Section II. SUGGESTED QUALIFYING QUESTIONS FOR M48A2 AVLB

TB 600-2

b. By bleeding the fuel lines.

c. By operating the purge pump simultaneously with the accelerator depressed 2/3 of displacement while

cranking the engine.

21. To make a pivot turn:

a. Place the transmission shift lever in low range position.

b. Place the transmission shift lever in reverse position.

c. Place the transmission shift lever in neutral position.

22. To steer the launcher while in forward motion:

a. A forward right turn is made by a counterclockwise turn of the steering control.

b. By a clockwise turn of steering control.

c. By applying the brake.

23. Launch the Bridge (check 2 correct answers):

a. The bridge is launched with the launcher in forward motion.

b. Launched with the shift lever in neutral position with brake depressed, until outrigger strikes the ground.

c. The bridge is attached to the launcher tongue by two (2) hydraulically operated pins.

d. The bridge may be launched and retrieved without exposure to crew members.

24. To acquire top performance of the hydraulic system during launching of the bridge:

a. The accelerator should be set to maintain engine speed at 1800 revolutions per minute.

b. The engine speed should be 900 revolutions per minute.

c. The hydraulic pump clutch lever should be in the DOWN position.

25. The record and report forms applicable to the launcher:

a. Shall be kept in engine compartment.

b. Shall be attached to the bridge.

c. Shall be kept in a canvas bag mounted on the launcher.

Section II. SUGGESTED QUALIFYING QUESTIONS FOR M48A2 AVLB

A. Answer these questions by "True" or "False".

1. The safety precautions are listed in section II of TM 5-5420-200-12.

2. The correct form for reporting errors, omissions, and recommendations for improving the technical manual on the

launcher is DA Form 2407 (Maintenance Request).

3. Daily preventive maintenance is to be performed as outlined in table 3-1 before, during, and after operation.

4. The M48A2 launcher is powered by a 12-cylinder continental liquid cooled diesel engine.

5. The operator launching and retrievi ng controls, except for the clutch lever, are located directly in front of the

driver's seat.

6. All panel instruments must be checked for normal operation prior to moving the launcher.

7. The hydraulic pump clutch is engaged during launching and retrieving of the bridge only.

8. The fuel fillies are located at the rear of the operator's and commander's hatches.

9. While starting the engine, the crew (operator and commander) should be at their assigned stations with the

hatches closed.

10. The M48A2 launcher is equipped with a bank of six control levers to control five hydraulic cylinder operations.

11. The bridge cannot be launched or recovered unless the launcher is perfectly level.

12. For normal driving on hard surface roads, shift directly into the high (H) position before moving.

13. All warning lights should be off immediately after starting the main engine.

14. The launcher is a modified M48A2 tank.

15. Track adjustment can be performed by the operator.

16. Six 12-V batteries are required to support the launcher 24-V electrical system.

17. If batteries are weak, start the auxiliary generator and engine before attempting to start the main engine.

B. In the following multiple choice questions, only one answer is correct. Check the correct answer.

18. Before starting the engine:

a. Switches to all electrical equipment should be in the OFF position.

b. The hatches must be closed.

c. The transmission shifting lever should be in the neutral (N) position.

D-2