Model
Range of
Upper Boom Working Range
Motion
Upper Boom Retract
Tower Boom Working Range
Upper boom lowering
Turntable swing (a round)
Upper boom extending
Functional
Upper boom retracting
speed
Platform rotation (left an right)
Tower boom lowering
Hydraulic
7-2
Table 7-1 (Continue)
ZA14J
Platform Rotation
Jib Working Range
Turntable Swing
Upper boom lifting
Jib lifting
Jib lowering
Tower boom lifting
System pressure
Parameters
±90°
-69°~76°
-10°~75°
1.5 m
4 ft 11in
-2°~66°
355°non-continuous
24 s~30 s
24 s ~30 s
60 s ~70 s
10 s ~15 s
10 s ~15 s
10 s ~15 s
25 s ~28 s
24 s ~28 s
27 s ~33 s
24 s ~30 s
21Mpa