Tires, Drive system, Swing system – JLG 800A_AJ ANSI Service Manual User Manual
Page 23: Hydraulic drive pump, Variable displacement pump, Hydraulic load sense pump, Auxiliary power pump, Tire specifications -3, Drive system specifications -3, Swing system specifications -3
SECTION 1 - SPECIFICATIONS
3120740
– JLG Lift –
1-3
Tires
Drive System
Swing System
Hydraulic Drive Pump
Variable Displacement Pump
Hydraulic Load Sense Pump
Auxiliary Power Pump
Table 1-9. Tire Specifications
Size
Type
Ply
Rating
Load
Range
Pressure
IN 385/65D 19.5
pneumatic
16
H
95PSI
(6.5 Bar)
IN 445/55D 19.5
pneumatic
16
H
85 PSI (6.0
Bar)
15 X 19.5
pneumatic
16
H
95PSI
(6.5 Bar)
18 X 19.5
pneumatic
16
H
85 PSI (6.0
Bar)
IN 385/65D 19.5
foam-filled
16
H
N/A
IN 445/55D 19.5
foam-filled
16
H
N/A
15 X 19.5
foam-filled
16
H
N/A
18 X 19.5
foam-filled
16
H
N/A
Table 1-10. Drive System Specifications
Drive Motor Displacement
2WD
4WD
2.74 cu. in. max. 1.425 cu. in. min.
(46 cm
3
max. 23.4 cm
3
min.)
2.74 cu. in. max. 1.000 cu. in. min.
(46 cm
3
max. 16.4 cm
3
min.)
Drive Hub Ratio.
2WD
4WD
86.7:1
59.3:1
Drive Brake
Automatic spring applied, hydrauli-
cally released disc brakes.
Table 1-11. Swing System Specifications
Swing Motor Displacement
4.9 cu. in. (80 cm
3
)
Swing Brake
Automatic spring applied hydraulically
released disc brakes
Swing Hub Ratio
50:1
Table 1-13. Variable Displacement Pump Specifications
Type
Variable, swashplate design
Nominal Pressure
3600 psi (248 bar)
Peak Pressure
4600 psi (317 bar)
Pump Circuit
Open
Displacement Vgmax
2.75 in
3
(45 cm
3
)
Pressure and Flow Control
DFR1
Rotation
Clockwise
NBR seals
Nitrile rubber to DIN ISO 1629
Shaft
SAE 1.00 in. (2.54 cm) splined
Table 1-14. Hydraulic Load Sense Pump Specifications
Pump Displacement
2.1cu. in. (34.4 cm
3
) Max.
Pump Output
15.5 GPM (59 lpm) @ 1800 RPM
Stand By Pressure
400 PSI.(27.5 Bar) @ 1800 RPM
High Pressure Relief
High Pressure Relief - 2700 PSI.(186
Bar)
Rotation
Clockwise
Table 1-15. Auxiliary Power Pump Specifications
Pump Output
2.1 GPM (9.5 lpm) @ 1400 PSI. (69
BAR)
Pump Displacement
0.305 cu. in. (5 cm
3
)
Valving Non-Adj.
Unloader Preset to 230 psi
Adjustable Relief Set at 1800 psi.
Motor
12 V.D.C. 2T Extended EMC Protected
Intermittent Duty
Rotation
Counterclockwise
Table 1-12. Hydraulic Drive Pump Specifications
Pump Output
35.5 GPM (134 lpm) @ 2800 RPM
Pump Displacement
2.8 cu. in. (46 cm
3
)
Charge Pump Displacement
0.85 cu. in. (14 cm
3
)
Charge Pump Output
9.5 GPM (37 ipm) @ 2800 RPM
Charge Pump Pressure
400 PSI. (27.5 Bar)@ 2800 RPM
Clockwise Rotation