GENERAL MAINTENANCE
IMPROVED RIBBON BRIDGE (IRB)
RAMP BAY M16
NSN 5420-01-470-5825 P/N 12478918;
INTERIOR BAY M17
NSN 5420-01-470-5824 P/N 12478919.
GENERAL MAINTENANCE PROCEDURES
GENERAL MAINTENANCE PROCEDURES
General maintenance instructions for cleaning, inspection, repair, assembly, and disassembly are
provided in this work package. Publications which provide additional information on general shop practice
techniques, preservation, welding, sheet metal work, etc. are listed in References, WP 0084 00.
CLEANING
a. General Instructions. Cleaning procedures will be the same for the majority of parts and
components which make up the IRB subassemblies. General cleaning procedures are detailed in steps b
through l.
b. The Importance of Cleaning. Great care and effort are required in all cleaning operations. The
presence of dirt and foreign material is a constant threat to satisfactory equipment operation and
maintenance. The following instructions will apply to all cleaning operations:
WARNING
Improper cleaning methods and use of unauthorized cleaning
solvents may result in injury to personnel.
CAUTION
Keep all related parts and components together. Do not mix parts.
Failure to comply may result in damage to parts.
(1) Clean all parts before inspection, after repair, and before assembly.
(2) Hands must be kept free of any accumulation of grease which can collect dust and grit.
(3) After cleaning, all parts must be covered or wrapped in plastic or paper to protect them from
dust and/or dirt.
c.
Disassembled Parts Cleaning.
(1) Place all disassembled parts in wire baskets for cleaning.
(2) Clean, dry, and cover all parts.
(3) All parts subject to rusting must be lightly oiled and wrapped.
(4) Place cleaned parts on racks to hold for inspection or repair.
WARNING
Skysol-100 mixture is combustible. Use mechanical ventilation whenever
product is used in a confined space, is heated above ambient
temperatures, or is agitated. DO NOT use or store near heat, sparks,
flame, or other ignition sources. Keep container sealed when not in use.
TM 5-5420-278-24&P
0073 00
0073 00-1
