MAINTENANCE ALLOCATION CHART (MAC) - CONTINUED
Table 3. Remarks for the D7F Tractor.
Inspect by checking lubricating oil level and checking for leaks.
Service by changing oil.
Valve mechanism adjustment consists of measuring clearance between rocker arm and valve turning
adjustment screw. Procedure also indicates how to locate Top Dead Center (TDC) compression
stroke for no. 1 piston.
Includes removal of suction bell.
Service by cleaning.
Includes priming fuel system.
Fuel injection pump timing checks can be performed with engine installed or removed.
Checking timing by timing pin method.
Setting idle speed.
Only on D7F after going through rebuild (SLEP) program.
Inspect by checking coolant level and by checking for leaks.
Battery service instructions are provided in TM 9-6140-200-14.
Adjustment consists of limited disassembly to add or remove shims.
Service consists of removing and cleaning suction screen.
Inspect by checking transmission oil level and checking for leaks.
Test consists of pressure tests and performance tests.
Service by cleaning screen.
Adjust final drive bearings.
Limited repair authorized (minor welding).
Ground handling task is required.
Check for damage and missing or loose bolts.
Check for excessive wear and missing or broken segments.
Includes removal of insulation panels.
Inspect by checking condition of wire rope, hook and safety latch and checking for leaks.
Service by changing winch oil.
Service by replacing filter element.
Accessible lines are replaced by Unit Maintenance; internal lines by Sustainment Maintenance.
Inspect by checking oil level and checking for leaks and excessive wear or damage to lines.
Limited repair authorized to replace seals, gaskets, wipers and rings.
Hose assemblies may be replaced by manufactured hoses with reusable couplings.
Service by changing hydraulic system oil.
Check cutting edge and end bits for excessive wear and damage (wear tolerance).
Check for missing or damaged teeth and shanks.
END OF WORK PACKAGE