3-CONTROLSANDINSTRUMENTS
Pattern:Atype
Left-handcontrollever:
1.Theboomlowers.
2.Theboomraises.
3.Theupperstructureswingstotheleft–handside.
4.Theupperstructureswingstotheright–handside.
NOTE:thespeedofmovementofthearmortheswing
dependsonthecontrollevertiltangle.Intheintermediate
positiontwomovementscanbeobtainedsimultaneously.
NOTE:whentheupperstructureswingcontrolisre-
leased,theupperstructuremaycontinuetorotatedueto
theforceofinertia.Inthisevent,makeallowanceforthe
extramovementbyreleasingthecontrolslightlyearlier.
SMIL16MEX3077AB7
SMIL16MEX0490AB8
SMIL16MEX3176AB9
3-8
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