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14M3 Motor Grader TA2 Technical Inspection {0372, 0374, 1000, 7000, 753T, 7565} Caterpillar


14M3 Motor Grader TA2 Technical Inspection {0372, 0374, 1000, 7000, 753T, 7565}

Usage:

14M-3 E9S
Motor Grader
14M Series 3 (S/N: E9S1-UP; N9S1-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.

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  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, SENR9888, "Electric Starting System - Test". 
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

Engine

Cooling System

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Table 2
Status(1)  Description  Specification  Actual  Comments 
  Radiator Pressure Relief (Radiator Cap)(2)  -     
  Freezing Point of Engine Coolant  -    Use 245-5829 Coolant/Battery Tester Gp. 
  Conditioner Test of Engine Coolant  -    Use 8T-5296 Coolant Conditioner Test Kit. 
  Belt Tension  Auto-Tension     
  Difference between the Upper Radiator Tank Temperature and Lower Radiator Tank Temperature  -     
  Jacket Water Inlet Temperature from Cooling System  -     
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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 
  Fuel Pressure at HIGH IDLE  586 kPa (85 psi)     
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(1) N = Normal, M = Monitor, A = Action

Lubrication System

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Table 4
Status(1)  Description  Specification  Actual  Comments 
  Engine Oil Pressure at LOW IDLE  53 kPa (8 psi)     
  Engine Oil Pressure at HIGH IDLE  242 kPa (35 psi)     
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(1) N = Normal, M = Monitor, A = Action

Basic Engine

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Table 5
Status(1)  Description  Specification  Actual  Comments 
  Engine Speed at LOW IDLE  830 RPM     
  Engine Speed at HIGH IDLE  1975 RPM     
  Cylinder Cutout Test  -     
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(1) N = Normal, M = Monitor, A = Action

Air Inlet and Exhaust System

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Table 6
Status(1)  Description  Specification  Actual  Comments 
  Boost Pressure Test  115.2 ± 25.1 kPa (16.7 ± 3.6 psi)     
  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

Brake Performance Checks

Reference: Refer to Testing and Adjusting, M0070306 , Service Brake - Test and Parking Brake - Test for more detail on the following tests.

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Table 7
Status(1)  Description  Perform  Comments 
  Service Brake - Test     
  Parking Brake - Test     
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(1) N = Normal, M = Monitor, A = Action

Hydraulic Performance Checks

Reference: Refer to Testing and Adjusting, M0070306, "14M3 Motor Graders Machine Systems" for more detail on the following tests.

Cylinder Cycle Time - Check

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Table 8
Status(1)  Description  Specification  Actual  Comments 
  Blade Lift - Rod In(2)  3.0 ± 1.0     
  Blade Lift - Rod Out(2)  3.0 ± 1.0     
  Centershift - Rod In(3)  5.5 ± 2.0     
  Centershift - Rod Out(3)  6.5 ± 2.0     
  Wheel Lean - Rod In(3)  2.0 ± 0.5     
  Wheel Lean - Rod Out(3)  2.5 ± 1.0     
  Blade Tip - Rod In(3)  6.0 ± 2.0     
  Blade Tip - Rod Out(3)  5.5 ± 1.5     
  Side Shift - Rod In(3)  16.0 ± 4.0     
  Side Shift - Rod Out(3)  16.0 ± 4.0     
  Ripper (If Equipped) - Rod In(2)  4.5 ± 1.5     
  Ripper (If Equipped) - Rod Out(2)  5.5 ± 1.5     
  Articulation - Left (3)(4)  4.0 ± 1.0     
  Articulation - Right (3)(4)  4.0 ± 1.0     
  Blade Circle - 1/4 rotation  13.0 ± 4.0     
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(1) N = Normal, M = Monitor, A = Action
(2) Cycle times are for a "running distance" of 305 mm (12 inch).
(3) Cycle time is through full travel.
(4) When checking cycle times of these cylinders, operate the machine at high idle and place the transmission control (lever) in the FIRST SPEED position. The differential must be unlocked.

Hydraulic Cylinder Drift - Check

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Table 9
Status(1)  Description  Specification  Actual  Comments 
  Maximum allowable movement for Blade Lift in 3 minutes at oil temperature of 38° to 50°C (100 ° to 122°F)  11 mm (0.43 inch)     
  Maximum allowable movement for Blade Tip in 3 minutes at oil temperature of 38° to 50°C (100 ° to 122°F)  4 mm (0.16 inch)     
  Maximum allowable movement for Ripper in 3 minutes at oil temperature of 38° to 50°C (100 ° to 122°F)  2 mm (0.08 inch)     
  Maximum allowable movement for Wheel Lean in 3 minutes at oil temperature of 38° to 50°C (100 ° to 122°F)  4 mm (0.16 inch)     
  Maximum allowable movement for Snow Wing Lift in 3 minutes at oil temperature of 38° to 50°C (100 ° to 122°F)  12 mm (0.48 inch)     
  Maximum allowable movement for Snow Wing Tilt in 3 minutes at oil temperature of 38° to 50°C (100 ° to 122°F)  5 mm (0.20 inch)     
  Maximum allowable movement for Snow Plow Lift in 3 minutes at oil temperature of 38° to 50°C (100 ° to 122°F)  5 mm (0.20 inch)     
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(1) N = Normal, M = Monitor, A = Action

Hydraulic and Steering System

Reference: Refer to Testing and Adjusting, M0070306, "14M3 Motor Grader Machine Systems" for more detail on the following test.

Pump Control Valve (Implement, Steering) - Test and Adjust

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Table 10
Status(1)  Description  Specification  Actual  Comments 
  Margin Pressure  2100 ± 100 kPa (305 ± 15 psi)     
  Load Sense Pressure  22050 ± 500 kPa (3198 ± 73 psi)     
  Steering Load Sense Pressure  20500 ± 500 kPa (2973 + 73 psi - 0 psi)     
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(1) N = Normal, M = Monitor, A = Action

Hydraulic System Pressure - Test and Adjust

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Table 11
Status(1)  Description  Specification  Actual  Comments 
  Relief Valve Pressure Range  27600 ± 400 kPa (4000 ± 60 psi)     
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(1) N = Normal, M = Monitor, A = Action

Pilot Pressure - Test and Adjust

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Table 12
Status(1)  Description  Specification  Actual  Comments 
  Pump Discharge Pressure  10000 kPa (1450 psi) or higher     
  Pilot Pressure  4000 ± 200 kPa (580 ± 30 psi)     
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(1) N = Normal, M = Monitor, A = Action

Accumulator (Blade Cushion) - Test and Charge

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Table 13
Charging Pressure and Temperature Relationship for the 2758 kPa (400 psi) Accumulator 
Temperature  Pressure 
-7°C (20°F)  1873 kPa (272 psi) 
-1°C (30°F)  1912 kPa (277 psi) 
4°C (40°F)  1951 kPa (283 psi) 
10°C (50°F)  1990 kPa (289 psi) 
16°C (60°F)  2029 kPa (294 psi) 
21°C (70°F)  2068 kPa (300 psi) 
27°C (80°F)  2108 kPa (306 psi) 
32°C (90°F)  2147 kPa (311 psi) 
38°C (100°F)  2186 kPa (317 psi) 
43°C (110°F)  2225 kPa (323 psi) 
49°C (120°F)  2264 kPa (328 psi) 

Disc Pack Preload for Circle Drive - Adjust

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Table 14
Status(1)  Description  Specification  Actual  Comments 
  Spring Deflection  2.30 ± 0.25 mm (0.091 ± 0.010 inch)     
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(1) N = Normal, M = Monitor, A = Action

Braking and Hydraulic Fan System

Reference: Refer to Testing and Adjusting, M0070306, "14M3 Motor Grader Machine Systems" for more detail on the following test.

Piston Pump (Brake, Hydraulic Fan) High Pressure - Test and Adjust

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Table 15
Status(1)  Description  Specification  Actual  Comments 
  High Pressure Cutoff Setting  21000 ± 350 kPa (3046 ± 51 psi)     
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(1) N = Normal, M = Monitor, A = Action

Piston Pump (Brake, Hydraulic Fan) Margin Pressure - Test and Adjust

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Table 16
Status(1)  Description  Specification  Actual  Comments 
  Margin Pressure for Braking and Hydraulic Fan Pump  1800 ± 100 kPa (261 ± 15 psi)     
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(1) N = Normal, M = Monitor, A = Action

Hydraulic Fan Speed - Test

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Table 17
Status(1)  Description  Specification  Actual  Comments 
  Minimum Fan Speed  550 ± 50 rpm     
  Maximum Fan Speed - Standard  1550 ± 50 rpm     
  Maximum Fan Speed - High Ambient  1750 ± 50 rpm     
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(1) N = Normal, M = Monitor, A = Action

Brake Accumulator Charging Valve - Test and Adjust

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Table 18
Status(1)  Description  Specification  Actual  Comments 
  Cut IN, Pressure  11650 ± 350 kPa (1690 ± 51 psi)     
  Cut OUT, Pressure  18000 ± 350 kPa (2611 ± 51 psi)     
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(1) N = Normal, M = Monitor, A = Action

Brake Accumulator (Service) - Test and Charge

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Table 19
Accumulator Precharge Pressure/Temperature Relationship for a Typical 4138 kPa (600 psi) Brake Accumulator 
Temperature  Pressure(1) 
-10°C (14°F)  3701 kPa (536 psi) 
-5°C (23°F)  3771 kPa (547 psi) 
0°C (32°F)  3841 kPa (557 psi) 
5°C (41°F)  3911 kPa (567 psi) 
10°C (50°F)  3982 kPa (577 psi) 
15°C (59°F)  4052 kPa (587 psi) 
20°C (68°F)  4122 kPa (597 psi) 
25°C (77°F)  4193 kPa (608 psi) 
30°C (86°F)  4263 kPa (618 psi) 
35°C (95°F)  4333 kPa (628 psi) 
40°C (104°F)  4404 kPa (638 psi) 
45°C (113°F)  4474 kPa (648 psi) 
50°C (122°F)  4544 kPa (659 psi) 
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(1) The tolerance on the nominal pressure is 206 kPa (30 psi).

Service Brake System Pressure - Test

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Table 20
Status(1)  Description  Specification  Actual  Comments 
  Left and Right Service Brake Pressures  5909 ± 207 kPa (857 ± 30 psi)     
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(1) N = Normal, M = Monitor, A = Action

Power Train System

Reference: Refer to Testing and Adjusting, M0070306, "14M3 Motor Grader Machine Systems" for more detail on the following test.

Power Train Charge System Pressure - Test and Adjust

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Table 21
Status(1)  Description  Specification  Actual  Comments 
  Power Train Charge System Pressure at HIGH IDLE  2480 ± 35 kPa (360 ± 5 psi)     
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(1) N = Normal, M = Monitor, A = Action

Transmission Lubrication Oil Pressure - Test

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Table 22
Status(1)  Description  Specification  Actual  Comments 
  Transmission Lubrication Oil Pressure at LOW IDLE in NEUTRAL position  14 kPa (2 psi)     
  Transmission Lubrication Oil Pressure at HIGH IDLE in NEUTRAL position  275 kPa (40 psi)     
  Transmission Lubrication Oil Pressure at LOW IDLE in FIRST GEAR FORWARD position  6 kPa (1 psi)     
  Transmission Lubrication Oil Pressure at HIGH IDLE in FIRST GEAR FORWARD position  135 kPa (20 psi)     
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(1) N = Normal, M = Monitor, A = Action

Transmission Pressures - Test and Adjust

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Table 23
Status(1)  Description  Specification  Actual  Comments 
  Transmission Clutch Pressure at Test Port 1 in FIRST GEAR FORWARD position  2480 ± 70 kPa (360 ± 10 psi)     
  Transmission Clutch Pressure at Test Port 2 in SECOND GEAR FORWARD position  2480 ± 70 kPa (360 ± 10 psi)     
  Transmission Clutch Pressure at Test Port 3 in FIRST GEAR REVERSE position  2480 ± 70 kPa (360 ± 10 psi)     
  Transmission Clutch Pressure at Test Port 4 in SECOND GEAR FORWARD position  2480 ± 70 kPa (360 ± 10 psi)     
  Transmission Clutch Pressure at Test Port 5 in NEUTRAL position  2480 ± 70 kPa (360 ± 10 psi)     
  Transmission Clutch Pressure at Test Port 6 in FIRST GEAR FORWARD and FIRST GEAR REVERSE position  2480 ± 70 kPa (360 ± 10 psi)     
  Transmission Clutch Pressure at Test Port 7 in FIRST GEAR FORWARD, SECOND GEAR FORWARD, and FIRST GEAR REVERSE position  2480 ± 70 kPa (360 ± 10 psi)     
  Transmission Clutch Pressure at Test Port 8 in NEUTRAL position  2480 ± 70 kPa (360 ± 10 psi)     
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(1) N = Normal, M = Monitor, A = Action

Differential Lock Pressure - Check

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Table 24
Status(1)  Description  Specification  Actual  Comments 
  Differential Lock Pressure  2480 ± 70 kPa (360 ± 10 psi)     
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(1) N = Normal, M = Monitor, A = Action

S.O.S

Reference: Refer to Operation and Maintenance Manual, SEBU9153, "Maintenance Interval Schedule" for more detail on the following test.

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Table 25
Status(1)  Description  Obtain  Comments 
  Engine Coolant Sample (Level 1)     
  Engine Coolant Sample (Level 2)     
  Engine Oil Sample     
  Hydraulic Oil Sample     
  Transmission/Differential Oil Sample     
  Tandem Drive Oil Sample     
  Wheel Bearing Oil Sample (Front)     
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(1) N = Normal, M = Monitor, A = Action

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