956591 Volvo.Penta Hex. socket screw

Required Service Tools
Table 1
Required Service Tools    
Part Number    Description    
N/A     4 mm Allen Wrench    
9U-7330     Digital Multimeter    
7X-1710
or
146-4080     Multimeter Probes
Digital Multimeter (RS-232)    
7X-1715
and
134-5195     Adapter Cable (40 Pin Breakout T)
Adapter Cable (40 Pin)    
7X-6370     Adapter Cable (3 Pin DT Breakout)    
1U-5804     Crimp Tool (12-18 AWG)    
175-3700     Connector Repair Kit    Two short jumper wires are needed to check the continuity of some wiring harness circuits by shorting two adjacent terminals together in a connector. A long extension wire may also be needed to check the continuity of some wiring harness circuits.Caterpillar Electronic Technician (Cat ET)
Cat ET can display the following information:
Parameters
Event codes
Diagnostic codes
Engine configurationCat ET can be used by the technician to perform the following functions:
Diagnostic tests
Sensor calibrations
Flash programming
Set parametersThe following components are required to use Cat ET to service the engine.
Table 2
Required Electronic Service Tools for the Use of Cat ET    
Part Number    Description    
JERD2124     "Electronic Technician Program" (ET)    
JERD2129     "Data Subscription for All Engines and Machines"    
171-4400 (1)     Communication Adapter II Gp    
( 1 ) The 7X-1700 Communication Adapter Gp may also be used.Note: For more information regarding the use of Cat ET and the PC requirements for Cat ET, refer to the documentation that accompanies your Cat ET software.Connecting Cat ET and the Communication Adapter II
Illustration 1 g00647144
(1) Personal computer (PC) (2) 160-0141 Adapter Cable (PC Serial) (3) 171-4401 Communication Adapter II (4) 207-6845 Adapter Cable (Data Link)Note: Items (2), (3), and (4) are part of the 171-4400 Communication Adapter II Gp .Use the following procedure to connect Cat ET and the Communication Adapter II.
Turn the keyswitch to the OFF/RESET position. If the keyswitch is not placed in the OFF/RESET position, the engine may start.
Connect cable (2) between the "COMPUTER" end of communication adapter (3) and the RS232 serial port of PC (1) .
Connect cable (4) between the "DATA LINK" end of communication adapter (3) and the service tool connector.
Turn the keyswitch to the ON position. If Cat ET and the communication adapter do not communicate with the ECM, refer to Troubleshooting, "Electronic Service Tool Will Not Communicate With ECM".Optional Service Tools
The following table contains service tools that may be helpful to service the engine, but these tools are not required.
Table 3
Optional Service Tools    
Part Number    Description    
1U-5470
or
198-4240     Engine Pressure Gp
Engine Pressure Group    
4C-4075     Crimp Tool (4-10 AWG)    
4C-4911 (1)     Battery Load Tester    
5P-7277     Voltage Tester    
6V-9130 (2)     Temperature Adapter Gp    
8T-5319     Connector Tool Gp    
9S-9082     Engine Turning Tool    
( 1 ) Refer to Special Instructions, SEHS9249, "Use of the 4C-4911 Battery Load Tester for 6, 8, and 12 Volt Lead Acid Batteries" and Special Instructions, SEHS7633, "Battery Test Procedure".
( 2 ) Refer to Special Instructions, SEHS8382, "Use of the 6V-9130 Temperature Adapter Group".