TM-5-2330-378-14-P
SEMITRAILER, LOWBED: 40 TON CONSTRUCTION EQUIPMENT TRANSPORTER M870 AND M870A1
TECHNICAL MANUAL; OPERATOR'S, UNIT, DIRECT SUPPORT AND GENERAL SUPPORT MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST)
JUNE 1999
TM-5-2330-378-14-P - Page 97 of 524
TM5-2330-378-14&P
SectionIV.UNITTROUBLESHOOTING
Paragraph
Page
Number
ParagraphTitle
Number
4-13
General
.......................................................................................................................................
4-9
4-14
Electrical Troubleshooting
...........................................................................................................
4-9
4-15
Quick Guide to Troubleshooting
..................................................................................................
4-11
4-16
Troubleshooting
Chart .
................................................................................................................
4-12
4-13.
GENERAL
a.
Thissection
provides information for identifying andcorrecting
malfunctions that may develop while operating
or maintaining
the M870/M870A1
semitrailer.
b.
The Quick Guide to Troubleshooting
(para 4-15) lists common malfunctions
of the semitrailer or its
components
and refers you to the appropriate subparagraph
in the Troubleshooting
Chart (para 4-16). You
should perform tests/inspections
and corrective actions in the order listed in the chart.
c.
It you are unsure of the location of an item mentioned in troubleshooting,
refer to paragraph
1-13 or to the
maintenance
task where the item is replaced.
d.
Before performing troubleshooting,
readand followall safety instructions listed in thewarning
summaryatthe
beginning of this manual.
e.
This section cannot list all malfunctions
that may occur, norall tests or inspections
and corrective actions. If
a malfunction
is not listed or is not corrected by the corrective action listed, notify your supervisor.
f.
When troubleshooting
a malfunction:
Locate the symptom or symptoms in the Quick Guide to Troubleshooting that best describe the
malfunction.
Turn to the subparagraph
in the Troubleshooting
Chart where the troubleshooting
procedures
for the
malfunction
in question are described.
Perform each step in the order listed until the malfunction is corrected.
DO NOT perform any
maintenance
task unless the troubleshooting
procedure tells you to do so.
4-14.
ELECTRICAL TROUBLESHOOTING.
a.
This paragraph provides instructions
intended to give clear insight into general troubleshooting
procedures
for wiring harnesses and electrical components.
Schematic diagrams can be found in Appendix K.
b.
When troubleshooting
any electrical system or component, exercise extreme care in order to prevent electrical
shock.
4-9
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