Remove knob by counter-clockwise rotation, simultaneously, pull away from body.

逆时针方向旋转拆卸旋钮，同时将其拉出阀体。

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While holding the release button depressed, pull the knob and shaft out of the headlamp switch.

保持钮的按住状态，将按钮和轴拉出开关。

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Model UHH-1 is compliant for use inside of the crew cab. Place the helmet hook on the red knob and pull the strap up to lock the helmet in place.

UHH-1型头盔支架适合在双排座驾驶室内使用，将头盔挂钩置于红色把手上，拉动绷带使头盔固定。

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