- Wheel Tractor-Scraper
- 637K (S/N: WTS1-UP; WTT1-UP)
Introduction
Inspections are the most basic form of condition monitoring. The 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 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
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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 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 | 18 VDC to 32 VDC | Refer to Special Instruction, REHS0354, "Charging System Troubleshooting". | ||
Electric Starting System Test | 12 to 16 V at |
Refer to Testing and Adjusting, UENR3402, "Electric Starting System - Test". | ||
14 to 18 V at |
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16 to 24 V at |
(1) | N = Normal, M = Monitor, A = Action |
Cooling System
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 |
(1) | N = Normal, M = Monitor, A = Action |
(2) | Test for the pressure that is listed on the cap. |
Fuel System
Reference: Refer to Testing & Adjusting, UENR0946, "Fuel System Pressure - Test" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Fuel Pressure | |
(1) | N = Normal, M = Monitor, A = Action |
Lubrication System
Reference: Refer to Testing & Adjusting, UENR0946, "Engine Oil Pressure - Test" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Engine Oil Pressure at Low Idle | |
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Engine Oil Pressure at Full Load Speed | |
(1) | N = Normal, M = Monitor, A = Action |
Basic Engine
Status(1) | Description | Specification | Actual | Comments |
Engine Speed at Low Idle | 740 rpm to 760 rpm | |||
Engine Speed at High Idle | 2110 rpm to 2130 rpm | |||
Torque Check Engine Speed | 1290 rpm to 1310 rpm | |||
Boost Pressure At Torque Check Speed | N/A | |||
Cylinder Cutout Test | - |
(1) | N = Normal, M = Monitor, A = Action |
Air Inlet and Exhaust System
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) | - |
(1) | N = Normal, M = Monitor, A = Action |
(2) | Compare the exhaust temperature variance at each exhaust port. |
Cooling System
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 |
(1) | N = Normal, M = Monitor, A = Action |
(2) | Test for the pressure that is listed on the cap. |
Fuel System
Reference: Refer to Testing & Adjusting, UENR0946, "Fuel System Pressure - Test" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Fuel Pressure | |
(1) | N = Normal, M = Monitor, A = Action |
Lubrication System
Reference: Refer to Testing & Adjusting, UENR0946, "Engine Oil Pressure - Test" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Engine Oil Pressure at Low Idle | |
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Engine Oil Pressure at Full Load Speed | |
(1) | N = Normal, M = Monitor, A = Action |
Basic Engine
Status(1) | Description | Specification | Actual | Comments |
Engine Speed at Low Idle | 590 rpm to 610 rpm | |||
Engine Speed at High Idle | 2410 rpm to 2430 rpm | |||
Torque Check Engine Speed | 1390 rpm to 1410 rpm | |||
Boost Pressure At Torque Check Speed | N/A | |||
Cylinder Cutout Test | - |
(1) | N = Normal, M = Monitor, A = Action |
Air Inlet and Exhaust System
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) | - |
(1) | N = Normal, M = Monitor, A = Action |
(2) | Compare the exhaust temperature variance at each exhaust port. |
Performance Checks
Reference: Refer to Testing & Adjusting, UENR4608 for more detail on the following tests.
Brake Performance Checks
Reference: Refer to Operation and Maintenance Manual, SEBU9132, "Maintenance Section" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
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Service Brake Test (Test from OMM) | 1200 rpm | |||
Parking Brake Test (Test from OMM) | 900 rpm |
(1) | N = Normal, M = Monitor, A = Action |
Secondary Steering Performance Checks
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Three Second Powerup Test | - | |||
Secondary Steering Response Test - Steer Right (Stop to Stop) | - | |||
Secondary Steering Response Test - Steer Left (Stop to Stop) | - |
(1) | N = Normal, M = Monitor, A = Action |
Steering Performance Checks
Status(1) | Description | Specification | Actual | Comments |
Steering Wheel Slip Test | 25 ± 5° | |||
Steering Time Stop to Stop (Full Left to Full Right) | 5.0 ± 0.5 seconds | |||
Steering Time Stop to Stop (Full Right to Full Left) | 5.0 ± 0.5 seconds |
(1) | N = Normal, M = Monitor, A = Action |
Hydraulic Performance Checks
Status(1) | Description | Specification | Actual | Comments |
---|---|---|---|---|
Bowl Raise (Ground Level to Maximum Height) | 3.5 ± .5 seconds | |||
Bowl Lower (Maximum Height to Ground Level) | 3.5 ± .5 seconds | |||
Apron Lift (Full Lowered to Maximum Height) | 4.0 ± .5 seconds | |||
Apron Lower (Maximum Height to Full Lowered) | 3.8 ± .5 seconds | |||
Ejector Travel (Full Foreword to Rear Position | 8.5 ± .5 seconds | |||
Ejector Travel (Full Rear to Foreword Position | 8.5 ± .5 seconds | |||
Bail Cylinder - Full Raise | 1.5 ± .5 seconds | |||
Bail Cylinder - Full Lower | 2.1 ± .5 seconds |
(1) | N = Normal, M = Monitor, A = Action |
Cylinder Drift Tests
Reference: Refer to Testing & Adjusting, UENR4608, "Hydraulic Cylinder Drift - Check" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
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Bowl Cylinders | Less than |
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Less than |
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Less than |
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Apron Cylinder | Less than |
(1) | N = Normal, M = Monitor, A = Action |
Steering Relief Valve Pressure
Reference: Refer to Testing & Adjusting, UENR4608, "Relief Valve (Steering Cylinder Crossover) - Test and Adjust" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
LH Turn Pressure | |
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RH Turn Pressure | |
(1) | N = Normal, M = Monitor, A = Action |
Steering Standby Pressure and Steering Pump High-Pressure Cutoff.
Reference: Refer to Testing & Adjusting, UENR4608, "Steering System Pressure - Test and Adjust" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Low-Pressure Standby Differential Pressure | |
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High Idle Steering Pump High-Pressure Cutoff | |
(1) | N = Normal, M = Monitor, A = Action |
Pump Control Valve
Reference: Refer to Testing & Adjusting, UENR4608, "Pump Control Valve (Cushion-Hitch) - Test and Adjust" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Main Relief Valve - Test | ||||
Pump Control Valve (Cushion Hitch) - Test(2) | |
(1) | N = Normal, M = Monitor, A = Action |
(2) | The cushion-hitch control switch must be in the OFF position, and the engine speed set at HIGH IDLE. |
Ejector Relief Valve
Reference: Refer to Testing & Adjusting, UENR4608, "Relief Valve (Scraper Bowl) - Test and Adjust" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Ejector Forward Relief(2) | |
(1) | N = Normal, M = Monitor, A = Action |
(2) | Engine set at HIGH IDLE |
Bowl Relief Valve
Reference: Refer to Testing & Adjusting, UENR4608, "Relief Valve (Scraper Bowl) - Test and Adjust" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Bowl Raise Relief(2) | |
(1) | N = Normal, M = Monitor, A = Action |
(2) | Engine set at HIGH IDLE |
Apron Relief Valve
Reference: Refer to Testing & Adjusting, UENR4608, "Relief Valve (Apron) - Test and Adjust" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Apron Raise Relief(2) | |
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Apron Lower Relief(3) | |
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Apron Rod End Line(3) | |
(1) | N = Normal, M = Monitor, A = Action |
(2) | At HIGH IDLE |
(3) | At LOW IDLE |
Pressure Reducing Valve
Reference: Refer to Testing & Adjusting, UENR4608, "Pressure Reducing Valve (Pilot, Implement) - Test and Adjust" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Bowl RAISE | |
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Bowl LOWER | |
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Ejector FORWARD | |
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Ejector REVERSE | |
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Apron RAISE | |
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Apron LOWER | |
(1) | N = Normal, M = Monitor, A = Action |
Relief Valve (Push-Pull)
Reference: Refer to Testing & Adjusting, UENR4608, "Relief Valve (Push-Pull) - Test and Adjust" for more detail on the following tests.
Status(1) | Description | Specification | Actual | Comments |
Bail Raise Relief(2) | |
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Bail Lower Relief(3) | |
(1) | N = Normal, M = Monitor, A = Action |
(2) | At HIGH IDLE |
(3) | At HIGH IDLE |
Hydraulic Fan and Brake System
Reference: Refer to Testing & Adjusting, UENR4608 for more details on the following tests.
Hydraulic Fan Speed
Reference: Refer to Testing & Adjusting, UENR4608, "Hydraulic Fan Speed - Test" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Minimum Fan Speed @ High Idle (LRC Machines) | 650 ± 50 RPM | |||
Maximum Fan Speed @ High Idle (LRC Machines) | 1750 RPM | |||
Minimum Fan Speed @ High Idle (HRC Machines) | 650 ± 50 RPM | |||
Maximum Fan Speed @ High Idle (HRC Machines) | 1410 RPM |
(1) | N = Normal, M = Monitor, A = Action |
Service Brake Pressure
Reference: Refer to Testing & Adjusting, UENR4608, "Service Brake System Pressure - Test" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Front brakes with brake pedal FULLY depressed | |
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Maximum front brake pressure within 5 seconds of releasing pedal | |
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Rear Wheels with brake pedal FULLY depressed | |
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Maximum rear brake pressure within 5 seconds of releasing pedal | |
(1) | N = Normal, M = Monitor, A = Action |
Brake Accumulator Charging Valve
Reference: Refer to Testing & Adjusting, UENR4608, "Brake Accumulator Charging Valve - Test" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Cut- in Pressure | |
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Cut-out Pressure | |
(1) | N = Normal, M = Monitor, A = Action |
Gear Pump (Brake Cooling) - Test
Reference: Refer to Testing & Adjusting, UENR4608, "Gear Pump (Brake Cooling) - Test" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Gear Pump (Brake Cooling) Pressure | Greater than |
(1) | N = Normal, M = Monitor, A = Action |
Parking Brake Pressure
Reference: Refer to Testing & Adjusting, UENR4608, "Parking Brake - Test and Adjust" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Engine off with parking brake switch ON | |
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Low idle with parking brake switch OFF | |
(1) | N = Normal, M = Monitor, A = Action |
Relief Valve Pressure
Reference: Refer to Testing & Adjusting, UENR4608, "Relief Valve (Main) - Test and Adjust (Power Train)" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Low Idle | |
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High Idle | |
(1) | N = Normal, M = Monitor, A = Action |
Transmission Lube Oil Test
Reference: Refer to Testing & Adjusting, UENR4608, "Transmission Lubrication Oil Pressure - Test" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Low Idle | |
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High Idle | |
(1) | N = Normal, M = Monitor, A = Action |
Transmission Clutch Pressure Test
Reference: Refer to Testing & Adjusting, UENR4608, "Transmission Clutch Pressure - Test" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Clutch 1 | |
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Clutch 2 | |
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Clutch 3 | |
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Clutch 4 | |
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Clutch 5 | |
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Clutch 6 | |
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Clutch 7 | |
(1) | N = Normal, M = Monitor, A = Action |
Torque Converter Inlet Oil Pressure
Reference: Refer to Testing & Adjusting, UENR4608, "Torque Converter Inlet Oil Pressure - Test" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Inlet Oil Pressure | |
(1) | N = Normal, M = Monitor, A = Action |
Torque Converter Outlet Pressure
Reference: Refer to Testing & Adjusting, UENR4608, "Torque Converter Outlet Relief Valve Pressure - Test and Adjust" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Outlet Relief Valve Pressure | |
(1) | N = Normal, M = Monitor, A = Action |
Transmission Oil Pump Pressure
Reference: Refer to Testing & Adjusting, UENR4608, "Transmission Oil Pump Pressure - Test (Rear Power Train)" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Low Idle | |
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High Idle | Greater than |
(1) | N = Normal, M = Monitor, A = Action |
Transmission Lube Oil Pressure
Reference: Refer to Testing & Adjusting, UENR4608, "Transmission Lubrication Oil Pressure - Test (Rear Power Train)" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Low Idle | |
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High Idle | |
(1) | N = Normal, M = Monitor, A = Action |
Torque Converter Outlet Pressure
Reference: Refer to Testing & Adjusting, UENR4608, "Torque Converter Outlet Relief Valve Pressure - Test and Adjust (Rear Power Train)" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments |
Port 3 | |
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Port 2 | |
(1) | N = Normal, M = Monitor, A = Action |
Synchronizing Valve Pressure
Reference: Refer to Testing & Adjusting, UENR4608, "Synchronizing Valve Pressure - Test and Adjust (Rear Power Train)" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments | ||
Test Port (3) | Test Port (4) | Test Port (5) | ||||
Low Idle | |
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High Idle | |
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High Idle (2) | |
(1) | N = Normal, M = Monitor, A = Action |
(2) | With solenoid (2) disconnected |
Speed Clutch Pressure (P1) and Directional Clutch Pressure (P2)
Reference: Refer to Testing & Adjusting, UENR4608, "Speed Clutch Pressure (P1) and Directional Clutch Pressure (P2) - Test and Adjust - Rear Power Train" for more detail on the following test.
Status(1) | Description | Specification | Actual | Comments | |
Speed Clutch (3) | Direction Clutch (4) | ||||
Low Idle | |
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High Idle | |
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(1) | N = Normal, M = Monitor, A = Action |
S.O.S.
Reference: Refer to Operation and Maintenance Manual, SEBU9132, "Maintenance Section" for more detail and port locations on the following S.O.S. service.
Status(1) | Description | Obtain | Comments |
Engine Oil Sample | Every 250 hours | ||
Hydraulic System Oil Sample | Every 250 hours | ||
Transmission Oil Sample | Every 250 hours | ||
Differential and Final Drive Oil Sample | Every 500 hours | ||
Cooling System Coolant Sample (Level I) | Every 500 hours | ||
Cooling System Coolant Sample (Level II) | Every 2000 hours |
(1) | N = Normal, M = Monitor, A = Action |