TM-9-2320-280-34
TRUCK, UTILITY: M998 SERIES
TECHNICAL MANUAL; DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE
JANUARY 1996
TM-9-2320-280-34 - Page 16 of 1258
TM 9-2320-280-34
8.
On page 2-7, steps/tests relating to resolving
the problem of loss of coolant are listed:
Step 1
. Pressurize coolant system and check
for leaks at water pump and around
cylinder heads. If any leakage is
present, replace cylinder head
gaskets, cylinder heads (para. 3-4 or
3-5) or water pump (para. 5-4).
Step 2.
Check cylinder block for cracks.
Replace engine (para. 3-21) if cylinder
block is cracked.
In both steps you are referred to a detailed
procedure in another chapter. When actually
performing this task, you should refer to
these paragraphs and complete the task as
necessary.
9.
In step 1, you check for leaks at the water
pump and around the cylinder heads. There
is no leakage present around the cylinder
heads. You note leakage at the water pump.
The water pump must be replaced or
repaired.
10.
In step 2, you check cylinder block for cracks.
You do not find any cracks.
11.
At this point, you refer to para. 5-4, a detailed
procedure containing step-by-step
instructions for accomplishing a maintenance
task. However, some malfunction tests or
inspections refer you to an entire system (for
example: cooling system). For these tasks you
must use the table of contents to locate the
system and task you need to solve the
problem.
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