- Asphalt Paver
- AP655F (S/N: P651-UP; 6551-UP; MH61-UP; ML61-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.
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- 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, KEBU7068, "Battery or Battery Cables - Inspect/Replace" for AP600F.
Refer to Operation and Maintenance Manual, KEBU7070, "Battery or Battery Cables - Inspect/Replace" for AP655F. |
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Battery Test |
12.4 VDC or more |
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Refer to Special Instruction, SEHS7633, "Battery Test Procedure". |
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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 9S-8140 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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Jacket Water Outlet Temperature |
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After cooler Water Outlet Temperature |
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Jacket Water Inlet Temperature from Cooling System |
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Oil Cooler Water Outlet Temperature |
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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 Engine Oil Pressure at Maximum Engine Speed |
315 kPa (46 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, M0066948 of AP600F for more detail on the following test.
Reference: Refer to Testing & Adjusting, M0066866 of AP655F for more detail on the following test.
Conveyor Drive Chain (Auger) - Test
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Table 7
Status(1) |
Description |
Specification |
Actual |
Comments |
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Pull force applied to the midpoint of the auger chain to check auger chain deflection |
67.0 N (15.1 lb) |
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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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(1) |
N = Normal, M = Monitor, A = Action |
Conveyor Speed (Auger) - Check
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Table 8
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 |
Conveyor Speed (Drag) - Check
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Table 9
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 Drive Chain (Drag) - Check and Adjust
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Table 10
Status(1) |
Description |
Specification |
Actual |
Comments |
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Conveyor drag chain tension for AP600F |
6.0 ± 2.0 mm (0.24 ± 0.08 inch) |
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(1) |
N = Normal, M = Monitor, A = Action |
Conveyor Drive Chain (Drag) - Test
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Table 11
Status(1) |
Description |
Specification |
Actual |
Comments |
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Conveyor drag drive chain tension AP655F |
No part of the conveyor drag chains should hang below the level of main frame |
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(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump Flow (Auxiliary) - Test
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Table 12
Status(1) |
Description |
Specification |
Actual |
Comments |
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Time Required to retract the tow point cylinder |
8.0 ± 2.5 seconds |
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Time Required to extend the tow point cylinder |
12.0 ± 3.0 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 |
4.5 ± 1.0 seconds |
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Time required to lower the apron |
3.1 ± 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 |
Vibratory Shaft Speed - Calibrate
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Table 13
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 (Hydraulic Fan) - Test
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Table 14
Status(1) |
Description |
Specification |
Actual |
Comments |
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The cooling fan gear pump target rate of flow |
Greater than 64 L/min (17 US gpm) |
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(1) |
N = Normal, M = Monitor, A = Action |
Pump Control Valve (Auxiliary) - Test and Adjust
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Illustration 1 | g06178991 |
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Illustration 2 | g06178990 |
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Table 15
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 lock nut (4) securing set screw (3) |
9.0 ± 1.6 N·m (6.6 ± 1.2 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Pressure Reducing Valve (Truck Hitch) - Test and Adjust
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Illustration 3 | g06178994 |
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Table 16
Status(1) |
Description |
Specification |
Actual |
Comments |
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Target pressure for the track hitch pressure reducing valve at tap (5) for AP600F |
7000 ± 175 kPa (1015 ± 25 psi) |
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Target pressure for the track hitch pressure reducing valve at tap (5) for AP655F |
6900 ± 170 kPa (1001 ± 25 psi) |
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(1) |
N = Normal, M = Monitor, A = Action |
Pressure Reducing Valve - Test and Adjust (Shift Solenoid)
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Illustration 4 | g06178995 |
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Table 17
Status(1) |
Description |
Specification |
Actual |
Comments |
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Port "G1" tap (6) of the auxiliary valve |
5000 ± 350 kPa (725 ± 51 psi) |
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(1) |
N = Normal, M = Monitor, A = Action |
Propel System
Reference: Refer to Testing & Adjusting, M0066938 of AP600F for more detail on the following test.
Reference: Refer to Testing & Adjusting, M0066852 of AP655F for more detail on the following test.
Rotary Position Sensor (Decelerator Pedal) - Test and Adjust
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Table 18
Status(1) |
Description |
Specification |
Actual |
Comments |
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Target value when the decelerator pedal is released |
19 ± 5 percent |
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Target value when the decelerator pedal is depressed |
79 ± 5 percent |
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(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump Neutral - Test and Adjust (Right Propel)
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Illustration 5 | g06178583 |
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Illustration 6 | g06178584 |
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Table 19
Status(1) |
Description |
Specification |
Actual |
Comments |
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Pressure reading at port "M4" (1) and the pressure reading at port "M5" (2) |
The pressures should agree within 130.0 kPa (18.9 psi) |
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Torque applied to plug in port "M4" (1) and port "M5" (2) |
12.0 N·m (8.9 lb ft) |
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Torque applied to locknut (3) securing adjustment screw (4) |
13.0 N·m (9.6 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump Neutral - Test and Adjust (Left Propel)
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Illustration 7 | g06178587 |
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Illustration 8 | g06178588 |
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Table 20
Status(1) |
Description |
Specification |
Actual |
Comments |
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Pressure reading at port "M4" (5) and the pressure reading at port "M5" (6) |
The pressures should agree within 130.0 kPa (18.9 psi) |
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Torque applied to plug in port "M4" (5) and port "M5" (6) |
12.0 N·m (8.9 lb ft) |
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Torque applied to locknut (7) securing adjustment screw (8) |
13.0 N·m (9.6 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Charge) - Test and Adjust (Right Propel)
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Illustration 9 | g06178657 |
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Illustration 10 | g06178658 |
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Illustration 11 | g06178659 |
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Table 21
Status(1) |
Description |
Specification |
Actual |
Comments |
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Pressure at the case drain tap (9) |
175 kPa (25 psi) to 410 kPa (60 psi) |
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The pressure at charge pressure tap (10) |
2425 ± 175 kPa (352 ± 25 psi) |
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The differential pressures between charge pressure tap (10) and case drain tap (9) |
1950 kPa (283 psi) to 2500 kPa (363 psi) |
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Approximate pressure change from one turn of charge pressure adjustment screw (12) |
390 kPa (57 psi) |
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Charge pressure adjustment screw lock nut (11) |
52 N·m (38 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Relief Valve (Charge) - Test and Adjust (Left Propel)
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Illustration 12 | g06179000 |
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Illustration 13 | g06179002 |
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Illustration 14 | g06179003 |
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Table 22
Status(1) |
Description |
Specification |
Actual |
Comments |
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The pressure at charge pressure tap (13) |
2425 ± 175 kPa (352 ± 25 psi) |
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Pressure at case drain tap (14) |
175 kPa (25 psi) to 410 kPa (60 psi) |
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The differential pressures between charge pressure tap (13) 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 (15) |
390 kPa (57 psi) |
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Charge pressure adjustment screw lock nut (16) |
52 N·m (38 lb ft) |
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(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump Flow - Test for AP600F
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Table 23
Status(1) |
Description |
Specification |
Actual |
Comments |
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Charge relief pressure |
3200 kPa (464 psi) |
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Desired setpoint for "PAVE" mode |
60 m/min (202 ft/min) |
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Maximum "PAVE" speed in forward |
15.0 ± 2.5 RPM |
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Maximum "PAVE" speed in reverse |
15.0 ± 2.5 RPM |
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Maximum "TRAVEL" speed in forward |
55.0 ± 3.5 RPM |
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Maximum "TRAVEL" speed in reverse |
55.0 ± 3.5 RPM |
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(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump Flow - Test for AP655F
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Table 24
Status(1) |
Description |
Specification |
Actual |
Comments |
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Charge relief pressure |
2425.0 ± 175.0 kPa (351.7 ± 25.4 psi) |
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Desired setpoint for "PAVE" mode |
48.8 m/min (160.0 ft/min) |
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Maximum "PAVE" speed in forward |
26.0 ± 2.5 RPM |
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Maximum "PAVE" speed in reverse |
26.0 ± 2.5 RPM |
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Maximum "TRAVEL" speed in forward |
54.0 ± 3.5 RPM |
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Maximum "TRAVEL" speed in reverse |
54.0 ± 3.5 RPM |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Pressure Limiter Valve - Test and Adjust (Left Propel)
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Illustration 15 | g06179014 |
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Illustration 16 | g06179015 |
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Illustration 17 | g06179016 |
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Illustration 18 | g06179018 |
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Illustration 19 | g06179020 |
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Table 25
Status(1) |
Description |
Specification |
Actual |
Comments |
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Tightening torque for retaining nut (18) securing the coil of parking brake solenoid coil (17) |
4 N·m (3 lb ft) to 6 N·m (4 lb ft) |
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The pressure differential pressure between port "M1" (19) and charge pressure port (21) |
42000 ± 1400 kPa (6092 ± 203 psi) |
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The pressure differential pressure between port "M2" (20) and charge pressure port (21) |
42000 ± 1400 kPa (6092 ± 203 psi) |
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Pressure at charge pressure tap (21) |
2425 ± 175 kPa (352 ± 25 psi) |
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Tightening torque for locknut (22) on forward multifunction valve adjustment screw (23) |
23 N·m (17 lb ft) |
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Tightening torque for locknut (25) on reverse multifunction valve adjustment screw (24) |
23 N·m (17 lb ft) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Pressure Limiter Valve - Test and Adjust (Right Propel)
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Illustration 20 | g06179103 |
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Illustration 21 | g06179107 |
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Illustration 22 | g06179109 |
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Illustration 23 | g06179110 |
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Illustration 24 | g06179112 |
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Table 26
Status(1) |
Description |
Specification |
Actual |
Comments |
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Tightening torque for retaining nut (27) securing the coil of parking brake solenoid coil (26) |
4 N·m (3 lb ft) to 6 N·m (4 lb ft) |
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The pressure differential pressure between port "M1" (28) and charge pressure port (30) |
42000 ± 1400 kPa (6092 ± 203 psi) |
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The pressure differential pressure between port "M2" (29) and charge pressure port (30) |
42000 ± 1400 kPa (6092 ± 203 psi) |
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Pressure at charge pressure tap (30) |
2425 ± 175 kPa (352 ± 25 psi) |
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Tightening torque for locknut (31) on forward multifunction valve adjustment screw (32) |
23 N·m (17 lb ft) |
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Amount of pressure change with one revolution of adjustment screw (32) |
9000 kPa (1305 psi) |
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Tightening torque for locknut (33) on reverse multifunction valve adjustment screw (34) |
23 N·m (17 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 27
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 (Front Wheel Assist) - Test
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Table 28
Status(1) |
Description |
Specification |
Actual |
Comments |
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Hydraulic pressure when 100 percent front wheel assist effort is reached |
21000 ± 700 kPa (3046 ± 102 psi) |
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(1) |
N = Normal, M = Monitor, A = Action |
Conveyor System
Reference: Refer to Testing & Adjusting, M0066948 of AP600F for more detail on the following test.
Reference: Refer to Testing & Adjusting, M0066866 of AP655F for more detail on the following test.
Piston Motor Case Drain Flow (Auger Conveyor and Drag Conveyor) - Test
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Table 29
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 (Charge, Auger Conveyor and Drag Conveyor) - Test and Adjust
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Illustration 25 | g06179023 |
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Illustration 26 | g06179025 |
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Table 30
Status(1) |
Description |
Specification |
Actual |
Comments |
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Charge Pressure at feed charge filter |
2525 ± 175 kPa (366 ± 25 psi) |
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Charge pressure at isolated right material feed pump |
2850 ± 200 kPa (413 ± 29 psi) |
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Charge pressure at isolated left material feed pump |
2850 ± 200 kPa (413 ± 29 psi) |
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Locknut (1) on adjustment screw (2) torque |
17 N·m (13 lb ft) |
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Locknut (3) on adjustment screw (4) torque |
17 N·m (13 lb ft) |
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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 27 | g06179026 |
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Illustration 28 | g06179028 |
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Illustration 29 | g06179045 |
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Illustration 30 | g06179047 |
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Illustration 31 | g06179049 |
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Illustration 32 | g06179051 |
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Illustration 33 | g06179054 |
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Illustration 34 | g06179056 |
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Table 31
Status(1) |
Description |
Specification |
Actual |
Comments |
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Right Conveyor Pump, Forward Pressure, Port "MC" (5) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Right Conveyor Pump, Reverse Pressure, Port "D" (6) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Left Conveyor Pump, Reverse Pressure, Port "MB" (7) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Left Conveyor Pump, Forward Pressure, Port "MA" (8) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Right Auger Pump, Forward Pressure, Port "MB" (9) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Right Auger Pump, Reverse Pressure, Port "A" (10) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Left Auger Pump, Forward Pressure, Port "MD" (11) |
34500 ± 2100 kPa (5009 ± 305 psi) |
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Left Auger Pump, Reverse Pressure, Port "C" (12) |
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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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
Piston Pump Neutral (Auger Conveyor and Drag Conveyor) - Test and Adjust
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Table 32
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 (77 ° ± 11 °F) |
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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 |
12 N·m (9 lb ft) |
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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |
S·O·S Samples
Reference: Refer to Operation and Maintenance Manual, KEBU7070 and KEBU7071, "Maintenance Interval Schedule" for more detail on performing S.0.S samples.
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Table 33
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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Show/hide table
(1) |
N = Normal, M = Monitor, A = Action |