TM 5-1940-277-20
TM 1940-20/2
END ITEM MAINTENANCE INSTRUCTIONS
Section I. REPAIR PARTS; SPECIAL TOOLS; TEST MEASUREMENT
AND DIAGNOSTIC EQUIPMENT (TMDE); AND SUPPORT EQUIPMENT
2-1. COMMON TOOLS AND EQUIPMENT. For authorized common tools and equipment refer to the
Modified Table of Organizational Equipment (MTOE) applicable to your unit.
2-2. SPECIAL TOOLS, TMDE AND SUPPORT EQUIPMENT No special tools, TMDE or support
equipment are required for use by unit maintenance personnel. Manufactured items are listed in
2-3. REPAIR PARTS. Repair parts are listed and illustrated in the Repair Parts and Special Tools
List, TM 5-1940-277-24P, covering unit maintenance of this equipment.
Section II. SERVICE UPON RECEIPT
A new Bridge Erection Boat will have been operationally checked prior to leaving the factory. Before
operation, drain the shipping/preservation oil from the engines and refill them according to LO 5-1940-
277-12/LI 1940-12. The batteries may have to be connected or installed in the boat in accordance with
instructions contained in the maintenance procedure portion of this manual. The normal before-operation
Preventive Maintenance Checks and Services (PMCS) should be performed prior to first operation. Higher
level maintenance assistance may be required if any deficiencies are found.
(Refer to TM 5-1940-277-10 for operator PMCS.)
Section III. PREVENTIVE MAINTENANCE CHECKS AND SERVICES (PMCS)
2-4. GENERAL. To ensure that the boat is ready for operation at all times, it must be inspected to
discover and correct defects before they result in serious damage or failure. The Preventive
Maintenance Checks and Services (PMCS) performed by unit maintenance personnel are listed
and described in this section. The item numbers indicate the order of checks and the services based
on a logical order of performance.
The interval gives the duration of calendar time between PMCS. Procedures are required weekly,
quarterly, and semiannually. Quarterly and semiannually are based on three and six calendar
months respectively.
The item to be inspected or serviced is self-explanatory while the procedure section gives or
references the procedure used to inspect or service the item.
The item number column is the source of item numbers for the "TM Number" column on DA Form
2404, Equipment Inspection and Maintenance Worksheet, when recording results of PMCS.