TA2 Technical Inspection for 3512C Dynamic Gas Blending Marine Engines{0372, 1000, 753T, 7565} Caterpillar


TA2 Technical Inspection for 3512C Dynamic Gas Blending Marine Engines{0372, 1000, 753T, 7565}

Usage:

3512C GDM
Engine:
3512C (S/N: GDM1-UP; SLM1-UP)

Introduction

Inspections are the most basic form of condition monitoring. The inspections are easy to do and surprisingly effective at helping you spot equipment health issues. Proactive monitoring and analysis of equipment information will allow Dealers to intervene before problems occur.

Note: Before adjusting product settings to comply with listed baseline TA2 values, consult SIS for the latest specification values.

Creating an Electronic Copy

Use the following procedure to create an editable electronic copy from SIS Web.

  1. Click format to print.

  1. Save the document as an HTML format.

  1. Open the document with Microsoft Word.

Electrical System

Table 1
Status (1)     Description     Specification     Actual     Comments    
    Inspect Battery Cables     Cables between the battery, the starter, and the engine ground must be the correct size. Wires and cables must be free of corrosion. Wires and cables must have cable support clamps in order to prevent stress on battery connections (terminals).            
    Battery Test     12.4 VDC or more         Refer to Special Instruction, SEHS7633, "Battery Test Procedure".    
    Charging System Test     28 ± 1 V         Refer to Special Instruction, REHS0354, "Charging System Troubleshooting"    
    Electric Starting System Test     12 to 16 V at −23° C (−10° F) to
−7° C (19° F)    
    Refer to Testing and Adjusting, RENR9363, "Electric Starting System"    
14 to 18 V at
−7° C (19° F) to
10° C (50° F)
16 to 24 V at
10° C (50° F) to
27° C (80° F)
( 1 ) N = Normal, M = Monitor, A = Action

Engine

Cooling System

Table 2
Status (1)     Description     Specification     Actual     Comments    
    Radiator Pressure Relief (Radiator Cap) (2)     -            
    Freezing Point of Engine Coolant     -            
    Conditioner Test of Engine Coolant     -            
    Belt Tension     -         Refer to Operation and Maintenance Manual.    
    Jacket Water Pump Inlet Temperature    
84 to 92° C (183 to 197° F)    
       
    Differential Temperature Between the Jacket Water Inlet and the Jacket Water Outlet.    
−18 to -9° C (-1 to 16° F)    
       
    Water Temperature to SCAC    
27 to 33° C (80 to 91° F)    
       
( 1 ) N = Normal, M = Monitor, A = Action
( 2 ) Test for the pressure that is listed on the cap.

Fuel System

Table 3
Status (1)     Description     Specification     Actual     Comments    
    Diesel Fuel Pressure    
310 to 621 kPa (45 to 90 psi)    
       
    Gas Fuel Pressure (2)    
10.3 to 24.1 kPa (1.5 to 3.5 psig)    
       
( 1 ) N = Normal, M = Monitor, A = Action
( 2 ) Regulated gas pressure measured by the sensor on the engine.

Lubrication System

Table 4
Status (1)     Description     Specification     Actual     Comments    
    Engine Oil Pressure at Low Idle    
248 to 600 kPa (36 to 87 psi)    
       
    Engine Oil Pressure    
310 to 600 kPa (45 to 87 psi)    
       
( 1 ) N = Normal, M = Monitor, A = Action

Basic Engine

Table 5
Status (1)     Description     Specification     Actual     Comments    
    Engine Speed at Low Idle     900 ± 10            
    Engine Speed at High Idle     1818 ± 18            
    Cylinder Cutout Test     -         Cat® Electronic Technician (Cat ET)    
( 1 ) N = Normal, M = Monitor, A = Action

Air Inlet and Exhaust System

Table 6
Status (1)     Description     Specification     Actual     Comments    
    Boost Pressure     166.1 to 224.8 CM_HSG (65.4 to 88.5 IN_HSG)            
( 1 ) N = Normal, M = Monitor, A = Action

S·O·S

ReferenceRefer to Operation and Maintenance Manual, SEBU9096, "Maintenance Interval Schedule" for more detail on performing S·0·S samples.

Table 7
Status (1)     Description     Obtain     Comments    
    Engine Oil Sample            
    Engine Coolant Sample (Level II)            
( 1 ) N = Normal, M = Monitor, A = Action

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