12M Series 3, 140M Series 3, and 160M Series 3 Motor Grader TA2 Technical Inspection{7000} Caterpillar

12M Series 3, 140M Series 3, and 160M Series 3 Motor Grader TA2 Technical Inspection{7000}

Usage:

Motor Grader:: 12M Series 3 (S/N: N9B1-UP; N9F1-UP; N9P1-UP; N9R1-UP); 140M Series 3 (S/N: N9D1-UP; N9G1-UP; N9J1-UP; N9M1-UP); 160M Series 3 (S/N: N9E1-UP; N9K1-UP; N9L1-UP; N9T1-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.

Click format to print.

Save the document as an HTML format.

Open the document with Microsoft Word.

Electrical System

Show/hide table

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			Refer to System Operation/Testing and Adjusting, SENR9939

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Engine

Cooling System

Show/hide table

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			Auto Adjust Belt Tensioner
	Difference between the Upper and Lower Radiator Tank Temperatures

Show/hide table

^( 1 )	N = Normal, M = Monitor, A = Action
^( 2 )	Test for the pressure that is listed on the cap.

Fuel System

Show/hide table

Table 3
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Fuel Pressure	558 ± 186 kPa (81 ± 27 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Lubrication System

Show/hide table

Table 4
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Engine Oil Pressure at Low Idle	255 + 345 kPa - 193 kPa (37 + 50 psi - 28 psi)
	Engine Oil Pressure at Full Load or at (2200 ± 10 RPM)	3318 + 269 kPa - 152 kPa (48 + 39 psi - 22 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Basic Engine

Show/hide table

Table 5
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Engine Speed at Low Idle	1000 ± 10 RPM
	Engine Speed at High Idle	2310 ± 10 RPM
	Cylinder Cutout Test	-
	Engine Crankcase Blowby Pressure	-

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Air Inlet and Exhaust System

Show/hide table

Table 6
Status ⁽¹⁾	Description	Specification	Actual	Comments
	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

Brake Performance Checks

ReferenceRefer to Operation and Maintenance Manual, SEBU9017, "Braking System - Test" for more detail on the following test.

Show/hide table

Table 7
Status ⁽¹⁾	Description	Perform	Comments
	Service Brake Test
	Parking Brake Test

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Secondary Steering Performance Checks

ReferenceRefer to Testing and Adjusting, UENR3480 for more detail on the following tests.

Show/hide table

Table 8
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Magnetic Switch (Secondary Steering Relay) - Test	Perform test
	Relief Valve (Secondary Steering) - Test	17225 kPa (2500 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Hydraulic Performance Checks

ReferenceRefer to Testing and Adjusting, UENR3480, "Cylinder Cycle Time - Check" for more detail on the following tests.

Show/hide table

Table 9
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Blade Lift - Rod In	3.0 ± 1.0
	Blade Lift - Rod Out	3.0 ± 1.0
	Centershift - Rod In	6.0 ± 2.0
	Centershift - Rod Out	7.0 ± 2.0
	Wheel Lean - Rod In	2.0 ± 0.5
	Wheel Lean - Rod Out	2.5 ± 1.0
	Blade Tip - Rod In	3.0 ± 1.0
	Blade Tip - Rod Out	3.0 ± 1.0
	Side Shift - Rod In	9.5 ± 2.5
	Side Shift - Rod Out	11.0 ± 3.0
	Scarifier (If Equipped) - Rod In	2.5 ± 1.0
	Scarifier (If Equipped) - Rod Out	3.0 ± 1.0
	Ripper (If Equipped) - Rod In	3.0 ± 1.0
	Ripper (If Equipped) - Rod Out	3.5 ± 1.5
	Articulation - Rod In	3.5 ± 1.5
	Articulation - Rod Out	3.5 ± 1.5
	Blade Circle - 1/4 rotation	13.5 ± 3.5

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Cylinder Drift Tests

ReferenceRefer to Testing and Adjusting, UENR3480, "Hydraulic Cylinder Drift - Check" for more detail on the following tests.

Show/hide table

Table 10
Status ⁽¹⁾	Description		Cylinder Drift Specification	Actual	Comments
	Implement	Drift Time
	Implement	Drift Time
	Blade Lift	3 minutes	15 mm (0.59 inch)
	Blade Tip	3 minutes	7 mm (0.28 inch)
	Ripper	3 minutes	4 mm (0.16 inch)
	Wheel Lean	3 minutes	4 mm (0.16 inch)
	Scarifier	3 minutes	8 mm (0.32 inch)
	Snow Wing Lift	3 minutes	12 mm (0.48 inch)
	Snow Wing Tilt	3 minutes	5 mm (0.20 inch)
	Snow Plow Lift	3 minutes	5 mm (0.20 inch)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Hydraulic and Steering System

Hydraulic System Pressure

ReferenceRefer to Testing and Adjusting, UENR3480, "Hydraulic System Pressure - Test and Adjust" for more detail on the following tests.

Show/hide table

Table 11
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Hydraulic System Pressure	27600 ± 400 kPa (4000 ± 60 psi) @ 4.0 L/min (1.10 US gpm) flow rate

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Pilot Pressure

ReferenceRefer to Testing and Adjusting, UENR3480, "Pilot Pressure - Test and Adjust" for more detail on the following tests.

Show/hide table

Table 12
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Pump Discharge Pressure	10000 kPa (1450 psi)
	Pilot Pressure	4000 ± 200 kPa (580 ± 29 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Pump Control Valve

ReferenceRefer to Testing and Adjusting, UENR3480, "Pump Control Valve (Implement, Steering) - Test and Adjust" for more detail on the following tests.

Show/hide table

Table 13
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Margin Pressure Test	14.3 ± 1.9 Seconds
	Margin Pressure Adjustment	2100 ± 100 kPa (305 ± 15 psi)
	Load Sense Pressure	24115 + 400 - 1035 kPa (3500 + 58 -150 psi)
	Shuttle Valve Test	24000 ± 500 kPa (3450 ± 100 psi)
	Steering Load Sense	23500 ± 500 kPa (3408 ± 73 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Disk Pack Preload for Circle Drive

ReferenceRefer to Testing and Adjusting, UENR3480, "Disc Pack Preload for Circle Drive - Adjust" for more detail on the following tests.

Show/hide table

Table 14
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Spring Deflection	2.30 ± 0.25 mm (0.091 ± 0.010 inch)
	Minimum Clutch Disk Thickness	2.14 mm (0.084 inch)
	Minimum Friction Material Thickness	0.25 mm (0.010 inch)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Hydraulic Brake and Fan System

ReferenceRefer to Testing and Adjusting, UENR3480 for more detail on the following tests.

Piston Pump (Hydraulic Fan) Pressure

ReferenceRefer to Testing and Adjusting, UENR3480, "Piston Pump (Hydraulic Fan) Pressure - Test and Adjust - High" for more detail on the following tests.

Show/hide table

Table 15
Status ⁽¹⁾	Description	Specification	Actual	Comments
	High Pressure Cutoff (High Idle)	19000 ± 350 kPa (2755 ± 50 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Hydraulic Fan Speed

ReferenceRefer to Testing and Adjusting, UENR3480, "Hydraulic Fan Speed - Calibrate and Adjust" for more detail on the following tests.

Show/hide table

Table 16
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Margin Pressure (High Idle)	1800 kPa (260 psi)
	Minimum Fan Speed (Standard Machines)	550 ± 25
	Maximum Fan Speed (Standard Machines)	1400 ± 25
	Minimum Fan Speed (High Ambient and All-Wheel Drive Machines)	550 ± 25
	Maximum Fan Speed (High Ambient and All-Wheel Drive Machines)	1550 ± 25

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Service Brake System Pressure

ReferenceRefer to Testing and Adjusting, UENR3480, "Service Brake System Pressure - Test" for more detail on the following tests.

Show/hide table

Table 17
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Service Brake pressure (engine not running)	0 kPa (0 psi)
	Service Brake pressure (Low Idle with pedal depressed)	5860 ± 345 kPa (850 ± 50 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Brake Control Valve (Service)

ReferenceRefer to Testing and Adjusting, UENR3480, "Brake Control Valve (Service) - Check" for more detail on the following tests.

Show/hide table

Table 18
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Maximum Service Brake Pressure Drop After 2 Minutes	138 kPa (20 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Power Train System

ReferenceRefer to Testing & Adjusting, UENR3480, "Power Train Charge System Pressure - Test and Adjust" for more detail on the following test.

Power Train Charge System Pressure

Show/hide table

Table 19
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Charge Pressure @ High Idle	2750 ± 50 kPa (400 ± 10 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Transmission Lubrication Oil Test

ReferenceRefer to Testing & Adjusting, UENR3480, "Transmission Lubrication Oil Pressure - Test" for more detail on the following test.

Show/hide table

Table 20
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Neutral (Low Idle with Differential Lock ON)	14 kPa (2.03056 psi)
	Neutral (High Idle with Differential Lock ON)	350 kPa (50 psi)
	First Gear Forward (Low Idle with Differential Lock ON)	6 kPa (1 psi)
	First Gear Forward (High Idle with Differential Lock ON)	135 kPa (20 psi)
	Neutral (Low Idle with Differential Lock OFF)	14 kPa (2.03056 psi)
	Neutral (High Idle with Differential Lock OFF)	350 kPa (50 psi)
	First Gear Forward (Low Idle with Differential Lock OFF)	6 kPa (1 psi)
	First Gear Forward (High Idle with Differential Lock OFF)	135 kPa (20 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Transmission Pressure Tests

ReferenceRefer to Testing & Adjusting, UENR3480, "Transmission Pressures - Test and Adjust" for more detail on the following test.

Show/hide table

Table 21
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Test Port 1 (First Gear Forward)	2750 ± 50 kPa (400 ± 10 psi)
	Test Port 2 (Second Gear Forward)	2750 ± 50 kPa (400 ± 10 psi)
	Test Port 3 (First Gear Reverse)	2750 ± 50 kPa (400 ± 10 psi)
	Test Port 4 (Second Gear Forward)	2750 ± 50 kPa (400 ± 10 psi)
	Test Port 5 (Neutral)	2750 ± 50 kPa (400 ± 10 psi)
	Test Port 6 (First Gear Forward)	2750 ± 50 kPa (400 ± 10 psi)
	Test Port 6 (First Gear Reverse)	2750 ± 50 kPa (400 ± 10 psi)
	Test Port 7 (First Gear Forward)	2750 ± 50 kPa (400 ± 10 psi)
	Test Port 7 (Second Gear Forward)	2750 ± 50 kPa (400 ± 10 psi)
	Test Port 7 (First Gear Reverse))	2750 ± 50 kPa (400 ± 10 psi)
	Test Port 8 (Neutral)	2750 ± 50 kPa (400 ± 10 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

Differential Lock Pressure

ReferenceRefer to Testing & Adjusting, UENR3480, "Differential Lock Pressure - Check" for more detail on the following test.

Show/hide table

Table 22
Status ⁽¹⁾	Description	Specification	Actual	Comments
	Differential Lock Pressure	2750 ± 50 kPa (400 ± 10 psi)

Show/hide table

^( 1 )

N = Normal, M = Monitor, A = Action

S.O.S

ReferenceRefer to Operation and Maintenance Manual, SEBU9017, "Maintenance Interval Schedule" for more detail on the following test.

Show/hide table

Table 23
Status ⁽¹⁾	Description	Obtain	Comments
	Engine Oil Sample	Every 250 hours
	Engine Coolant Sample (Level 1)	Every 500 hours
	Hydraulic Oil Sample	Every 500 hours
	Transmission/Differential Oil Sample	Every 500 hours
	Tandem Drive Oil Sample	Every 500 hours
	Wheel Bearing Oil Sample (Front)	Every 500 hours
	Gear Group (All-Wheel Drive) Oil Sample (If Equipped)	Every 500 hours
	Engine Coolant Sample (Level 2)	Every 2000 hours or 2 years