- Asphalt Paver
- AP1055F (S/N: TJ51-UP; RLM1-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
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Table 1
Status(1) |
Description |
Specification |
Actual |
Comments |
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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). |
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Refer to Operation and Maintenance Manual, KEBU7067, "Battery and Battery Cable".
Refer to Operation and Maintenance Manual, KEBU7062, "Battery and Battery Cable - Inspect/Replace". |
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Battery Test |
12.4 VDC or more |
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Refer to Special Instruction, SEHS9326, "Battery Test Sheet Report".
Refer to Testing and Adjusting, UENR3387, "Battery - Test". |
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Charging System Test |
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Refer to Testing and Adjusting, UENR3387, "Charging System - Test".
Refer to Special Instruction, REHS0354, "Charging System Troubleshooting". |
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Electric Starting System Test |
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Refer to Testing and Adjusting, UENR3387, "Electric Starting System - Test". |
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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 |
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Radiator Pressure Relief (Radiator Cap)(2) |
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Use Pressurizing Pump to test the radiator pressure cap. 20 kPa (3 psi) more than the pressure marked on the cap. |
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Freezing Point of Engine Coolant |
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Conditioner Test of Engine Coolant |
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Belt Tension |
535 N (120 lb) for new belts.
355 N (80 lb) for used belts. |
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Auto Adjust Belt Tensioner |
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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 |
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Fuel Pressure of the Low-Pressure Fuel System at Idle Speed |
150 kPa (22 psi) |
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Maximum Fuel Pressure of the High-Pressure Fuel System |
200000 kPa (29008 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 |
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Minimum Oil Pressure at Full Engine Speed and at Normal Operating Temperature |
315 kPa (45.7 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 |
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Engine Speed at Low Idle |
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Engine Speed at High Idle |
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Cylinder Cutout Test |
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Caterpillar Electronic Technician |
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Engine Crankcase Pressure (Blowby) |
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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 |
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Cylinder # 1 Exhaust Temperature(2) |
- |
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Cylinder # 2 Exhaust Temperature (2) |
- |
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Cylinder # 3 Exhaust Temperature (2) |
- |
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Cylinder # 4 Exhaust Temperature (2) |
- |
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Cylinder # 5 Exhaust Temperature (2) |
- |
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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. |
Auxiliary System
Reference: Refer to Testing & Adjusting, UENR3144 and UENR3146 for more detail on the following test.
Conveyor Drive Chain (Auger)
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Table 7
Status(1) |
Description |
Specification |
Actual |
Comments |
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Correct amount of deflection at the midpoint of the auger chain |
5.0 ± 1.0 mm (0.20 ± 0.04 inch) |
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Pull force applied to the midpoint of the auger chain to check auger chain deflection |
67 N (15 lb) |
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(1) |
N = Normal, M = Monitor, A = Action |
Conveyor Drive Chain (Drag)
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Table 8
Status(1) |
Description |
Specification |
Actual |
Comments |
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Conveyor drag drive chain tension |
6.0 mm (0.24 inch) |
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(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump Flow (Auxiliary) Test
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Table 9
Status(1) |
Description |
Specification |
Actual |
Comments |
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Engine high idle test speed |
2200 RPM |
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Hydraulic oil temperature for test |
43° ± 6°C (109° ± 43°F) |
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(1) |
N = Normal, M = Monitor, A = Action |
Auxiliary Pump Flow Test
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Table 10
Status(1) |
Description |
Specification |
Actual |
Comments |
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Time Required to retract the tow point cylinder |
8.5 ± 2.0 seconds |
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Time Required to extend the tow point cylinder |
11.5 ± 2.0 seconds |
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Time required to raise the hopper |
4.9 ± 0.5 seconds |
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Time required to lower the hopper |
4.4 ± 0.5 seconds |
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Time required to raise the apron |
5.5 ± 1.0 seconds |
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Time required to lower the apron |
4.1 ± 1.0 seconds |
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Time required to retract the auger height cylinder |
5.0 ± 1.0 seconds |
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Time required to extend the auger height cylinder |
3.5 ± 1.5 seconds |
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(1) |
N = Normal, M = Monitor, A = Action |
Gear Pump Flow (Vibratory) Test
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Table 11
Status(1) |
Description |
Specification |
Actual |
Comments |
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Vibratory shaft speed |
3000 ± 300 RPM |
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(1) |
N = Normal, M = Monitor, A = Action |
Gear Pump Flow (Cooling Fan) Test
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Table 12
Status(1) |
Description |
Specification |
Actual |
Comments |
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Fan speed |
2025 ± 25 RPM |
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Fan pump Pressure |
26000 ± 350 kPa (3771 ± 51 psi) |
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(1) |
N = Normal, M = Monitor, A = Action |
Pressure Reducing Valve Test
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Illustration 1 | g06177528 |
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Table 13
Status(1) |
Description |
Specification |
Actual |
Comments |
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Port "G1" tap (6) of the auxiliary valve |
4830 ± 350 kPa (700 ± 50 psi) |
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(1) |
N = Normal, M = Monitor, A = Action |
Pressure Limiter Valve - Test and Adjust (Left Pump)
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Table 14
Status(1) |
Description |
Specification |
Actual |
Comments |
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Tightening torque for retaining nut (19) securing the coil of parking brake solenoid coil (18). |
4 N·m (3 lb ft) to 6 N·m (4.4 lb ft) |
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The pressure differential pressure between port "M1" (22) and charge pressure port (24). |
42000 ± 1400 kPa (6090 ± 200 psi) |
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The pressure differential pressure between port "M2" (23) and charge pressure port (24). |
42000 ± 1400 kPa (6090 ± 200 psi) |
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Pressure at charge pressure tap (24) |
2700 ± 175 kPa (392 ± 25 psi) |
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Tightening torque for locknut (29) on forward multifunction valve adjustment screw (30). |
23 N·m (17 lb ft) |
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Tightening torque for locknut (31) on reverse multifunction valve adjustment screw (32). |
23 N·m (17 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Pressure Limiter Valve - Test and Adjust (Right Pump)
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Table 15
Status(1) |
Description |
Specification |
Actual |
Comments |
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Tightening torque for retaining nut (15) securing the coil of parking brake solenoid coil (14). |
4 N·m (3 lb ft) to 6 N·m (4.4 lb ft) |
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The pressure differential pressure between port "M1" (18) and charge pressure port (20). |
42000 ± 1400 kPa (6090 ± 200 psi) |
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The pressure differential pressure between port "M2" (19) and charge pressure port (20). |
42000 ± 1400 kPa (6090 ± 200 psi) |
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Pressure at charge pressure tap (20) |
2700 ± 175 kPa (392 ± 25 psi) |
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Tightening torque for locknut (25) on forward multifunction valve adjustment screw (26). |
23 N·m (17 lb ft) |
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Amount of pressure change with one revolution of adjustment screw (26) |
9000 kPa (1305 psi) |
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Tightening torque for locknut (27) on reverse multifunction valve adjustment screw (28). |
23 N·m (17 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Pump Control Valve (Auxiliary) Test
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Illustration 2 | g06177525 |
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Illustration 3 | g06177526 |
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Table 16
Status(1) |
Description |
Specification |
Actual |
Comments |
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Hydraulic pressure at port "G" (1) on right grade and slope valve (2). |
14000 ± 175 kPa (2030 ± 25 psi) |
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Torque for set screw (4) on "PC" adjustment screw (5) in pump control valve (3). |
9.15 ± 1.65 N·m (6.75 ± 1.2 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Pump Control Valve (Generator) Test
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Table 17
Status(1) |
Description |
Specification |
Actual |
Comments |
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The pressure at the generator cooling circuit filter |
Less than 700 kPa (102 psi) |
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(1) |
N = Normal, M = Monitor, A = Action |
Propel System
Reference: Refer to Testing & Adjusting , UENR3144 and UENR3146 for more detail on the following test.
Piston Pump Neutral Test
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Table 18
Status(1) |
Description |
Specification |
Actual |
Comments |
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Engine high idle test speed |
2200 RPM |
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Hydraulic oil temperature for test |
43° ± 6°C (109° ± 43°F) |
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Pressure reading at port "M4" (14) and the pressure reading at port "M5" (13) |
The pressures should agree within 130 kPa (19 psi) |
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Torque for adjustment mechanism locknut on the piston pumps |
10 N·m (7 lb ft) |
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Torque for plugs in ports "M4" and "M5" on the piston pumps |
13 N·m (10 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Seal Leakage for Final Drive Planetary - Test
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Table 19
Status(1) |
Description |
Specification |
Actual |
Comments |
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Brake system pressures |
3445 kPa (500 psi) |
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(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump Flow Test
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Table 20
Status(1) |
Description |
Specification |
Actual |
Comments |
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Charge Relief Pressure |
3200 kPa (464 psi) |
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Desired set point for "PAVE" mode |
60 m/min (202.4 ft/min) |
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Maximum PAVE speed forward |
15.0 ± 2.5 rpm |
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Maximum PAVE speed reverse |
15.0 ± 2.5 rpm |
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Maximum TRAVEL speed forward |
74 ± 3.5 rpm |
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Maximum TRAVEL speed reverse |
74 ± 3.5 rpm |
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(1) |
N = Normal, M = Monitor, A = Action |
Conveyor System
Reference: Refer to Testing & Adjusting, UENR3146 for more detail on the following test.
Conveyor Speed (Drag) Check
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Table 21
Status(1) |
Description |
Specification |
Actual |
Comments |
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The conveyor sprocket shaft speed |
119 ± 15 RPM |
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The time required for the conveyor to make a full revolution |
10.5 ± 1.5 seconds |
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(1) |
N = Normal, M = Monitor, A = Action |
Conveyor Speed (Auger) Check
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Table 22
Status(1) |
Description |
Specification |
Actual |
Comments |
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The auger speed |
151 ± 5 RPM |
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(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Charge, Auger Conveyor and Drag Conveyor) - Test and Adjust
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Table 23
Status(1) |
Description |
Specification |
Actual |
Comments |
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Charge Pressure at feed charge filter |
2700 ± 175 kPa (392 ± 25 psi) |
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Charge pressure at right material feed pump |
2850 ± 200 kPa (413 ± 29 psi) |
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Charge pressure at left material feed pump |
2850 ± 200 kPa (413 ± 29 psi) |
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(1) |
N = Normal, M = Monitor, A = Action |
Piston Motor Case Drain Flow (Auger Conveyor and Drag Conveyor)
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Table 24
Status(1) |
Description |
Specification |
Actual |
Comments |
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Auger motor flow rate |
Less than 4.5 L/min (1.2 US gpm) |
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Conveyor motor flow rate |
Less than 4.5 L/min (1.2 US gpm) |
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(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Main, Auger Conveyor and Drag Conveyor) Test and Adjust
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Illustration 4 | g06177567 |
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Illustration 5 | g06177568 |
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Illustration 6 | g06177569 |
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Illustration 7 | g06177571 |
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Illustration 8 | g06177572 |
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Illustration 9 | g06177573 |
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Illustration 10 | g06177578 |
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Illustration 11 | g06177574 |
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Table 25
Status(1) |
Description |
Specification |
Actual |
Comments |
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Right Conveyor Pump, Forward Pressure, Port "MC" (1) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Right Conveyor Pump, Reverse Pressure, Port "D" (2) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Left Conveyor Pump, Reverse Pressure, Port "MB" (3) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Left Conveyor Pump, Forward Pressure, Port "MA" (4) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Right Auger Pump, Forward Pressure, Port "MB" (5) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Right Auger Pump, Reverse Pressure, Port "A" (6) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Left Auger Pump, Forward Pressure, Port "MD" (9) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Left Auger Pump, Reverse Pressure, Port "C" (8) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Torque Applied to Plug on Main Relief Valves |
80 N·m (59 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Charge) - Test and Adjust (Left Pump)
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Table 26
Status(1) |
Description |
Specification |
Actual |
Comments |
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The pressure at charge pressure tap (15) |
2500 ± 175 kPa (363 ± 25 psi) |
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The pressure at case drain tap (14) |
175 kPa (25 psi) to 410 kPa (59 psi) |
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The differential pressure between charge pressure tap (15) and case drain tap (14) |
1950 kPa (283 psi) to 2500 kPa (363 psi) |
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Approximate pressure change from one turn of charge pressure adjustment screw (20) |
390 kPa (57 psi) |
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Charge pressure adjustment screw locknut (19) torque |
52 N·m (38 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Charge) - Test and Adjust (Right Pump)
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Table 27
Status(1) |
Description |
Specification |
Actual |
Comments |
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The pressure at charge pressure tap (15) |
2500 ± 175 kPa (363 ± 25 psi) |
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The pressure at case drain tap (14) |
175 kPa (25 psi) to 410 kPa (59 psi) |
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The differential pressure between charge pressure tap (15) and case drain tap (14) |
1950 kPa (283 psi) to 2500 kPa (363 psi) |
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Approximate pressure change from one turn of charge pressure adjustment screw (19) |
390 kPa (57 psi) |
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Charge pressure adjustment screw locknut (20) torque |
52 N·m (38 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
S·O·S Samples
Reference: Refer to Operation and Maintenance Manual, KEBU7067, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.
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Table 28
Status(1) |
Description |
Obtain |
Comments |
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Engine Oil Sample |
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Engine Coolant Sample (Level II) |
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Hydraulic System Oil Sample |
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Pump Drive Oil Sample |
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Right Final Drive Planetary Oil Sample |
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Left Final Drive Planetary Oil Sample |
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Right Conveyor Planetary Drive (Auger) Oil Sample |
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Left Conveyor Planetary Drive (Auger) Oil Sample |
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Right Conveyor Planetary Drive (Drag) Oil Sample |
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Left Conveyor Planetary Drive (Drag) Oil Sample |
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(1) |
N = Normal, M = Monitor, A = Action |