TM 10-4320-345-13
CHAPTER 4
UNIT MAINTENANCE INSTRUCTIONS
Section I.
Repair Parts and Special Tools List ................................ ................................ .
4-2
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................................ ................................ ........................
4-2
4-4.
Siting ................................ ................................ ................................ ...................
4-2
4-5.
Shelter Requirements................................ ................................ ..........................
4-2
4-6.
Checking Unpacked Equipment................................ ................................ ...........
4-3
Section III.
Unit Troubleshooting Procedures ................................ ................................ ....
4-4
4-7.
Introduction................................ ................................ ................................ ..........
4-4
4-8.
Troubleshooting................................ ................................ ................................ ...
4-4
4-9.
Malfunction Index ................................ ................................ ................................
4-4
Section IV.
Unit Maintenance Procedures................................ ................................ ...........
4-21
4-10
General. ................................ ................................ ................................ ..............
4-21
4-11.
Personal Safety................................ ................................ ................................ ...
4-21
4-12.
Proper Equipment................................ ................................ ................................
4-21
4-13.
Distribution Point Maintenance ................................ ................................ ............
4-21
4-14.
Elbow Valve Repair................................ ................................ .............................
4-22
4-15.
Gate Valve (2-inch) Repair ................................ ................................ ..................
4-24
4-16.
Distribution Nozzle (1 ½ -inch) Repair................................ ................................ ...
4-28
4-17.
Suction and Discharge Hose Repair................................ ................................ .....
4-33
4-18.
Water Meter Assembly Repair................................ ................................ .............
4-38
4-19
Nozzle Stand Repair................................ ................................ ............................
4-41
4-20
Storage Assembly Maintenance................................ ................................ ...........
4-44
4-21.
Gate Valve (4-inch) Repair ................................ ................................ ..................
4-44
4-22
Suspension Assembly Maintenance................................ ................................ .....
4-49
4-23.
Storage Chest Repair................................ ................................ ..........................
4-50
4-24.
Sling Assembly Repair................................ ................................ .........................
4-54
4-25.
Flaking Box Assembly Maintenance................................ ................................ ....
4-56
4-26.
Flaking Box Repair................................ ................................ ..............................
4-56
4-27.
Pressure Regulating Valve Repair................................ ................................ .......
4-58
4-28.
Suction Hose Repair................................ ................................ ............................
4-70
4-29.
Y-Connector Repair................................ ................................ .............................
4-70
4-30.
Pumping Station Repair................................ ................................ .......................
4-74
4-31.
Butterfly Valve Repair................................ ................................ ..........................
4-74
Section V.
Preparation for Storage or Shipment ................................ ...............................
4-78
4-32.
Security Procedures ................................ ................................ ............................
4-78
4-33.
Administrative Storage ................................ ................................ ........................
4-78
4-1
