TM-9-2320-387-24-1
TRUCK, UTILITY: S250 SHELTER CARRIER, 4X4, M1113
TECHNICAL MANUAL; UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE, VOLUME 1
DECEMBER 1997
CHANGE 1
TM-9-2320-387-24-1 - Page 21 of 1205
TM9-2320-387-24-l
10.
On page 2-192, steps relating to
resolving the problem of excessive oil
loss are listed. Read the diagnostic flow
chart until you find OIL LEAKS OR
ENGINE PROBLEMS. The tests listed
are shown in the example page to the
right of this text.
IL In accordance with Test 1, you checked
the oil level and filter for leaks. The oil
level and filter appears normal and you
move on to Test 2.
12. In Test 2, you begin a methodic check of the engine lubricating system. You discover a leak in the oil
cooler assembly adjacent to one of the mounting brackets. One of the welds has cracked, allowing a
class III leak from a small area of the cooling fins. The oil cooler assembly must be repaired or replaced.
13.
At this point, the engine lubrication diagnostic flow chart would direct you to a specific detailed
procedure to solve the problem. However, the engine lubricating system is complex and you must now
refer to the table of contents to locate the proper task paragraph.
NOTE: Before attempting to repair or replace the oil cooler assembly, as a Unit mechanic, you must:
a. Determine the maintenance responsibility of repair or replacement of the component.
b.
If
the
task is at your echelon of maintenance responsibility, you must identify the tools needed and
the replacement parts required.
Refer to the Maintenance Allocation Chart - MAC (appendix B) to determine not only the maintenance
responsibility of the item, but also to obtain an estimate of the time required to perform the task, tools
needed, and any special notes/requirements necessary.
Refer to TM 9-2320-387-24P, Unit, Direct Support and General Support Maintenance Repair Parts and
Special Tools List for requisition data concerning replacement parts for this task.
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