CHAPTER 4 MAINTENANCE INSTRUCTIONS
Section I. General
Additional operation, maintenance and parts information may be found in the following technical
manuals which cover the 150,000 Gallon Per Hour (GPD) Reverse Osmosis Water Purification Unit
TM 10-4610-229-10, Operator's Manual for 150,000 GPD ROWPU
TM 10-4610-229-24, Unit, Direct and General Support Maintenance Manual for
150,000 GPD ROWPU
TM 10-4610-229-24P, Repair Parts and Special Tools List for 150,000 GPD ROWPU
Unit level and Intermediate Direct Support and Intermediate General Support (IDS/IGS) maintenance on the
ROWPU system is performed by barge crewmembers whenever possible.
Any IDS/IGS maintenance beyond capability of crewmembers is provided by a shore-based area support
maintenance unit. This unit also determines if depot support maintenance is required.
Intermediate support maintenance is accomplished by replacement of components or major end items.
4-1.4 Unless other intermediate support procedures are directed, IDS/IGS maintenance is provided by an Army
Transportation Corps floating craft intermediate support maintenance unit serving terminal operating area. Components
to be disposed of are processed by this unit.
Maintenance Allocation Chart (MAC) is in Appendix C of TM 55-1930-209-14 & P-18. Consult appropriate
manual for maintenance of other equipment onboard.
Maintenance instructions. Maintenance instructions are presented as follows: Section II, Preventive
maintenance; Section III, Troubleshooting; and Section IV, Maintenance procedures.
Section II. Preventive maintenance checks and services
See TM 55-1930-209-14&P-3, Appendix B for Preventive Maintenance Checks and Services for the POWPU
System. See TM 55-1930-209-14&P-1 9 for complete Preventive Maintenance Checks and Services for all ROWPU
Section III. Troubleshooting
ROWPU system. Troubleshoot ROWPU system according to Table 4-1.
Trouble evaluation. Trouble should always be evaluated to determine if repair involving equipment shutdown
should be made immediately. In many cases it may be wiser to wait until the next scheduled maintenance period before
repairing. For a guide to trouble evaluation, refer to Table 4-2.
Section IV. Maintenance procedures
Maintenance for this system consists of servicing and repairing or replacing items listed in Appendix G of
TM 55-1930-209-14 & P-18. No special tools are required. When performing maintenance, observe appropriate safety
precautions and adhere to the following general shop practices: