CHAPTER 6. DIRECT SUPPORT MAINTENANCE PROCEDURES

TM 5-5420-279-23

Chapter 6

Section I. DIRECT SUPPORT MAINTENANCE PROCEDURES

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a. All components must be cleaned and inspected at regular intervals. If any cracks or damage

are noted, items must be repaired at the authorised level of maintenance.

b. Periodic inspection by an authorised inspector will be carried out at regular intervals. Visual

inspection of all bridge and launching components will be made following each bridge mission.

a. Refer to Unit Preventative Maintenance Checks and Services (Chapter 5 Section III) for

inspection procedures.

b. Refer to Appendix C to determine the torque limits for all fixings unless the torque limits are

otherwise stated in the maintenance procedures.

c. 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.

d. 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.

e. Before carrying out any work involving the disconnection of the electrical system ensure that

the vehicle is switched off and the battery shutoff switch is in the off position.

f. When climbing on the DSB system three points of contact should be maintained at all times.

g. When changing out assemblies and parts the correct part must be identified from the RPSTL

TM 5-5420-279-23P.

h. Electrical fault finding is only to be carried out by qualified electricians, wiring diagrams for the

launcher are provided at Appendix G. Wiring diagrams for the crane are provided at Appendix J.

i. Unit maintenance procedures can be found in Chapter 5 Section IV of this manual.

j. To disconnect the launch system from the vehicle see unit maintenance procedure 5-159.

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.

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