CRANE SPECIFICATIONS
BOOM
WIRE ROPE
- Warrington seal wire, extra improved plow steel,
Four section full power synchronized telescoping boom,
preformed, independent wire rope core, right regular lay.
35.1'~113.9' (10.7m~34.7m), of round box construction
3/4" (19 mm) 6x31 class
with four sheaves, 17-5/16" (0.44m) root diameter, at boom head.
The synchronization system consists of telescope cylinder,
HOOK BLOCKS
two extension cables and retraction cables. Hydraulic cylinder fitted
55 ton (50 metric ton)-5 sheaves with swivel hook block and safety latch.
with holding valve. Two easily removable wire rope guards,
6.2 ton (5.6 metric ton) - Weighted hook ball with swivel and safety latch.
rope dead end provided on both sides of boom head. Boom telescope
sections are supported by wear pads both vertically and horizontally.
Extension speed 78.8' in 72 seconds.
HYDRAULIC SYSTEM
BOOM ELEVATION
- By a double acting hydraulic cylinder with
PUMPS
- Two variable piston pumps for crane functions.
holding valve. Elevation -0.8
o
~81
o
, combination controls for hand
Tandem gear pump for steering, swing and optional equipment.
or foot operation. Boom angle indicator.
Powered by carrier engine. Pump disconnect for crane is
Automatic speed reduction and soft stop function.
engaged/ disengaged by rotary switch from operator's cab.
Boom raising speed 20
o
to 60
o
in 27 sec.
CONTROL VALVES
- Multiple valves actuated by pilot pressure
JIB
- Two stage bi-fold lattice type with 5
o
, 25
o
or 45
o
offset (tilt type).
with integral pressure relief valves.
Single sheave, 15-5/8" (0.396m) root diameter, at the head of both
jib sections. Stored alongside base boom section. Jib length is
RESERVOIR
- 148 gallon (560 lit.) capacity. External sight level
28.9' (8.8m) or 50' (15.2m). Assistant cylinders for mounting
gauge.
and stowing, controlled at right side of superstructure.
Self stowing jib mounting pins.
FILTRATION
- BETA10=10 return filter, full flow with bypass
protection, located inside of hydraulic reservoir. Accessible for
AUXILIARY LIFTING SHEAVE
(SINGLE TOP)
easy replacement.
Single sheave, 15-5/8" (0.396m) root diameter. Mounted to main
boom head for single line work (stowable).
OIL COOLER
- Air cooled fan type.
ANTI-TWO BLOCK
- Pendant type over-winding cut out device
with audio-visual (FAILURE lamp/BUZZER) warning system.
CAB AND CONTROLS
SWING
Both crane and drive operations can be performed from one cab
Hydraulic axial piston motor through planetary swing speed
mounted on rotating superstructure.
reducer. Continuous 360
o
full circle swing on ball bearing turn
table at 2.7min
-1
{rpm}. Equipped with manually locked/released
Left side, 1 man type, steel construction with sliding door access
swing brake. A 360
o
positive swing lock for pick and carry and travel
and safety glass windows opening at side. Door window is
modes, manually engaged in cab. Twin swing system: Free swing
powered control. Windshield glass window and roof glass window
or lock swing controlled by selector switch on front console.
are shatter-resistant. Tilt-telescoping steering wheel. Adjustable
control lever stands for swing, boom elevating, boom telescoping,
HOIST
auxiliary hoist and main hoist. Control lever stands can change
neutral positions and tilt for easy access to cab. 3 way adjustable
MAIN HOIST
- Variable speed type with grooved drum driven by
operator's seat with high back, headrest and armrest. Engine
hydraulic axial piston motor through speed reducer. Power load
throttle knob. Foot operated controls: boom elevating,
lowering and raising. Equipped with automatic brake (neutral brake)
boom telescoping, service brake and engine throttle.
and counterbalance valve. Controlled independently of auxiliary hoist.
Hot water cab heater and air conditioning.
Equipped with cable follower and drum rotation indicator.
Dash-mounted engine start/stop, monitor lamps, cigarette lighter,
DRUM
- Grooved 15-3/4" (0.40m) root diameter x 23-9/16" (0.599m)
drive selector switch, parking brake switch, steering mode
wide. Wire rope: 633' of 3/4" diameter rope (193m of 19mm).
select switch, power window switch, pump engaged/disengaged
Drum capacity: 1,074' (327.5m) 7 layers. Maximum single line pull:
switch, swing brake switch, telescoping/auxiliary hoist select
1st layer 15,200 lbs (6,880kg). Maximum permissible line pull
switch, outrigger controls, free swing / lock swing selector switch,
wire strength: 15,600 lbs (7,085kg).
eco mode switch and ashtray.
AUXILIARY HOIST
- Variable speed type with grooved drum driven
by hydraulic axial piston motor through speed reducer. Power load
Instruments - Torque converter oil temperature, engine water
lowering and raising. Equipped with automatic brake (neutral brake)
temperature, air pressure, fuel, speedometer, tachometer,
and counterbalance valve. Controlled independently of main hoist.
hour meter and odometer / tripmeter. Hydraulic oil pressure is
Equipped with cable follower and drum rotation indicator.
monitored and displayed on the AML-C display panel.
DRUM
- Grooved 15-3/4" (0.40m) root diameter x 23-9/16" (0.559m)
wide. Wire rope: 361' of 3/4" diameter rope (110m of 19mm).
Drum capacity: 1,074' (327.5m) 7 layers. Maximum single line pull:
1st layer 15,200 lbs (6,880kg). Maximum permissible line pull
wire strength: 15,600 lbs (7,085kg).
2
Содержание GR-550XL
Страница 5: ...GR 550XL WORKING RANGE CHART 5...
