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336 GC Excavator TA2 Technical Inspection {0372, 0374, 1000, 7000, 753T, 7565} Caterpillar


336 GC Excavator TA2 Technical Inspection {0372, 0374, 1000, 7000, 753T, 7565}

Usage:

336 GC JFW
Excavator
336 GC (S/N: JFW1-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 "7"

  • 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 in order 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)  Description  Specification  Actual  Comments 
  Maximum Fuel Pressure of the High Pressure Fuel System  190 MPa (27557 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  315 kPa (45 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)" 
Status(1)  Conditions  Service Limit  Actual  Comments 
  Engine Dial 7 At No Load (AEC Off)  Power Mode  1900 ± 50 RPM     
  ECO Mode —    
  Engine Dial "7" At No Load (AEC On)  1050 ± 50 RPM     
  One Touch Low Idle  1000 ± 50 RPM     
  Engine Dial "1" At No Load  950 ± 50 RPM     
  Engine Dial "7" At Full Load(2)  1900 ± 50 RPM     
  Engine Dial "7" At Low Load Traveling(3)  1900 ± 50 RPM     
  Engine Dial "7" At Full Load Traveling(4)  2000 ± 50 RPM     
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(1) N = Normal, M = Monitor, A = Action
(2) Two pump main relief (Boom UP)
(3) One track blocked
(4) Both tracks blocked

Note: Performance beyond the service limit is an indication of improper maintenance or adjustment, component wear, and failure.

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)       
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(1) N = Normal, M = Monitor, A = Action
(2) Compare the exhaust temperature variance at each exhaust port.

Performance Checks

Reference: Refer to Testing & Adjusting, M0087329, "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  21.7 ± 1.0  28.2 ± 1.0     
  Reverse  
  LOW  Forward  34 ± 1.0  44.2 ± 1.0     
  Reverse  
Travel Deviation(2) mm (inch) 
  HIGH  Forward  650 mm (25.6 inch) or less  650 mm (25.6 inch) or less     
  Reverse  
  LOW  Forward  650 mm (25.6 inch) or less  650 mm (25.6 inch) or less     
  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
  336 GC
Standard Undercarriage 		 HIGH  Forward  21.7 ± 1.0  28.2 ± 1.0       
  Reverse  
  LOW Forward  34 ± 1.0  44.2 ± 1.0       
  Reverse  
Show/hide table
(1) N = Normal, M = Monitor, A = Action

Automatic Travel Speed Control - Test

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Table 9
"Automatic Travel Speed Control - Test" 
Status(1)  Description  Engine Speed 
Engine Speed Dial "7"
AEC switch OFF
Blocked Track Pressure tap  Speed  Specification  Actual  Comments 
  Right Travel  Pump 1  High to Low  32000 ± 500 kPa (4641 ± 73 psi)     
  Low to High 18000 ± 500 kPa (2611 ± 73 psi)    
  Left Travel  Pump 2  High to Low  32000 ± 500 kPa (4641 ± 73 psi)     
  Low to High 18000 ± 500 kPa (2611 ± 73 psi)     
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(1) N = Normal, M = Monitor, A = Action

Machine Drift on a Slope - Check

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Table 10
"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 11
"Swing Speed and Overswing on Level Ground - Check" 
Status(1)  Item  New  Service Limit  Actual  Comments 
Overswing mm (inch) 
  Right Swing  1200 mm (47.2 inch) or less  1200 mm (47.2 inch) or less     
  Left Swing 
Swing Time(2) (seconds) 
  Right Swing  5.9 ± 0.3  7.3 ± 0.3     
  Left Swing 
Swing Time (3) (seconds) 
  Right Swing  20.1 ± 1.0  26.1 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
(3) The time that is required to complete 3 revolutions

Swing Speed and Swing Drift on a Slope -Check

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Table 12
"Swing Speed and Swing Drift on a Slope" 
Status(1)  Item  New  Service Limit  Actual  Comments 
Swing Time (seconds) 
  Right Swing  6.3 ± 0.3  8.2 ± 0.3     
  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 13
"Cylinder Drift - Check (Loaded Bucket)" 
Status(1)  Item  New  Service Limit  Actual  Comments 
  Boom Cylinder  4.5 mm (0.18 inch) or less  11.3 mm (0.44 inch) or less     
  Stick Cylinder  12.0 mm (0.47 inch) or less  30.0 mm (1.18 inch) or less     
  Bucket Cylinder  Max 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

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Table 14
Bucket Configuration Reference 
Model  Capacity  Weight  Load 
DB1500HD  1.8 cubic meter (2.46 cubic yard)  1770 kg (3902 lb)  3400 kg (7496 lb) 

Cylinder Drift - Check (Empty Bucket)

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Table 15
"Cylinder Drift - Check (Empty Bucket)" 
Status(1)  Item  Cylinder Drift Side  Drift Direction  New  Service Limit  Actual  Comments 
  Boom Cylinder  Retracted  Boom Down  5.0 mm (0.2 inch) or less  11.0 mm (0.4 inch) or less     
  Stick Cylinder  Extended  Stick In  10 mm (0.4 inch) or less  25 mm (0.98 inch) or less     
  Retracted Stick Out  25 mm (0.98 inch) or less  63 mm (2.5 inch) or less     
  Bucket Cylinder  Extended  Bucket Closed  20 mm (0.8 inch) or less  50 mm (1.96 inch) or less     
  Retracted Bucket Open  10 mm (0.4 inch) or less  25 mm (0.98 inch) or less     
Show/hide table
(1) N = Normal, M = Monitor, A = Action

Cylinder Speed - Check

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Table 16
"Cylinder Speed - Check" 
Status(1)  Item  Cylinder Position  Cylinder Operating Speed (seconds) 
New Service Limit Actual Comments
  Boom  Extension  3.4 ± 0.3  5.1 ± 0.3     
Retraction 2.4 ± 0.3 3.6 ± 0.3    
Stick Extension 3.3 ± 0.3  5.0 ± 0.3     
Retraction 2.7 ± 0.3 4.1 ± 0.3     
Bucket Extension 4.3 ± 0.3  6.5 ± 0.3     
Retraction 2.3 ± 0.3 3.5 ± 0.3     
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(1) N = Normal, M = Monitor, A = Action

Pilot System

Reference: Refer to Testing & Adjusting, M0087329 for more detail on the following tests.

Pressure Reducing Valve (Pilot Oil) - Test and Adjust

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Table 17
"Pressure Reducing Valve (Pilot)- Test and Adjust" 
Status(1)  Machine Settings  Item  Specification  Actual  Comments 
  Speed Dial "7"
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 18
"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

Main Control Valve

Reference: Refer to Testing & Adjusting, M0087329 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)  Machine Settings  Engine Speed 
Speed Dial "7"
AEC switch OFF
  Item  Specification  Actual  Comments 
  Standard  35000 + 500 - 2000 kPa (5076 + 73 - 290 psi)     
  Heavy Lift (2)  38000 + 500 - 2000 kPa (5512 + 73 - 290 psi)     
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(1) N = Normal, M = Monitor, A = Action
(2) If equipped

Relief Valve (Line) - Test and Adjust

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Table 20
"Relief Valve (Line) - Test and Adjust" 
  Machine Settings  Main Relief Pressure(1) 
Standard 35000 + 500 , - 2000 kPa (5076 + 73 , - 290 psi)
Heavy lift 38000 + 500, - 2000 kPa (5512 + 73, - 290 psi)
Status(2)  Cylinder  Cylinder Position  Engine Speed  Relief Pressure Setting  Actual  Comments 
  Boom  Extended  Speed Dial "7"
AEC switch OFF 		 41000 ± 500 kPa (5947 ± 73 psi)     
Retracted 38000 ± 500 kPa (5511 ± 73 psi)  
Stick Extended  Speed Dial "7"
AEC switch OFF 		 38000 ± 500 kPa (5511 ± 73 psi)     
Retracted 41000 ± 500 kPa (5947 ± 73 psi)   
Bucket Extended  Speed Dial "7"
AEC switch OFF 		 38000 ± 500 kPa (5511 ± 73 psi)     
Retracted  
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(1) System pressure setting before temporary setting adjustment
(2) N = Normal, M = Monitor, A = Action

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Table 21
"Relief Valve (Line) - Test and Adjust" 
  Machine Settings  Main Relief Pressure(1) 
Standard 35000 + 500 , - 2000 kPa (5076 + 73 , - 290 psi)
Heavy lift 38000 + 500, - 2000 kPa (5512 + 73, - 290 psi)
Status(2)  Cylinder  Cylinder Position  Engine Speed  Relief Pressure Setting  Actual  Comments 
  Boom  Extended  Speed Dial "7"
AEC switch OFF 		 41000 ± 500 kPa (5947 ± 73 psi)(3)     
40000 ± 500 kPa (5802 ± 73 psi)(4)
Stick Retracted  Speed Dial "7"
AEC switch OFF 		 41000 ± 500 kPa (5947 ± 73 psi)(3)     
40000 ± 500 kPa (5802 ± 73 psi)(4)
VA Boom Retracted  Speed Dial "7"
AEC switch OFF 		 41000 ± 500 kPa (5947 ± 73 psi)(3)     
40000 ± 500 kPa (5802 ± 73 psi)(4)
Show/hide table
(1) System pressure setting before temporary setting adjustment
(2) N = Normal, M = Monitor, A = Action
(3) Located on main control valve
(4) Located on lowering control valve

Swing System

Reference: Refer to Testing & Adjusting, M0087329 for more detail on the following tests.

Relief Valve (Swing) - Test and Adjust

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Table 22
"Relief Valve (Swing) - Test and Adjust" 
Status(1)  Machine Settings  Engine Speed 
Engine speed dial "7"
AEC switch OFF
  Item  Specification  Actual  Comments 
  Right Swing  30600 ± 1000 kPa (4438 ± 145 psi)     
  Left Swing 
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(1) N = Normal, M = Monitor, A = Action

Swing Bearing Movement - Measure

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Table 23
"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  4.5 mm (0.18 inch)  13.5 mm (0.53 inch)     
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(1) N = Normal, M = Monitor, A = Action

Travel System

Reference: Refer to Testing & Adjusting, M0087329 for more detail on the following tests.

Relief Valve (Crossover) - Test and Adjust

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Table 24
"Relief Valve (Crossover) - Test and Adjust" 
Status(1)  Item  Direction  Machine Settings  Specification  Actual  Comments 
  Left Travel  Forward  Engine speed dial "7"
AEC switch OFF 		 37000 ± 500 kPa (5366 ± 73 psi)     
  Reverse Engine speed dial "7"
AEC switch OFF 		 37000 ± 500 kPa (5366 ± 73 psi)     
  Right Travel  Forward  Engine speed dial "7"
AEC switch OFF 		 37000 ± 500 kPa (5366 ± 73 psi)     
  Reverse Engine speed dial "7"
AEC switch OFF 		 37000 ± 500 kPa (5366 ± 73 psi)     
Show/hide table
(1) N = Normal, M = Monitor, A = Action

S.O.S

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Table 25
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

Caterpillar Information System:

336 GCExcavator TA2 Technical Inspection {0372, 0374, 1000, 7000, 753T, 7565} 336 GCExcavator TA2 Technical Inspection {0372, 0374, 1000, 7000, 753T, 7565}
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