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SCRAPER CONTROLS
MISCELLANEOUS CONTROLS AND INDICATORS

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
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SCRAPER CONTROLS - CONTINUED
45
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394-1614
KEY
CONTROL OR INDICATOR
FUNCTION
45
Apron Control Lever
Four-position spring-loaded lever:
(a)  Float. Push lever fully RIGHT to allow apron to seek its own
level.
(b) Close. Push lever part way RIGHT to close (lower) apron.
Release lever to stop apron movement. Lever will return to hold
position.
(c)  Hold. Lever in center position holds apron in current position.
(d) Open. Pull lever LEFT and hold to open (raise) apron. Release
to stop apron movement. Lever will return to hold position.
46
Ejector Control Lever
Four-position spring-loaded lever:
(a)  Return Detent. Push lever fully RIGHT and release. Lever will
remain in detent until ejector is at rear of bowl. Lever will return
to hold position.
(b) Return. Push lever part way RIGHT to move ejector to rear.
Release lever to stop ejector movement. Lever will return to hold
position.
(c)  Hold. Level in center position holds ejector in current position.
(d) Forward. Pull lever LEFT and hold to move ejector forward.
Release to stop ejector movement. Lever will return to hold
position.
0004 00-14


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