| A. General |
| MHT7A001 |
Research vehicle service information, including vehicle service history, service precautions, and technical service bulletins. |
| MHT7A002 |
Use appropriate electronic service tool(s) and procedures to diagnose problems; check, record, and clear diagnostic codes; check and record trip/operational data; reset maintenance monitor (if applicable); interpret digital multimeter (DMM) readings. |
| B. Instruments and Controls |
| MHT7B001 |
Inspect mechanical key condition; check operation of ignition switch; check operation of indicator lights, warning lights and/or alarms; check instruments; record oil pressure and system voltage; check operation of electronic power take-off (PTO) and engine idle speed controls (if applicable). |
| MHT7B002 |
Check operation of all accessories. |
| MHT7B003 |
Understand operation of auxiliary power unit (APU)/electric power unit (EPU). |
| C. Safety Equipment |
| MHT7C001 |
Test operation of horns (electric and air); test warning device operation (reverse, air pressure, etc.); check condition of spare fuses, safety triangles, fire extinguisher, and all required decals; inspect seat belts and sleeper restraints; inspect condition of wiper blades, arms, and linkage; determine needed action. |
| D. Hardware |
| MHT7D001 |
Test operation of wipers and washer; inspect windshield glass for cracks or discoloration; check sun visor; check seat condition, operation, and mounting; check door glass and window operation; verify operation of door and cab locks; inspect steps and grab handles; inspect mirrors, mountings, brackets, and glass; determine needed action. |
| MHT7D002 |
Record all physical damage. |
| MHT7D003 |
Lubricate all cab grease fittings; inspect and lubricate door and hood hinges, latches, strikers, lock cylinders, safety latches, linkages, and cables. |
| MHT7D004 |
Inspect cab mountings, hinges, latches, linkages, and ride height; determine needed action. |
| MHT7D005 |
Inspect quarter fender, mud flaps, and brackets; determine needed action. |