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HEATING AND VENTILATION CONTROLS
SCRAPER CONTROLS - Continued

Scraper, Earth Moving, Motorized, Diesel Engine Driven Model 621B
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TM 5-3805-248-10
DESCRIPTION AND USE OF OPERATOR CONTROLS AND INDICATORS - CONTINUED
0004 00
SCRAPER CONTROLS
44
394-1613
KEY
CONTROL OR INDICATOR
FUNCTION
44
Bowl Control Lever
Five-position spring-loaded lever:
(a)  Quick Drop. Push lever fully RIGHT and hold to drop bowl
quickly. Release lever to stop bowl movement. Lever will return
to hold position.
(b) Lower. Push lever part way RIGHT and hold to lower bowl.
Release lever to stop bowl movement. Lever will return to hold
position.
(c)  Hold. Lever in center position holds bowl in current position.
(d) Raise. Pull lever LEFT and hold to raise bowl. Release lever to
stop bowl movement. Lever will return to hold position.
(e)  Apron Close Feature. This feature allows for one-hand control
of bowl and apron-close. Move lever toward instrument panel to
close apron. Release lever to stop apron movement. Lever will
return to hold position.
0004 00-13


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