3-CONTROLSANDINSTRUMENTS
Cposition:BHLcontrolpattern
Left-handcontrollever:
1.Theboomlowers.
2.Theboomraises.
3.Theupperstructureswingstotheleft.
4.Theupperstructureswingstotheright.
NOTE:Thespeedofmovementoftheboomortheswing
dependsonthecontrollevertiltangle.Intheintermediate
positiontwomovementscanbeobtainedsimultaneously.
NOTE:whentheupperstructureswingcontrolisre-
leased,theupperstructuremaycontinuetorotatedueto
theforceofinertia.Inthisevent,makeallowanceforthe
extramovementbyreleasingthecontrolslightlyearlier.
SMIL15CEXY854AA7
SMIL19CEX2691AA8
Right-handcontrollever:
5.Thearmextends.
6.Thearmretracts.
7.Thebucketretracts(lling).
8.Thebucketextends(dumping).
NOTE:Thespeedofmovementofthearmorthebucket
dependsonthecontrollevertiltangle.Intheintermediate
positiontwomovementscanbeobtainedsimultaneously.
SMIL15CEXY853AA9
SMIL19CEX2692AA10
3-9
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