Section IV. UNIT MAINTENANCE PROCEDURES

TM 5-5420-279-23

Section IV. UNIT MAINTENANCE PROCEDURES

5-16 INTRODUCTION

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

procedures.

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

TM 5-5420-279-23P.

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

Appendix D for the launcher and Appendix J for the crane.

l. Safety inspection and testing of lifting devices should be carried out in accordance with

TB 43-0142.

WARNING

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.

NOTE

During inspections, pay particular attention to all welds, of highly stressed components

and all connectors and lugs.

5-17 MAINTENANCE PROCEDURES

TASK

PROCEDURE

PAGE

5 - 001

BRIDGE MODULE - END BEAM PIN LOCATING BRACKET

5-59

5 - 002

BRIDGE MODULE - CURB CLAMP ASSEMBLY

5-61

5 - 003

BRIDGE MODULE - BIRDS BEAK

5-63

5 - 004

BRIDGE MODULE - DOWEL

5-65

5 - 005

BRIDGE MODULE - DAMPER

5-67

5-55