Section III. GENERAL MAINTENANCE
(3) Protect disassembled parts from dust,
blowing sand, and moisture which can cause rapid wear
This section contains general maintenance
instructions which are the responsibility of direct support
and general support maintenance personnel. These
instructions pertain to several components or assemblies
and otherwise would need to be repeated several times
(1) In disassembly, remove only as many parts or
throughout the chapters. Special information on general
components as required for indicated repair. Complete
repair practices, parts replacements, welding, riveting,
disassembly of a component is not always required to
and tools are also included.
make repairs. Good judgement should be used to keep
Ensure that all safety precautions listed in the
disassembly operations to a minimum.
Warning Summary are followed while performing
(2) During disassembly, tag critical parts to
maintenance. Pay close attention to all WARNINGS and
ensure proper reassembly. Mark mating parts by scribe
marks or indelible ink to be certain of correct positioning
General Maintenance Procedures
(3) Unserviceable or unrepairable assemblies
will be broken down into items of issue, and serviceable
(1) Make sure the work area is clean before you
parts will be returned to stock. Parts or assemblies which
disassemble the pump or engine.
cannot be repaired, selective-fitted, or reclaimed to
standards contained in this manual, will be salvaged and
(2) Make sure that materials needed for the
replaced with new parts.
maintenance task are at hand. These may include cleaning
solvents, lubricants, buckets, or other containers for
(4) If a required new part is not available,
cleaning or keeping components separated, clean wiping
reconditioning of the old part is necessary. Such parts
cloths, and the proper tools.
should be inspected carefully after reconditioning to
determine their suitability and probable service life.
Cleaning of Components, Assemblies or Parts.
Replacement parts should be requisitioned immediately.
(1) Clean the exterior of the component or
(5) Replace seals and gaskets of all components
assembly before disassembly to keep foreign matter from
are subject to scoring and other such damage.
(6) Replace springs if broken, distorted, or
cracked, or if they do not conform to specific tensile
(7) Replace screws or nuts with damaged threads
Compressed air used for drying or cleaning
purposes must not exceed 30 psi (207 kPa).
Wear protective clothing (goggles and
(8) Replace keys if damaged.
gloves) and use caution to avoid Injury to per-
(9) During assembly, subassemblies should be
assembled first. The subassemblies can then be combined
(2) If compressed air is used to clean parts, you
into major components and installed to make a complete