Tadano GR-300EX-3, Руководство по обслуживанию

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Y-1 Y-1
Service Data
2
WY01-3050E
3. Hydraulic device
3.1 Hydraulic pump
Item Standard value Remarks
Crane pump
Speed reducing ratio 0.918
Idling (min
-1
) 763 ± 54 Eng. 700 ± 50
Max. (min
-1
) 2070
+54
0
Eng. 1900
+50
0
(PTO - ON)
Displacement (cm
3
/rev) 70 + 63
Steering pump
Speed reducing ratio 1.066
Idling (min
-1
) 657 ± 47 Eng. 700 ± 50
Max. (min
-1
) 2500 ± 47 Eng. 2665 ± 50
Displacement (cm
3
/rev) 42.7 + 34
Charging pump
(Torque converter)
Speed reducing ratio 1.066
Idling (min
-1
) 657 ± 47 Eng.700 ± 50
Max. (min
-1
) 2500 ± 47 Eng. 2665 ± 50
Displacement (cm
3
/rev) 33.2
Emergency steering
pump
Displacement (cm
3
/rev) 14.56
3.2 Hydraulic motor
(1 L/min = 2.64172 × 10
-1
gal/min)
Item Standard value Remarks
Winch
(main, auxiliary)
Displacement (cm
3
/rev) 81.2 - 110.1
Variable speed type with automatic brake
Drain (when running) 2.2L/min
For reference: Standard value at 1st speed
start (29.4Mpa (300kgf/cm
2
) (4263 psi))
Slewing
Displacement (cm
3
/rev) 45.3
Drain (when running) 7 L/min at maximum For reference