| Crane
Capacity |
| Maximum
Lift Capacity |
6,680
lbs at 7.5 ft. with 4-parting loadline
|
| Working
Radius |
Minimum
1.7 ft. to Maximum 39.7 ft.
|
| Hook Height
Above Crane Installation Base Level |
Maximum
41.0 ft (Approx.)
|
|
|
| Boom
Length |
Five-section
box beam type telescoping boom with boom angle indicator
|
All
booms retracted
|
11.6
ft
|
Second
stage extended
|
19.0
ft
|
Third
stage extended
|
26.2
ft
|
Fourth
stage extended
|
33.3
ft
|
Fifth
stage extended |
40.4 ft |
| Boom Telescoping
Cylinder |
Double
acting type with counterbalance valve
|
| Boom Extending
Speed |
28.8
ft/16seconds
|
| Boom Raising
Cylinder |
Double
acting type with counterbalance valve
|
| Boom Raising
Speed |
1" to
81" / 7 seconds
|
|
|
| Winch
Design |
Hydraulic
motor driven, spur gear reduction,with automatic mechanical
brake
|
| Single
Line Pull |
1670
lbs
|
| Hoisting
Speed |
|
Single
Line Speed
|
223
lbs / min at 3rd layer
|
Hook
Speed
|
56lbs
/ min at 3rd layer with 4-part line
|
| Hook Block |
6614
lb capacity, 2 sheaves with safety latch
|
| Hydraulic
Motor |
Axial
plunger type
|
| Wire Rope |
|
Construction
(JIS)
|
IWRC
6 x Fi(29) Galvanized Grade B
|
Diameter
x Length
|
5/16
in. x 203 ft.
|
Breaking
Strength
|
9,740
lbs
|
|
|
| Slewing |
Hydraulic
Motor driven, worm gear reduction, worm self-locking brake
|
| Slewing
Range |
360° continuous
rotation on ball bearing race
|
| Hydraulic
Motor |
Trochoid
type with automatic lock mechanism
|
| Slewing
Speed |
2.5
rpm
|
| |
|
| Safety
Devices |
|
| |
1.
Pressure relief valve for hydraulic circuit
2. Counterbalance valves for boom raising and boom telescoping cylinders
3.Boom angle indicator with load indicator
4. Automatic mechanical brake for winch
5. Load meter
6. Overwinding alarm
7. Hook safety latch
|
| |
| Rust
Prevention |
|
| Inner
and outer surfaces of structural parts |
Zinc coating
(excepting cylnders) |
| Raising
Cylinder Rod |
Hard chromium
coating with double layers |
| Gear Cases
for Slewing |
Zinc coating |
| Raising
Cylinder Pipe |
Stainless
Steel |
| Couplings |
Stainless
steel |
| Wire Rope |
Coated
type |
| Miscellaneous
Parts |
GEOMET
finish and other coatings |
| Painting |
Special
rust prevention paint |
| |
| Control
Valves |
4-valve
interlocking type (with stainless steel lever)
|
| |
Mount
the valve and lay piping by matching the actual valve dimensions. |
| |
Take the
hydraulic power source (pump, tank) out of the ship. (Prepare
necessary pipes as they are not included in the valve) |
| |
| Hydraulic
System |
|
| Engine |
Engine
with accelerator |
| Hydraulic
Pump |
|
| Rated
Pressure |
2,990
psi |
| Rated
Delivery |
15.9 gal./min. |
| Hydraulic
Valves |
|
| Control
Valve |
Multiple
control valve, spring centered, spool-type, with pressure
relief valve |
| Pressure
Relief valve setting |
2,990
psi |
| Counterbalance
valve |
Boom raising
and boom telescoping cylinders |
| Hydraulic
Actuators |
|
| Hydraulic
motors |
Hoisting:
Axial plunger type |
| |
Slewing:
Axial plunger type |
| Hydraulic
cylinders |
Double
acting type |
| |
1 x Boom
raising cylinder |
| |
2 x Boom
telescoping cylinder |
| |
Note: When
an electric motor drive system which regulates pump delivery
constant is emplyed, set the rated delivery at a level
less than 10.6 gal./min.
Note: The
figures in relation to the speed are on the basis of
no-load running at rated oil flow condition.
|
| |
| Range
Diagram |
|
|
| |
| Load
Chart |
|
|
| |
|
