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

Motor Grader:

14M (S/N: B9J1-UP; R9J1-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.

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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, 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)

( 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	-		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	3° + 5° - 5° C (37° + 41° - 41° F)
	Jacket Water Inlet Temperature from Cooling System	89° + 3° - 3°C (192° + 37° - 37°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
	Fuel Pressure at HIGH IDLE	630 ± 210 kPa (91 ± 30 psi)

( 1 )

N = Normal, M = Monitor, A = Action

Lubrication System

Table 4

Status (1)	Description	Specification	Actual	Comments
	Engine Oil Pressure at LOW IDLE	165 + 435 - 105 kPa (24 + 63 - 15 psi)
	Engine Oil Pressure at HIGH IDLE	340 + 260 - 160 kPa (49 + 38 - 23 psi)

( 1 )

N = Normal, M = Monitor, A = Action

Basic Engine

Table 5

Status (1)	Description	Specification	Actual	Comments
	Engine Speed at LOW IDLE	800 ± 10 RPM
	Engine Speed at HIGH IDLE	2150 ± 40 RPM
	Cylinder Cutout Test	-
	Engine Crankcase Blowby Pressure	-

( 1 )

N = Normal, M = Monitor, A = Action

Air Inlet and Exhaust System

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)	-

( 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, SEBU7883, "Braking System - Test" for more detail on the following test.

Table 7

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

( 1 )

N = Normal, M = Monitor, A = Action

Secondary Steering Performance Checks

ReferenceRefer to Testing and Adjusting, RENR8472, "Relief Valve (Secondary Steering) - Test" for more detail on the following tests.

Table 8

Status (1)	Description	Specification	Actual	Comments
	Relief Valve (Secondary Steering) - Test	17225 kPa (2500 psi)

( 1 )

N = Normal, M = Monitor, A = Action

Hydraulic Performance Checks

ReferenceRefer to Testing and Adjusting, RENR8484, "Hydraulic and Steering System " for more detail on the following tests.

Cylinder Cycle Time - Check

Table 9

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

( 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

Table 10

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)

( 1 )

N = Normal, M = Monitor, A = Action

Hydraulic and Steering System

ReferenceRefer to Testing and Adjusting, RENR8484, "Hydraulic and Steering System" for more detail on the following test.

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

Table 11

Status (1)	Description	Specification	Actual	Comments
	Low Pressure Standby at HIGH IDLE	4000 ± 200 kPa (580 ± 30 psi)
	True Low Pressure Standby at HIGH IDLE	2100 ± 100 kPa (305 ± 15 psi)
	Implement Cylinder Stall Pressure at HIGH IDLE	24000 ± 500 kPa (3500 ± 75 psi)
	Implement Cylinder Stall Pressure at LOW IDLE	22050 ± 500 kPa (3200 ± 72 psi)

( 1 )

N = Normal, M = Monitor, A = Action

Hydraulic System Pressure - Test and Adjust

Table 12

Status (1)	Description	Specification	Actual	Comments
	Relief Valve Pressure Range	27600 ± 400 kPa (4000 ± 60 psi)

( 1 )

N = Normal, M = Monitor, A = Action

Pilot Pressure - Test and Adjust

Table 13

Status (1)	Description	Specification	Actual	Comments
	Pump Discharge Pressure	10000 kPa (1450 psi)
	Pilot Pressure	4000 ± 200 kPa (580 ± 30 psi)

( 1 )

N = Normal, M = Monitor, A = Action

Accumulator (Blade Cushion) - Test and Charge

Table 14

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

Table 15

Status (1)	Description	Specification	Actual	Comments
	Spring Deflection	2.30 ± 0.25 mm (0.091 ± 0.010 inch)
	Bearing Preload	0.00 to 0.13 mm (0.000 to 0.005 inch)

( 1 )

N = Normal, M = Monitor, A = Action

Braking and Hydraulic Fan System

ReferenceRefer to Testing and Adjusting, RENR8486, "Braking and Hydraulic Fan System" for more detail on the following test.

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

Table 16

Status (1)	Description	Specification	Actual	Comments
	High Pressure Cutoff Setting	21500 ± 200 kPa (3120 ± 30 psi) or less

( 1 )

N = Normal, M = Monitor, A = Action

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

Table 17

Status (1)	Description	Specification	Actual	Comments
	Margin Pressure for Braking and Hydraulic Fan Pump	1800 kPa (260 psi)

( 1 )

N = Normal, M = Monitor, A = Action

Hydraulic Fan Speed - Test

Table 18

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

( 1 )

N = Normal, M = Monitor, A = Action

Brake Accumulator Charging Valve - Test and Adjust

Table 19

Status (1)	Description	Specification	Actual	Comments
	Cut IN, Pressure	9650 ± 661 kPa (1400 ± 96 psi)
	Cut OUT, Pressure	15858 ± 661 kPa (2300 ± 96 psi)

( 1 )

N = Normal, M = Monitor, A = Action

Brake Accumulator (Service) - Test and Charge

Table 20

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)

( 1 )

The tolerance on the nominal pressure is 206 kPa (30 psi).

Service Brake System Pressure - Test

Table 21

Status (1)	Description	Specification	Actual	Comments
	Left and Right Service Brake Pressures	5860 ± 345 kPa (850 ± 50 psi)

( 1 )

N = Normal, M = Monitor, A = Action

Power Train System

ReferenceRefer to Testing and Adjusting, RENR8482, "Power Train" for more detail on the following test.

Power Train Charge System Pressure - Test and Adjust

Table 22

Status (1)	Description	Specification	Actual	Comments
	Power Train Charge System Pressure at HIGH IDLE	2480 ± 35 kPa (360 ± 5 psi)

( 1 )

N = Normal, M = Monitor, A = Action

Transmission Lubrication Oil Pressure - Test

Table 23

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)

( 1 )

N = Normal, M = Monitor, A = Action

Transmission Pressures - Test and Adjust

Table 24

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)

( 1 )

N = Normal, M = Monitor, A = Action

Differential Lock Pressure - Check

Table 25

Status (1)	Description	Specification	Actual	Comments
	Differential Lock Pressure	2480 ± 70 kPa (360 ± 10 psi)

( 1 )

N = Normal, M = Monitor, A = Action

S.O.S

ReferenceRefer to Operation and Maintenance Manual, SEBU7883, "Maintenance Interval Schedule" for more detail on the following test.

Table 26

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)

( 1 )

N = Normal, M = Monitor, A = Action