8 Before Parking Operation brake (Contd) a. Engage parking brake lever (6) and place transmission select lever (4) in DRIVE. Slowly raise engine RPM to 2,000. If vehicle moves, stop engine and proceed to step b. b. Adjust parking brake, as required, b. Vehicle continues by turning knob (5) on top of parking to move with park- brake lever (6) clockwise to increase ing brake (6) applied braking action; counterclockwise after adjustment. to decrease braking action. 9 Airbrake Check operation of airbrake (trailer) kit, if kit installed, and mission requires pulling load. a. Apply airbrakes on trailer and slowly a. Trailer can be pull trailer (para. 2-42). moved after brakes are applied. b. Check operation of trailer stoplights. 10 Deepwater Ensure battery caps are tight and master fording kit cylinder reservoir filler caps have been sealed, if kit is installed (para. 2-46). 11 During Transfer Check shifting operations for unusual Transfer case is Operation case noises, stiffness, or jumping out of gear. inoperative, noisy, stiff, or jumps out of gear. 12 Front and Listen for unusual noises or vibrations. Excessively worn rear drive Vibrations, clicking, or clunking noise U-joints or damaged axles and indicates worn U-joints or damaged propeller shafts. propeller propeller shafts. If leakage is observed, shafts notify unit maintenance to check free play. Table 2-2. Operator/Crew Preventive Maintenance Checks and Services (Contd). ITEM NO. INTERVAL ITEM TO CHECK/ SERVICE PROCEDURE NOT FULLY MISSION CAPABLE IF: TM 9-2320-386-10 Change 1 2-25 CAUTION Do not exceed thirty seconds when performing entire step a, and do not exceed five seconds at 2,000 rpm. Doing so may cause damage to trans- mission. 6 7 5 4