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312F GC and 313F GC Excavator TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565} Caterpillar


312F GC and 313F GC Excavator TA2 Technical Inspection {0372, 1000, 7000, 753T, 7565}

Usage:

312F GC FKE
Excavator
312F GC (S/N: FKE1-UP)
313F GC (S/N: GJD1-UP; HDK1-UP; ZGS1-UP)

Introduction

Inspections are the most basic form of condition monitoring. 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 effectively before problems occur.

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

Note: Specification values are based on the following machine settings unless stated otherwise

  • Engine Speed Dial "10"

  • AEC OFF

Creating an Electronic Copy

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

  1. Click format to print.

  2. Save the document as an HTML format.

  3. Open the document with Microsoft Word.

Electrical System

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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 to prevent stress on battery connections (terminals).     
  Battery Test(2)  12.4 VDC or more     
  Charging System Test(3)  18 VDC to 32 VDC     
  Electric Starting System Test(4)  12 to 16 V at −23° C (−10° F) to −7° C (19° F)     
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)
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(1) N = Normal, M = Monitor, A = Action
(2) Refer to Special Instruction, SEHS7633, "Battery Test Procedure".
(3) Refer to Special Instruction, REHS0354, "Charging System Troubleshooting".
(4) Refer to Testing and Adjusting, RENR2415, "Electric Starting System - Test".

Engine

Cooling System

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Table 2
Status(1)  Description  Specification  Actual  Comments 
  Radiator Pressure Relief (Radiator Cap)(2)      Refer to System Operation Testing and Adjusting. 
  Freezing Point of Engine Coolant      Refer to Operation and Maintenance Manual. 
  Conditioner Test of Engine Coolant      Refer to Operation and Maintenance Manual. 
  Difference between the Upper and Lower Radiator Tank Temperatures       
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(1) N = Normal, M = Monitor, A = Action
(2) Test for the pressure that is listed on the cap.

Fuel System

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Table 3
Status(1)  Sales Model  Description  Specification  Actual  Comments 
  312F GC (S/N: FKE)
313F GC (S/N: GJD; HDK) 		 Maximum Fuel Pressure of the High-Pressure Fuel System  160 MPa (23200 psi)     
  313F GC (S/N: ZGS)  180 MPa (26107 psi)    
Show/hide table
(1) N = Normal, M = Monitor, A = Action

Lubrication System

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Table 4
Status(1)  Description  Specification  Actual  Comments 
  Minimum Engine Oil Pressure at Maximum Engine Speed  440 ± 40 kPa (63.81760 ± 5.80160 psi)     
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(1) N = Normal, M = Monitor, A = Action

Basic Engine

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Table 5
"Engine Performance - Test (Engine Speed)" 
Conditions  Specifications 
Status(1)  Engine  "AEC" Switch Position  "Engine Speed Dial" Position  Time (sec)  New  Service Limit  Actual  Comments 
  No load  OFF  10  0 to 5  1870 ± 50 rpm  1400 to 1650 rpm     
  OFF 10  > 5  1770 ± 50 rpm  1300 to 1550 rpm     
  ON 10  > 5  1100 ± 50 rpm  1300 ± 100 rpm     
  OFF 1  > 5  1050 ± 50 rpm  1050 ± 100 rpm     
  One touch low idle > 0  1100 ± 50 rpm  1050 ± 100 rpm     
  Load(2)  OFF  10  > 3 to 5  1700 ± 50 rpm  ≥ 1500 rpm     
  Travel  OFF  10  > 10  1790 ± 50 rpm  ≥ 1700 rpm     
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(1) N = Normal, M = Monitor, A = Action
(2) pump main relief (Boom UP).

Air Inlet and Exhaust System

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Table 6
Status(1)  Description  Specification  Actual  Comments 
Inlet Manifold Pressure - Test 
  Cylinder # 1 Exhaust Temperature(2)       
  Cylinder # 2 Exhaust Temperature(2)       
  Cylinder # 3 Exhaust Temperature(2)       
  Cylinder # 4 Exhaust Temperature(2)       
  Cylinder # 5 Exhaust Temperature(2)       
  Cylinder # 6 Exhaust Temperature(2)       
Show/hide table
(1) N = Normal, M = Monitor, A = Action
(2) Compare the exhaust temperature variance at each exhaust port.

Performance Checks

Reference: Refer to Testing & Adjusting, UENR5645, "Performance Tests" for more detail on the following test.

Operational Checks

Travel on Level Ground - Test

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Table 7
"Travel on Level Ground - Test" 
Status(1)  Travel Speed  New  Service Limit  Actual  Comments 
Travel Time (time in seconds) 
  HIGH  Forward  15.2 or less  18.5 or less     
  Reverse  
  LOW  Forward  22.3 or less  27.0 or less     
  Reverse  
Travel Deviation(2) mm (inch) 
  HIGH  Forward  800 mm (31.5 inch) or less  1500 mm (59.1 inch) or less     
  Reverse  
  LOW  Forward 
  Reverse  
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(1) N = Normal, M = Monitor, A = Action
(2) Travel deviation (distance) from the reference line

Travel on Level Ground - Test (Optional Test)

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Table 8
"Travel on Level Ground - Test (Optional Test)" 
Time For Three Revolutions (time in seconds) 
Status(1)  Machine  Travel Speed  New  Service Limit  Actual  Comments 
Right Left
  Long  HIGH  Forward  17.5 or less  20.9 or less       
  Reverse  
  LOW Forward   
  Reverse    
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(1) N = Normal, M = Monitor, A = Action

Machine Drift on a Slope - Check

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Table 9
"Machine Drift on a Slope - Check" 
Status(1)  Description  Specification  Actual  Comments 
New Service Limit
  Machine Drift  0 mm  0 mm     
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(1) N = Normal, M = Monitor, A = Action

Swing Speed and Overswing on Level Ground - Check

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Table 10
"Swing Speed and Overswing on Level Ground - Check" 
Status(1)  Description  New  Service Limit  Actual  Comments 
Overswing mm (inch) 
  Right Swing  620 mm (24.4 inch) or less  805 mm (31.7 inch) or less     
  Left Swing 
Swing Time(2) (seconds) 
  Right Swing  4.3 or less  5.6 or less     
  Left Swing 
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(1) N = Normal, M = Monitor, A = Action
(2) The time that is required to complete a 180 degree swing operation

Swing Speed and Swing Drift on a Slope -Check

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Table 11
"Swing Speed and Swing Drift on a Slope" 
Status(1)  Description  New  Service Limit  Actual  Comments 
Swing Time (seconds) 
  Right Swing  3.5 or less  4.6 or less     
  Left Swing 
Swing Drift mm (inch) 
  Right Swing  0  0     
  Left Swing 
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(1) N = Normal, M = Monitor, A = Action

Cylinder Drift - Check (Loaded Bucket)

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Table 12
"Cylinder Drift - Check (Loaded Bucket)" 
Status(1)  Description  Cylinder Drift  New  Service Limit  Actual  Comments 
  Boom Cylinder  Retract  4.5 mm (0.18 inch) or less  12.0 mm (0.44 inch) or less     
  Stick Cylinder  Extend  25.0 mm (0.98 inch) or less  63.0 mm (2.48 inch) or less     
  Bucket Cylinder  Retract  18.0 mm (0.71 inch) or less  45.0 mm (1.77 inch) or less     
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(1) N = Normal, M = Monitor, A = Action

Cylinder Drift - Check (Empty Bucket)

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Table 13
"Cylinder Drift - Check (Empty Bucket)" 
Status(1)  Description  Cylinder Position  Drift Direction  New  Service Limit  Actual  Comments 
  Boom Cylinder  Retract  Boom Down  4.5 mm (0.18 inch) or less  12.0 mm (0.47 inch) or less     
  Stick Cylinder  Extend  Stick In  25.0 mm (0.98 inch) or less  63.0 mm (2.48 inch) or less     
  Retract Stick Out  25.0 mm (0.98 inch) or less  63.0 mm (2.48 inch) or less     
  Bucket Cylinder  Extend  Bucket Closed  20.0 mm (0.79 inch) or less  50.0 mm (1.97 inch) or less     
  Retract Bucket Open  10.0 mm (0.39 inch) or less  25.0 mm (0.98 inch) or less     
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(1) N = Normal, M = Monitor, A = Action

Cylinder Speed - Check

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Table 14
"Cylinder Speed - Check" 
Status(1)  Description  Cylinder Position  Cylinder Operating Speed (seconds) 
New Service Limit(2)  Actual  Comments 
  Boom  Extension  3.3 ± 0.5  4.6     
  Retraction 2.1 ± 0.5  3.1     
  Stick  Extension  2.7 ± 0.5  3.7     
  Retraction 2.7 ± 0.5  3.7     
  Bucket  Extension  3.7 ± 0.8  5.5     
  Retraction 2.2 ± 0.5  3.2     
  Blade (If Equipped)  Extension  1.6 ± 0.5  2.4     
  Retraction 1.4 ± 0.5  2.1     
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(1) N = Normal, M = Monitor, A = Action
(2) Maximum

Pilot System

Reference: Refer to Testing & Adjusting, UENR5645 for more detail on the following tests.

Pressure Reducing Valve (Pilot Oil) - Test and Adjust

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Table 15
"Pressure Reducing Valve (Pilot)- Test and Adjust" 
Status(1)  Machine Settings  Description  Specification  Actual  Comments 
  Speed Dial "10"
AEC switch OFF 		 Pressure reducing valve  4100 ± 300 kPa (595 ± 44 psi)     
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(1) N = Normal, M = Monitor, A = Action

Accumulator (Pilot) - Test and Charge

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Table 16
"Accumulator (Pilot) - Test" 
Status(1)  Description  Specification  Actual  Comments 
  Pilot Accumulator  1035 kPa (150 psi)    Should stay above 1035 kPa (150 psi) for 20 seconds 
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(1) N = Normal, M = Monitor, A = Action

Power Shift Current - Check

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Table 17
"Power Shift Current- Check" 
Status(1)  Description  Machine Settings  Specification  Commanded(2)  Actual  Comments 
  Power Shift Current
(No Load) 		 Speed Dial "10"
AEC switch OFF 		 1400 ± 40 mA       
  Power Shift Current
(Full Load) 		 431 mA      
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(1) N = Normal, M = Monitor, A = Action
(2) Value from the monitor

Main Pump System

Reference: Refer to Testing & Adjusting, UENR5645 for more detail on the following tests.

Margin Pressure - Test and Adjust

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Table 18
"Margin Pressure - Test and Adjust" 
Status(1)  Description  Machine Settings  Specification  Actual  Comments 
  Margin Pressure  Speed Dial "10"
AEC switch OFF 		 1500 ± 100 kPa (218 ± 15 psi)     
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(1) N = Normal, M = Monitor, A = Action

Main Control Valve

Reference: Refer to Testing & Adjusting, UENR5645 for more detail on the following tests.

Relief Valve (Main) - Test and Adjust

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Table 19
"Relief Valve (Main) - Test and Adjust" 
Status(1)  Description  Machine Settings  Specification  Actual  Comments 
  Main Relief  Speed Dial "10"
AEC switch OFF 		 30500 + 500 - 1500 kPa (4424 + 73 - 218 psi)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Line) - Test and Adjust

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Table 20
"Relief Valve (Line) - Test and Adjust" 
  Machine Settings  Main Relief Pressure(1) 
Implement 30500 + 500 - 1500 kPa (4424 + 73- 218 psi)
Status(2)  Cylinder  Cylinder Position  Engine Speed  Relief Pressure Setting  Actual  Comments 
  Boom  Extended  Speed Dial "10"
AEC switch OFF 		 32000 ± 500 kPa (4641 ± 73 psi)     
  Retracted  
  Stick  Extended 
  Retracted  
  Bucket (3)  Extended  ≥ 29800 kPa (4322 psi)    
  Retracted  
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(1) System pressure setting before temporary setting adjustment
(2) N = Normal, M = Monitor, A = Action
(3) No temporary main relief adjustment needed. Replace relief valve if pressure is below specification.

Relief Valve (Line)- Test and Adjust- Blade (If Equipped)

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Table 21
"Blade Relief Valve (Main) - Test and Adjust" 
Status(1)  Control Valve  Engine Speed  Relief Pressure Setting  Actual  Comments 
  Blade Main Relief  Speed Dial "10"
AEC switch OFF 		 20600 ± 500 kPa (2988 ± 73 psi)     
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(1) N = Normal, M = Monitor, A = Action

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Table 22
"Blade Relief Valve (line) - Test and Adjust" 
Status(1)  Cylinder  Cylinder Position  Engine Speed  Relief Pressure Setting  Actual  Comments 
  Blade Line Relief  Extended  Speed Dial "10"
AEC switch OFF 		 24500 ± 500 kPa (3553 ± 73 psi)     
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(1) N = Normal, M = Monitor, A = Action

Relief Valve (Blade)- Test and Adjust (If Equipped)

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Table 23
"Blade Relief Valve (Main)- Test and Adjust" 
Status(1)  Control Valve  Engine Speed  Relief Pressure Setting  Actual  Comments 
  Blade Main Relief  Speed Dial "10"
AEC switch OFF 		 20600 ± 500 kPa (2988 ± 73 psi)     
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(1) N = Normal, M = Monitor, A = Action

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Table 24
"Blade Relief Valve (line)- Test and Adjust" 
Status(1)  Cylinder  Cylinder Position  Engine Speed  Relief Pressure Setting  Actual  Comments 
  Blade Line Relief  Extended  Speed Dial "10"
AEC switch OFF 		 24500 ± 500 kPa (3553 ± 73 psi)     
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(1) N = Normal, M = Monitor, A = Action

Swing System

Reference: Refer to Testing & Adjusting, UENR5645 for more detail on the following tests.

Relief Valve (Swing) - Test and Adjust

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Table 25
"Relief Valve (Swing) - Test and Adjust" 
Status(1)  Description  Machine Settings  Specification  Actual  Comments 
  Right Swing(2)  Engine speed dial "10"
AEC switch OFF 		 29000 + 1000 - 2000 kPa (4206 + 145 - 290 psi)     
  Left Swing(2) 
Show/hide table
(1) N = Normal, M = Monitor, A = Action
(2) Replace relief valve if pressure is not within specification.

Swing Bearing Movement - Measure

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Table 26
"Swing Bearing Movement - Measure" 
Status(1)  Description  Specification  Actual  Comments 
New Service Limit
  Vertical Movement of Swing Bearing  1.5 mm (0.06 inch)  3.0 mm (0.12 inch)     
  Circular Movement of Swing Bearing  4.0 mm (0.16 inch)  12.0 mm (0.47 inch)     
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(1) N = Normal, M = Monitor, A = Action

Travel System

Reference: Refer to Testing & Adjusting, UENR5645 for more detail on the following tests.

Relief Valve (Crossover) - Test

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Table 27
"Relief Valve (Crossover) - Test" 
  Machine Settings  Engine Speed  Main Relief Pressure(1) 
Engine speed dial "10"
AEC switch OFF 		30500 ± 500 kPa (4424 ± 73 psi)
Status(2)  Sales Model  Description  Direction  Service Limit(3)  Actual  Comments 
  312F GC (S/N: FKE10146-UP)313F GC (S/N: GJD10269-UP; HDK10199-UP)313F GC (S/N: ZGS1-UP)  Left Travel  Forward  36800 kPa (5337 psi)     
  Reverse  
  Right Travel Forward   
  Reverse  
Show/hide table
(1) System Pressure setting before temporary setting adjustment
(2) N = Normal, M = Monitor, A = Action
(3) Minimum

Relief Valve (Crossover) - Test and Adjust

Show/hide table
Table 28
"Relief Valve (Crossover) - Test and Adjust" 
  Machine Settings  Engine Speed  Main Relief Pressure(1) 
Engine speed dial "10"
AEC switch OFF 		Implement 30500 + 500 - 1500 kPa (4424 + 73 - 218 psi) 
Status(2)  Sales Model  Description  Direction  Specification  Actual  Comments 
  312F GC (S/N: FKE1-10145)313F GC (S/N: GJD1-10268; HDK1-10198)  Left Travel  Forward  32000 ± 500 kPa (4641 ± 73 psi)     
  Reverse  
  Right Travel Forward   
  Reverse  
Show/hide table
(1) System Pressure setting before temporary setting adjustment
(2) N = Normal, M = Monitor, A = Action

S.O.S

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Table 29
Status(1)  Description  Obtain  Comments 
  Engine Oil Sample     
  Engine Coolant Sample (Level II)     
  Hydraulic Oil Sample     
  Swing Drive Oil Sample     
  Right Final Drive Oil Sample     
  Left Final Drive Oil Sample     
Show/hide table
(1) N = Normal, M = Monitor, A = Action

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