2011/12/19 Caterpillar


Control Panel Kit is Available for CX31/CX35 and TH31/TH35 Transmissions with Certain Engines used in Pumping Applications {7451}

Usage:

TH31-E61 LAD
Petroleum Transmission:
CX31-P600 (S/N: PFW1-UP)
CX35-P800 (S/N: TRJ1-UP)
TH31-E61 (S/N: LWC1-UP; LAD1-UP; SKY1-UP)
TH35-E81 (S/N: MSB1-UP; TZM1-UP; PZT1-UP)
Petroleum Power Train Package:
CX31-P600-C9I (S/N: PDZ1-UP)
CX31-P600-C11I (S/N: PDY1-UP)
CX31-P600-C13I (S/N: PDN1-UP)
CX31-P600-C15I (S/N: PDM1-UP)
CX31-P600-C18I (S/N: PDL1-UP)
CX35-P800-C18I (S/N: PCZ1-UP)
CX35-P800-C27I (S/N: PCY1-UP)
TH31-C9I (S/N: PAZ1-UP)
TH35-C11I (S/N: PBZ1-UP)
TH35-C13I (S/N: PBY1-UP)
TH35-C15I (S/N: PBN1-UP)
Service Magazine SEPD0979, 16 February 2009, "Control Panel Kit is Available for TH31/TH35 Transmissions with C13 or C15 Engines used in Pumping Applications". Disregard this article. The correct information follows.

A control panel kit is available for pumps that are used on the TH31/TH35 transmissions with the following engines: C9 - C15 Tier III ACERT.

A control panel kit is available for pumps that are used on CX31/CX35 transmissions with the following engines: C9 - C18 Tier III ACERT and C27 Tier II ACERT.

The panel kit contains two panels as well as "J1939" harnesses in order to connect the two panels to the engine and the transmission. There are two versions of this kit. One version is for 12-volt applications, and the other kit is for 24-volt applications. The panel kits that are for both 12-volt and 24-volt applications have the exact same function and the exact same operating procedure.

Required Parts

12-Volt Panel Kit Parts List

Table 1
330-4136 Control Panel Gp (1)    
Qty     Part
Number    
Description    
1     328-2149     Transmission Harness As    
1     328-2150     Platform Harness As    
1     328-2156     Instrument Panel Gp (Engine)    
1     328-2157     Instrument Panel Gp (Platform)    
1     373-4891     Engine Harness As    
( 1 ) For use with TH models.

Table 2
344-3955 Control Panel Gp (2)    
Qty     Part
Number    
Description    
1     328-2150     Platform Harness As    
1     344-3956     Instrument Panel Gp (Platform)    
1     344-3957     Instrument Panel Gp (Engine)    
1     344-3958     Transmission Harness As    
1     373-4891     Engine Harness As    
( 2 ) For use with CX models.

24-Volt Panel Kit Parts List

Table 3
335-4029 Control Panel Gp (1)    
Qty     Part
Number    
Description    
1     328-2149     Transmission Harness As    
1     328-2150     Platform Harness As    
1     335-4026     Instrument Panel Gp (Engine)    
1     335-4027     Instrument Panel Gp (Platform)    
1     373-4891     Engine Harness As    
( 1 ) For use with TH models.

Table 4
344-3962 Control Panel Gp (2)    
Qty     Part
Number    
Description    
1     328-2150     Platform Harness As    
1     344-3958     Transmission Harness As    
1     344-3963     Instrument Panel Gp (Platform)    
1     344-3964     Instrument Panel Gp (Engine)    
1     373-4891     Engine Harness As    
( 2 ) For use with CX models.

Wiring Diagram

Note: Power for the panel group must come directly from the battery.

Note: Do NOT connect the positive "+" wire of the panel group to the starter terminal. Connecting the positive "+" wire to the starter terminal may cause the panel group to malfunction. Connecting the positive "+" wire to the starter terminal could cause damage the components inside the panel. Connect the positive "+" wire directly to the battery.

Note: Do NOT connect the negative "-" wire on the panel group to the starter, the chassis, or the engine ground. Connecting the panel ground to the starter, chassis, or engine ground may cause the panel group to malfunction. The negative "-" wire on the panel group must be connected to the battery through the battery disconnect switch.




Illustration 1g02707836

(1) To start relay

(2) Battery disconnect switch

(3) Control panel

(4) Chassis ground

(5) Battery

(6) Starter motor

Components

Engine Instrument Panel




Illustration 2g01756973

The panel kit is packaged with all necessary parts for operation on a pumping unit. Engine Panel Group (12−volt) and Engine Panel Group (24−volt) are connected to the engine ECM and connected to the transmission ECM through the "J1939" harnesses. The displays the engine panel will display following engine information: engine speed, oil pressure and coolant temperature. This panel also has an engine warning light and a transmission warning light as well as an engine ignition switch. This panel should NOT be mounted directly to the engine due to vibration. This panel should be mounted to the chassis or the skid with a frame or a bracket.

Work Platform instrument Panel




Illustration 3g01756974

Work Platform Group (12−volt) and Work Platform Group (24−volt) are connected to the engine panel through a "J1939" harness. This panel contains the transmission shift pad and the messenger display module. The following components are also contained on this panel: electronic throttle control for the engine, emergency shutdown switch, quick to neutral switch, engine warning light, transmission warning light and transmission lockup indicator.

Messenger Display Module




Illustration 4g01757055

The messenger display module displays the following information:

  • Diagnostic Data

  • Configuration of language and units

  • Engine Parameters

  • Engine Speed

  • Boost Pressure

  • Gear Position

Machine diagnostic codes may be displayed for the operator. The messenger display will automatically display potentially serious problems. When one of these codes is detected, a warning will appear on the screen.

Refer to Application and Installation Guide, REHS2888 for detailed information on the messenger display.

Quick to Neutral Switch

When the switch is activated, the transmission quickly downshifts to the NEUTRAL position. When the quick to neutral switch is deactivated, the transmission will remain in the NEUTRAL position until the transmission shift control is placed in the NEUTRAL position. Once the shift controller has been placed in the NEUTRAL position, the transmission can be shifted to the desired gear.

Transmission Shift Pad




Illustration 5g01756894

The transmission shift pad is used to control the operation of the transmission. These transmissions, even in pump mode can be configured to "autoshift". The transmission will shift according to the operator input by using the up arrow and the down arrow.

Electronic Throttle

The electronic throttle control is located on the work platform control panel. This location allows the operator to control the engine speed without leaving the work platform control panel.

Shutdown Switch

When the shutdown switch is pressed, the engine quickly shuts down. The switch is located on the work platform control panel for easy access by the machine operator in any situation. When the shutdown switch is engaged, the shutdown relay is de-energized. De-energizing the shutdown relay stops the supply of battery power to the engine ECM.

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