TM 5-5420-278-100023 000023 00-6UNLOADING BAY TO GROUND (Contd)p. Turn HIGH IDLE switch (1) to ON position.q. Hold HOOK ARM switch (3) in UNLOAD position until hook arm cylinders (5)are extended approximately 6 in. (15 cm), then release switch (3).CAUTIONIf unloading ramp bay on concrete or asphalt surface,place a wood block under the tip of the inner pontonramp ends to prevent damage should ramp bay slideforward while unloading.r. Hold MAIN FRAME switch (4) in UNLOAD position until rear of bay (7)touches ground, then release switch (4) and immediately release parking brakeby pushing PARKING BRAKE control (6) in.s. Hold MAIN FRAME switch (4) in UNLOAD position and steer transporter asit rolls forward. Release switch (4) when front end of bay (7) is approximately 2 ft (0.6 m) above ground.t. Turn HIGH IDLE switch (1) to OFF.278910111234
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