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TM 10-4930-241-13
CHAPTER 4
UNIT MAINTENANCE INSTRUCTIONS
Paragraph
Title
Page
Section I
Repair Parts, Special Tools, Test, Measurement, and Diagnostic
4-2
Equipment (TMDE), and Support Equipment ..................................................................
4-1
Common Tools and Equipment ...........................................................................................
4-2
4-2
Special Tools, TMDE and Support Equipment .....................................................................
4-2
4-3
Repair Parts ........................................................................................................................
4-2
Section II
Service Upon Receipt .......................................................................................................
4-3
4-4
Siting ..................................................................................................................................
4-3
4-5
Shelter Requirements .........................................................................................................
4-3
4-6
Checking Unpacked Equipment ..........................................................................................
4-3
Section III
Unit Preventive Maintenance Checks and Services (PMCS) ..........................................
4-4
4-7
General................................................................................................................................
4-4
4-8
PMCS Procedures ..............................................................................................................
4-4
4-9
PMCS Table .......................................................................................................................
4-5
Section IV
Unit Troubleshooting Procedures ...................................................................................
4-5
4-10
Introduction .........................................................................................................................
4-5
Section V
Unit Maintenance Procedures ..........................................................................................
4-6
4-11
General................................................................................................................................
4-7
4-12
Arctic Fuel and Oil Servicing Nozzle Repair ........................................................................
4-6
4-13
Discharge and Suction Hose Repair (Typical) .....................................................................
4-9
4-14
Reducer Assembly (1.5-in M x 2-in F) Repair .......................................................................
4-14
4-15
Reducer Assembly (2-in M x 4-in F) Repair .........................................................................
4-16
4-16
Manifold (4-Inch/One Valve) Repair .....................................................................................
4-17
4-17
Gate Valve (4-Inch) Repair (Typical) ...................................................................................
4-21
4-18
Coupler Assembly Repair ....................................................................................................
4-24
4-19
Discharge Hose Assembly (4-in x 50-ft) Repair ...................................................................
4-30
4-20
Discharge Hose Assembly (3-in x 25-ft) Repair ...................................................................
4-30
4-21
Reducer (3-in M x 4-in F) Repair .........................................................................................
4-30
4-22
Ball Valve Assembly (4-Inch) Repair ...................................................................................
4-30
4-23
Manifold (4-Inch /Five Valves) Repair .................................................................................
4-35
4-24
Elbow (4-in M x 4-in F) Repair .............................................................................................
4-35
4-25
Reducer (4-in M x 3-in F) Repair .........................................................................................
4-37
4-26
Reducer (6-in M x 4-in F) Repair .........................................................................................
4-38
4-27
Suction Hose Assembly (6-in x 10-ft) Repair ........................................................................
4-38
4-28
Manifold (4-Inch) (Three Valves) Repair ..............................................................................
4-38
4-29
Gate Valve (4-Inch) Repair .................................................................................................
4-38
4-30
Manifold (4-Inch) (Two Valves) Repair ................................................................................
4-38
4-31
Gate Valve (4-Inch) Repair .................................................................................................
4-38
4-32
Manifold (6-Inch) (Two Valves) Repair .................................................................................
4-38
4-33
Gate Valve (6-inch) Repair ..................................................................................................
4-38
4-1
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