kg (1.8 lb) of R-134a refrigerant.

Checking the Installation

  1. Refill the cooling system.

    Refer to "Coolant Recommendations" and refer to "Cooling System Specifications" in the Operation and Maintenance Manual for your machine.

  1. Start the engine. Run the engine without the radiator cap until the thermostat opens and the coolant level stabilizes. Maintain the coolant level in the sight gauge.

  1. Stop the engine. Install the radiator cap.

  1. Check the hoses and check the fittings for leaks.

  1. Start the engine.

  1. Check the heater for proper operation.



      Illustration 37g02298336

    1. The temperature control knob (H1) adjusts the output temperature.

      • Turn the temperature control knob clockwise in order to increase the temperature.

      • Turn the temperature control knob counterclockwise in order to decrease the temperature.

    1. The A/C switch (H2) controls the air conditioner.

      • Press the front portion of the rocker switch in order to turn on the air conditioner.

      • Press the rear portion of the rocker switch in order to turn off the air conditioner.

    1. The fan switch (H3) controls the two-speed blower fan motor.

      • Press the rear portion of the rocker switch for low fan speed.

      • Press the front portion of the rocker switch for high fan speed.

      • Return the switch to the neutral position in order to turn off the fan.

    1. The louvers (H4) direct the flow or air, as needed.

      • Each louver can be rotated for 360°.

      • Each louver can be adjusted from a fully closed position to a fully open position.

    1. In order to access the air filters (H5), see "Accessing the Cab Air Filters" in the Appendix.

Instructions for Using Pressure Sensitive Adhesive

  1. Clean the surface by wiping the surface with a 50/50 mixture of isopropyl alcohol and water. Allow the surface to dry completely.

  1. Remove the protective paper from the seal and press the seal in position.

  1. Use a roller or a similar device and apply a minimum of 103 kPa (15 psi) over the entire surface in order to bond the adhesive to the surface.

    Note: Pay special attention to the edges and to the corners in order to ensure that these areas are bonded securely. Avoid conditions that would apply stress to the bond for 24 hours after installation.

Accessing the Cab Air Filters




Illustration 38g02298373

(1) 185-4015 Clip

(2) 202-2284 Rocker Switch

(3) 206-7398 Control Knob

(4) 218-6399 Seal

(5) 218-6948 Heater and Air Conditioner Harness As

(6) 231-8122 Side Housing As

(7) 231-8123 Evaporator Coil As

(8) 231-8124 Heater Coil As

(9) 231-8126 Water Valve As

(10) 231-8127 Grommet

(11) 231-8132 Cab Air Filter Element

(12) 231-8133 Panel

(13) 231-8137 Film

(14) 231-8141 Grommet

(15) 232-1384 Air Conditioner Orifice As

(16) 236-5067 Rocker Switch

(17) 295-5440 Motor

(18) 303-6658 Cab Air Filter Element

(19) 305-2969 Thumb Screw

(20) 312-1683 Cover Housing

(21) 312-2635 Access Cover Gp

(22) 119-9631 Temperature Switch

(23) 236-5069 Relay As

(24) 7X-2031 Retainer

Parts Information

Table 4
361-0447 Kit- Coil    
5     3S-2093     Cable Strap    
1     4P-7429     Clip    
14     5C-7261     Nut    
3     5P-0802     Seal    
4     5P-3602     Seal    
5     5P-4610     Strip Insulation    
1     6D-1641     Clip    
1     6D-4246     Clip    
2     6V-6689     Screw    
6     7K-1181     Cable Strap    
4     7X-2537     Bolt    
4     8T-0154     Hose Clamp    
19     8T-4121     Hard Washer    
8     8T-4133     Nut    
2     8T-4136     Bolt    
3     8T-4183     Bolt    
16     8T-4189     Bolt    
1     8T-4195     Bolt    
3     8T-4196     Bolt    
3     8T-4223     Hard Washer    
26     8T-4224     Hard Washer    
1     8T-6685     Bolt    
2     9C-2741     Spacer    
26     9X-2092     Edge Trim    
1     9X-7378     O-Ring Seal    
1     9X-7380     O-Ring Seal    
2     9X-7381     O-Ring Seal    
1     9X-7382     O-Ring Seal    
3     9X-7383     O-Ring Seal    
3     9X-8250     Clip    
1     004-6810     Elbow    
2     085-8091     Bolt    
1     095-0913     Clip    
2     101-8296     Clip    
1     113-0693     Lockwasher    
382 cm     136-1953     Hose    
6     146-6371     Louver As    
8     175-0005     Screw    
3     178-3620     Strap    
1     186-6190     Refrigerant Accumulator Gp    
1     189-3158     Arc Suppressor    
1     200-6345     Mount    
1     218-5686     Hose As    
1     218-6060     Shroud    
2     218-6250     Fan    
1     218-6396     Duct    
1     218-6397     Console    
1     218-6398     Console    
1     218-6405     Air Conditioner Gp    
1     218-6414     Seal    
1     218-6645     Elbow    
1     221-3879     Heater and Air Conditioner Harness As    
1     233-5927     Coil    
1     234-0566     Fitting As    
1     236-6923     Pressure Switch    
1     240-6877     Seal    
1     240-6878     Seal    
2     240-6879     Seal    
    246-9039     Information Plate    
    252-0359     Hose As    
    258-2466     Bracket    
    258-3539     V-Belt    
    276-9875     Refrigerant Compressor Gp    
    280-8395     Bracket    
    285-8565     Insulation    
    285-8570     Insulation    
    285-9133     Insulation    
    312-2179     Bracket As    
    315-7790     Plate    
    326-5409     Hose As    
    326-5777     Hose As    

Table 5
Miscellaneous Parts    
Qty     Part Number     Description    
1     5P-3413     Pipe Sealant    
1     8T-9022     Silicone Gasket    

Table 6
Service Replacement Part
186-6190 Refrigerant Accumulator Gp  (1)    
Part Number     Description    
176-3900     Refrigerant Accumulator Gp    
( 1 ) Nonserviceable Item

Table 7
Service Repair Parts
218-6405 Air Conditioner Gp  (1)    
Qty     Part Number     Description    
10     185-4015     Clip    
1     202-2284     Rocker Switch    
    206-7398     Control Knob    
1     218-6399     Seal    
1     218-6948     Heater and Air Conditioner Harness As    
1     231-8122     Side Housing As    
1     231-8123     Evaporator Coil As    
1     231-8124     Heater Coil As    
1     231-8126     Water Valve As    
1     231-8127     Grommet    
1     231-8132     Cab Air Filter Element    
    231-8133     Panel    
1     231-8137     Film    
1     231-8141     Grommet    
1     231-1384     Tube    
1     236-5067     Rocker Switch    
1     295-5440     Motor    
1     303-6658     Cab Air Filter Element    
2     305-2969     Thumb Screw    
1     312-1683     Cover Housing    
1     312-2635     Access Cover Gp    
1     119-9631     Temperature Switch    
1     236-5069     Relay As    
( 1 ) Nonserviceable Item

Table 8
Service Repair Parts
   
Part Number     Description    
7X-2031     Retainer    

Table 9
Service Repair Parts
5P-0802 Seal  (1)    
Part Number     Description    
5P-5924     Seal    
( 1 ) Nonserviceable Item

Table 10
Service Repair Parts
8T-5371 Seal  (1)    
Part Number     Description    
8T-5372     Seal    
( 1 ) Nonserviceable Item

Caterpillar Information System:

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