e. Emergency Stop (E-Stop) switches are fitted in the circuit which, when activated, will shut
down the electrical power to the launcher, halting operations.
A Chest Pack remote control can be plugged into the electrical system.
g. For a detailed overview of the electrical system see Chapter 3 Electrical Trouble shooting.
TROUBLE SHOOTING FLOW CHARTS
a. The trouble shooting flow charts are designed to assist the Unit Maintenance personnel in
systematically diagnosing a fault and providing a solution for the rectification of that fault.
b. The title of the trouble shooting flow chart is constructed with the TSUM number, subject title
and reference number (where applicable) to a step in the build sequence of a 40m bridge in
Chapter 6 of the operator's manual TM 5-5420-279-10. For example (TSUM - 3-001 A-Frame
Fold (Deploy) (13)).
c. All trouble shooting flow charts start at the top of a page. The boxes used in the flow charts
depict the following information.
A circle, rounded rectangle or square shows the start or end of a flow chart sequence.
A square or rectangle displays information intended as an instruction or statement.
A diamond box displays a question or requires the reader to make a decision.
TSO stands for Trouble Shooting Operator, these can be found in the operator's manual
TSUM stands for Trouble Shooting Unit Maintenance.