Section IV. UNIT MAINTENANCE PROCEDURES
a. All components must be cleaned and inspected at regular intervals. If any cracks or damage
are noted, items must be repaired at the authorized level of maintenance.
b. Periodic inspection by an authorized inspector will be carried out at regular intervals. Visual
inspection of all bridge and launching components will be made following each bridge mission.
c. Refer to Unit Preventative Maintenance Checks and Services (Section 3) for inspection
d. Refer to Appendix C to determine the torque limits for all fixings unless the torque limits are
otherwise stated in the maintenance procedures.
e. To meet the equipment conditions stated in the maintenance procedures it might be necessary
to refer to the Operator's manual TM 5-5420-279-10.
f. It is good engineering practice to cover the open ends of hydraulic hoses and unions, when
they are disconnected, to prevent contamination of the hydraulic oil.
g. Before carrying out any work involving the disconnection of the electrical system ensure the
vehicle is switched off and battery shutoff switch in the off position.
h. When climbing on the DSB system three points of contact should be maintained at all times.
i. When changing out assemblies and parts the correct part must be identified from the RPSTL
j. Electrical fault finding is only to be carried out by qualified electricians, wiring diagrams are
provided at Annex G.
k. The location of hydraulic and electrical components used on the DSB are provided in
l. Safety inspection and testing of lifting devices should be carried out in accordance with
LOSS OF HEARING. PERSONNEL MUST WEAR HEARING PROTECTIVE DEVICES
WHEN OPERATING THE CRANE DURING LAUNCH AND RECOVERY
OPERATIONS OR WHEN WORKING WITHIN 10FT (3M) OF A DSB LAUNCH
VEHICLE AT HIGH ENGINE IDLE.
During inspections, pay particular attention to all welds, of highly stressed components
and all connectors and lugs.
5-17 MAINTENANCE PROCEDURES
BRIDGE MODULE - END BEAM PIN LOCATING BRACKET
BRIDGE MODULE - CURB CLAMP ASSEMBLY
BRIDGE MODULE - BIRDS BEAK
BRIDGE MODULE - DOWEL
BRIDGE MODULE - DAMPER