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TB 600-1
2. Fuel fillers for filling diesel oil tanks are located on the forward top of deck, port and starboard sides.
3. It is not necessary to have all hull drain valves closed for safe water operation since each bilge pump is capable
of pumping 100 gallons of water per minute.
4. The controls used by the operator to maneuver the LARC are grouped in the cab.
5. During water operation, the speed of the LARC can be controlled either by the accelerator pedal or throttle levers
6. Gearshift control valve should be in neutral when the LARC is operating in water.
7. Low range should be used when entering and leaving water (shallow) and ascending and descending steep
8. The radiator fill caps are located In the port and starboard upper machinery area.
9. The radiator fans should always be running during land operation.
10. Two batteries for activating the electrical system of the LARC are used primarily for lighting and communication
11. The anchor, life ring, lines and boat hook are stored underneath the cargo deck
12. The hydraulic bilge pumps can all be operated from the cab.
13. For emergency starting, if air pressure is below 45 psi, air from the tires can be used to start the engines.
14. During marine operation it is not necessary to evenly distribute the cargo.
15. Draining condensate daily from air tanks is not required.
B. In the following multiple choice questions, only one answer is correct Check the correct answer.
16. Before starting the engines
a. Open main air supply valves above each air tank.
b. The LARC must be in a level position
c. Close airbrake shut-off valves at each aft miter box
17. If engine fails to start after several attempts.
a. Emergency engine shut-off lever pulled up
b. Low coolant level
c. Lack of hydraulic oil pressure
18. For shifting during marine operation
a. Engine speed should be at least 1800 rpm when shifting directly from forward to reverse or reverse to
b. For forward movement, marine gear control handle is pulled back toward operator
c. Do not shift directly from forward to reverse or reverse to forward until marine gear oil pressure drops off
and restores
19. After engines have been stopped
a. Isolate the air tanks by closing the main air supply valves above each air tank
b. Do not close air brake shutoff valve at each aft miter box
c. Deflate tires to 35 psi
20. When traveling in loose sand or soil
a. The front tires should be deflated to 60 psi and the rear to 50 psi
b. All tires should have at least 35 psi
c. The front tires should be deflated to 15 psi and the rear to 25 psi
21. When entering surf
a. The LARC should be headed directly into any surf, tide, currents, or wind
b. Wait for the wind to subside
c. Set steering for four wheel steer
22. When operating the LARC In rough water
a. Travel will be parallel to rollers
b. Travel will be at right angles into or with the rollers
c. Idle engine and put transmission in neutral
23. When landing over coral or sharp rocks-
a. Back the LARC out
b. Drive the LARC at high speed until completely clear of water, coral, and rock formations
c. Drive the LARC at low speed until completely clear of water, coral, and rock formations
24. The following oil is used in the cargo well pump
a. OE-10


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