ARMY TM 5-5420-212-23
MARINE CORPS TM 08676A-23/2
2-9
LIFTING EQUIPMENT
The officer in charge of a maintenance operation must ensure that all lifting equipment (jacks, pullers, pallet shackles,
davits, lifting slings, extractor cable) are serviceable.
2-10 FREQUENCY OF PMCS
The frequency of Unit PMCS depends on the category of bridge as shown in Table 2-2.
TABLE 2-2 Unit Frequency of Preventive Maintenance Checks and Services.
FREQUENCY
USAGE CATEGORY
(BASED ON MLC 70)
PMCS
Bridge erected and in combat use. With-
Annually or after 500
Full Technical PMCS (Table 2-3)
draw from service.
full load crossings
whichever comes
sooner (see note)
Engineer training with frequent assembly,
Annually or after 500
Full Technical PMCS (Table 2-3)
trafficking and disassembly.
full load crossings
whichever comes
sooner (see note)
Reserve storage units not in use.
Annually
Unit Visual PMCS - Bridge Disassembled
Obvious signs of damage and deteriora-
tion.
Every 5 years
Full Technical PMCS (Table 2-3)
All holdings of MGB
Every 5 years
Full Technical PMCS (Table 2-3)
NOTE: As bridge sets approach the end of their fatique life these examinations may be required annually or after
every two hundred and fifty full load crossings, at the discretion of the bridge commander.
2-11 PREVENTIVE MAINTENANCE CHECKS AND SERVICES
a.
Preventive Maintenance Checks and Services. Refer to Table 2-3 for PMCS which shall be preformed at
specified intervals by Unit maintenance personnel. Following is the columnar headings, codes, and locations
designations used in the table.
(1)
Item Number Column. Item numbers are assigned consecutively to each check or service task
(2)
Interval Column. The interval columns are divided into two categories: annually or every five years.
The frequency of the Unit PMCS depends on the category of the bridge as shown in Table 2-2. The components must be
disassembled from bridge and be removed from pallets.
(3)
Items to be Inspected Column. This column lists the items/components which are to be
inspected/serviced.
(4)
The Procedure Column. Tells you how to do the required routine. Carefully follow these instructions.
Illustrations are included to assist in locating the part of the MGB requiring the check or service.
(5)
Not Fully Mission Capable, If Column. Entries in this column are keyed specifically to the procedure
column. A condition that causes the covered equipment to be less than fully ready to perform to assigned mission.
Change 2 2-9
