GENERAL MAINTENANCE PROCEDURES (Contd)
a. The work area for disassembly of any item must be kept as clean as possible. This will prevent
b. Before disassembling any item, study the illustration carefully, noting the relationship of internal
parts. Knowing the details of construction will speed up disassembly and help avoid mistakes. If in
doubt, tag all parts.
c. All gaskets, O-rings, and seals removed during repair will be discarded and replaced with new parts.
These items are usually damaged during removal. Lockwire, lockwashers, locknuts, cotter pins, and
like items should be discarded during disassembly.
d. When removing gaskets, O-rings, or seals, do not use any metal tool that will scratch the sealing
surface next to these items.
a. Cleanliness is essential in all assembly operations. Dirt and dust, even in small quantities, are
abrasive. Parts must be cleaned as specified and kept clean. Wrap or cover parts and components
when assembly procedures are not completed immediately.
b. Lubricate all metal parts with lubricant or fluid used during operation. Refer to WP 0016 00 for
c. Installation of cotter pins and lockwires shall be accomplished as specified in assembly procedures.
d. Critical torque values are specified in the assembly procedure. When not specified, tighten bolts,
screws, and nuts in accordance with standard dry torque values. Refer to WP 0118 00.
e. All fuel, air, and hydraulic components must be kept thoroughly clean at all times. Plug all open
ports until the component is installed.
All pressing operations should be accomplished using a suitable press and adapters, unless otherwise
END OF WORK PACKAGE
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