- Motor Grader:
- 140H (S/N: XZH1-UP; 5HM1-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
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, SENR5594, "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
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     | -     |     | Alternator, fan drive, air conditioner V-belts should deflect 14 to 20 mm (0.6 to 0.8 inch) under 110 N (25 lb) of force.     |
    | Difference between the Upper Radiator Tank Temperature and Lower Radiator Tank Temperature     | 4° + 5° - 5° C (39° + 41° - 41° F)     |
    |     |
    | Jacket Water Inlet Temperature from Cooling System     | 89° ± 3°C (192° ± 37°F)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
( 2 ) | Test for the pressure that is listed on the cap. |
Fuel System
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Fuel Pressure at HIGH IDLE     | 290 + 110 - 90 kPa (42 + 16 - 13 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Lubrication System
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Engine Oil Pressure at LOW IDLE     | 195 + 405 - 85 kPa (28 + 59 - 12 psi)     |
    |     |
    | Engine Oil Pressure at HIGH IDLE     | 366 + 234 - 166 kPa (53 + 34 - 24 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Basic Engine
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Engine Speed at LOW IDLE     | 800 ± 10 RPM     |     |     |
    | Engine Speed at HIGH IDLE     | 2250 ± 60 RPM     |     |     |
    | Cylinder Cutout Test     | -     |     |     |
    | Engine Crankcase Blowby Pressure     | -     |     |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Air Inlet and Exhaust System
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Boost Pressure Test     | 83.0 ± 12.5 kPa (12.0 ± 1.8 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, SEBU7056, "Braking System - Test" and Operation and Maintenance Manual, SEBU6864, "Braking System - Test" for more detail on the following test.
Status (1)     | Description     | Perform     | Comments     |
---|---|---|---|
    | Service Brake Test     |     |     |
    | Parking Brake Test     |     |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic Performance Checks
ReferenceRefer to Testing and Adjusting, SENR8518, "Hydraulic and Steering System" and Testing and Adjusting, SENR9186, "Hydraulic and Steering System" for more detail on the following tests.
Cylinder Cycle Time - Check
Status (1)     | Description     | Specification     | Actual     | Comments     |
---|---|---|---|---|
    | Blade Lift - Rod In (2)     | 2.8 ± 0.4     |     |     |
    | Blade Lift - Rod Out (2)     | 2.5 ± 0.4     |     |     |
    | Centershift - Rod In (2)     | 6.4 ± 1.1     |     |     |
    | Centershift - Rod Out (2)     | 6.2 ± 0.9     |     |     |
    | Wheel Lean - Rod In (2)     | 2.0 ± 0.3     |     |     |
    | Wheel Lean - Rod Out (2)     | 2.0 ± 0.3     |     |     |
    | Blade Tip - Rod In (2)     | 2.6 ± 0.3     |     |     |
    | Blade Tip - Rod Out (2)     | 2.6 ± 0.4     |     |     |
    | Side Shift - Rod In (2)     | 9.0 ± 1.3     |     |     |
    | Side Shift - Rod Out (2)     | 9.1 ± 1.3     |     |     |
    | Scarifier - Rod In (if equipped) (2)     | 3.0 ± 0.4     |     |     |
    | Scarifier - Rod Out (if equipped) (2)     | 2.0 ± 0.3     |     |     |
    | Ripper (If Equipped) - Rod In (2)     | 5.4 ± 1.5     |     |     |
    | Ripper (If Equipped) - Rod Out (2)     | 4.1 ± 0.6     |     |     |
    | Articulation - Rod In (3) (4)     | 3.9 ± 0.9     |     |     |
    | Articulation - Rod Out (3)     | 3.9 ± 0.9     |     |     |
    | Blade Circle - 1/4 rotation     | 12.2 ± 1.5     |     |     |
    | Steering Wheel - Number of Turns     | 6 to 7     |     |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
( 2 ) | Cycle times are for a "running distance" of 305 mm (12 inch). |
( 4 ) | When you check the cycle times for 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 and Steering System
ReferenceRefer to Testing and Adjusting, SENR8518, "Hydraulic and Steering System", and Testing and Adjusting, SENR9186, "Hydraulic and Steering System" for more detail on the following test.
Pump Control Valve (Hydraulic, Steering) - Test and Adjust
Hydraulic Pump Low Standby Pressure Adjustment for 140H S/N:5HM1-1149
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Low Pressure Standby at HIGH IDLE     | 3300 ± 700 kPa (480 ± 100 psi)     |
    |     |
    | True Low Pressure Standby at HIGH IDLE     | 3100 ± 895 kPa (450 ± 130 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Low Standby Pressure Adjustment for 140H S/N:XZH1-UP and ; S/N:5HM1150-UP
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Low Pressure Standby at HIGH IDLE     | 3300 ± 689 kPa (480 ± 100 psi)     |
    |     |
    | True Low Pressure Standby at HIGH IDLE     | 2100 ± 150 kPa (305 ± 22 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic System Pressure Adjustments for 140H S/N:5HM1-1149
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Implement Cylinder Stall Pressure at HIGH IDLE     | 24150 ± 350 kPa (3500 ± 70 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Hydraulic System Pressure for 140H S/N:XZH1-UP and ; S/N:5HM1150-UP
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Implement Cylinder Stall Pressure at HIGH IDLE     | 24132 ± 1034 kPa (3500 ± 150 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Implement) - Test and Adjust
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Relief Valve Pressure     | 27600 ± 400 kPa (3900 ± 60 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Disc Pack Preload for Circle Drive - Adjust for 140H S/N:XZH1-UP and ; S/N:5HM1150-UP
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 |
Steering Wheel Slip - Check
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Steering Wheel Revolutions from Stop to Stop     | 6.5 turns     |     |     |
    | Maximum Steering Pressure     | 19300 ± 690 kPa (2800 ± 100 psi) (2)     |
    |     |
    | 18616 ± 689 kPa (2700 ± 100 psi) (3) |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
( 2 ) | For 140H S/N:5HM1-1149. |
( 3 ) | For 140H S/N:XZH1-UP and ; S/N:5HM1150-UP. |
Testing And Charging The Steering Accumulator for 140H S/N:5HM1-1149
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Precharge Pressure     | 6900 kPa (1000 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Accumulator (Steering) - Test and Charge for 140H S/N:XZH1-UP and ; S/N:5HM1150-UP
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Charging Pressure for the Accumulator     | 6890 ± 345 kPa (1000 ± 50 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Relief Valve (Steering) - Test and Adjust
Status (1)     | Description     | Specification     | Actual     | Comments     |
---|---|---|---|---|
    | Relief Valve (Steering) Pressure     | 17400 ± 300 kPa (2524 ± 44 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Air and Brake System
ReferenceRefer to Testing and Adjusting, RENR1417, "Air System and Brakes" and Testing and Adjusting, SENR8670, "Air System and Brakes" for more detail on the following test.
Air Pressure Gauge - Test
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Pressure difference between Air Pressure Gauge and Test Pressure Gauge for Right or Left Tank gauge     | 35 kPa (5 psi) Maximum     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Air Compressor Governor - Test and Adjust
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Cut IN, Pressure     | 793 kPa (115 psi) (2)     |
    |     |
    | 790 ± 70 kPa (115 ± 10 psi) (3) |
    |     | |
    | Cut OUT, Pressure     | 965 ± 34 kPa (140 ± 5 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
( 2 ) | For 140H S/N:5HM1-1149 |
( 3 ) | For 140H S/N:XZH1-UP and ; S/N:5HM1150-UP |
Pressure Switch (Low Brake Air) - Test for 140H S/N:5HM1-1149
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Cut IN, Pressure     | 530 ± 40 kPa (77 ± 6 psi) Approximately     |
    |     |
    | Cut OUT, Pressure     | Above 640 kPa (93 psi) Approximately     |
    |     |
    | Low Brake Air Pressure Alarm Test     | 530 ± 40 kPa (77 ± 6 psi)     |
    |     |
    | Low Brake Air Pressure - Indicator     | 530 ± 40 kPa (77 ± 6 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Pressure Switch (Low Brake Air) - Test for 140H S/N:XZH1-UP and ; S/N:5HM1150-UP
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Cut IN, Pressure     | 530 kPa (77 psi) Approximately     |
    |     |
    | Cut OUT, Pressure     | 640 kPa (93 psi) Approximately     |
    |     |
    | Low Brake Air Pressure Alarm Test     | 530 kPa (77 psi) Minimum     |
    |     |
    | Low Brake Air Pressure - Indicator     | 530 kPa (77 psi) Minimum     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Pressure Switch (Brake Air) (Stop Lamp) - Test
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Stop Lamp Brake Air Pressure Switch Test     | 45 kPa (7 psi) Approximately     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Power Train System
ReferenceRefer to Testing and Adjusting, SENR9159, "Power Train", and Testing and Adjusting, SENR8503, "Power Train" for more detail on the following test.
Transmission Charging Pump Pressure - Test and Adjust for 140H S/N:5HM1-1149
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Transmission Charging Pump Pressure at LOW IDLE     | 2750 kPa (400 psi) (2)     |
    |     |
    | Transmission Charging Pump Pressure at HIGH IDLE     | 3300 kPa (480 psi) (2)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
( 2 ) | Neutral position |
Transmission Charging Pump Pressure - Test and Adjust for 140H S/N:XZH1-UP and ; S/N:5HM1150-UP
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Transmission Charging Pump Pressure at LOW IDLE     | 2690 kPa (390 psi) (2)     |
    |     |
    | Transmission Charging Pump Pressure at HIGH IDLE     | 3240 kPa (470 psi) (2)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
( 2 ) | Neutral position |
Transmission Lubrication Oil Pressure - Test for 140H S/N:5HM1-1149
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Transmission Lubrication Oil Pressure at LOW IDLE in NEUTRAL position     | 80 ± 30 kPa (12 ± 4 psi)     |
    |     |
    | Transmission Lubrication Oil Pressure at HIGH IDLE in NEUTRAL position     | 558 ± 55 kPa (80 ± 8 psi)     |
    |     |
    | Transmission Lubrication Oil Pressure at LOW IDLE in FIRST GEAR FORWARD position     | Minimum 7 kPa (1 psi)     |
    |     |
    | Transmission Lubrication Oil Pressure at HIGH IDLE in FIRST GEAR FORWARD position     | 241 ± 27 kPa (35 ± 4 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Transmission Lubrication Oil Pressure - Test for 140H S/N:XZH1-UP and ; S/N:5HM1150-UP
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Transmission Lubrication Oil Pressure at LOW IDLE in NEUTRAL position     | 28 kPa (4 psi)     |
    |     |
    | Transmission Lubrication Oil Pressure at HIGH IDLE in NEUTRAL position     | 345 kPa (50 psi)     |
    |     |
    | Transmission Lubrication Oil Pressure at LOW IDLE in FIRST GEAR FORWARD position     | 7 kPa (1 psi)     |
    |     |
    | Transmission Lubrication Oil Pressure at HIGH IDLE in FIRST GEAR FORWARD position     | 207 kPa (30 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Transmission Pressures - Test for 140H S/N:5HM1-1149
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 1 (First Gear, Forward)     | 2180 ± 95 kPa (316 ± 14 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 2 (Second Gear, Forward)     | 2350 ± 95 kPa (341 ± 14 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 3 (First Gear, Reverse)     | 2255 ± 110 kPa (327 ± 16 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 4 (Second Gear, Forward)     | 1965 ± 110 kPa (285 ± 16 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 5 (Neural)     | 2790 ± 85 kPa (405 ± 12 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 6 (First Gear, Forward or Reverse)     | 2670 ± 90 kPa (387 ± 13 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 7 (First Gear, Forward or Reverse) or (Second, Forward)     | 1540 ± 85 kPa (223 ± 12 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 8 (Neutral)     | 2670 ± 95 kPa (387 ± 14 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Transmission Pressures - Test for 140H S/N:XZH1-UP and ; S/N:5HM1150-UP
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 1 (First Gear, Forward)     | 2080 to 2275 kPa (302 to 330 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 2 (Second Gear, Forward)     | 2255 to 2445 kPa (327 to 355 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 3 (First Gear, Reverse)     | 2145 to 2365 kPa (311 to 343 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 4 (Second Gear, Forward)     | 1855 to 2075 kPa (269 to 301 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 5 (Neural)     | 2710 to 2875 kPa (393 to 417 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 6 (First Gear, Forward or Reverse)     | 2580 to 2760 kPa (374 to 400 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 7 (First Gear, Forward or Reverse) or (Second, Forward)     | 2525 to 2815 kPa (366 to 408 psi)     |
    |     |
    | Transmission Clutch Pressure with Differential Lock OFF at Clutch 8 (Neutral)     | 2570 to 2765 kPa (373 to 401 psi)     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
Differential Lock Pressure - Check
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Differential Lock Pressure (2)     | 2620 kPa (380 psi) minimum     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
( 2 ) | Remove the differential drive shaft. Operate the machine in FIRST GEAR FORWARD at HIGH IDLE. Engage the differential lock valve. |
Clutch Control - Test
Status (1)     | Description     | Specification     | Actual     | Comments     |
    | Clutch Control Pressure (2)     | 2125 kPa (308 psi) minimum     |
    |     |
( 1 ) | N = Normal, M = Monitor, A = Action |
( 2 ) | Move the transmission control lever to FIRST GEAR FORWARD position and operate at half throttle. Depress clutch pedal. The transmission should be turning. |
S.O.S
ReferenceRefer to Operation and Maintenance Manual, SEBU7056, "Maintenance Interval Schedule" and Operation and Maintenance Manual, SEBU6864, "Maintenance Interval Schedule"for more detail on the following test.
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 |