User Manual

SECTION 1 - SPECIFICATIONS
1-4 – JLG Lift – 3120884
1.8 PRESSURE SETTINGS
Main Valve
Upper Lift Down Relief - 38 bar (550 psi)
Mid/Lower Lift Down Reli ef - 117 bar (1700 psi)
Telescope In Relief - 148 bar (2150 psi)
Platform Level Up Relief - 172 bar (2500 psi)
Platform Level Down Relief - 83 bar (1200 psi)
Steer/Brake Valve
Steer Relief - 159 bar (2300 psi)
Main Relief - 221 bar (3200 psi)
Jib Valve
Jib Relief (Up and Down) - 103 bar (1500 psi)
1.9 CYLINDER SPECIFICATIONS
NOTE: All dimensions are given in inches (in.), with the met-
ric equivalent, millimeters (mm), given in parenthe-
ses.
1.10 MAJOR COMPONENT WEIGHTS
SELECT LIFTING EQUIPMENT WITH CAPACITY CAPABLE OF
SAFELY SUPPORTING WEI GHT.
1.11 CRITICAL STABILITY WEIGHTS
DO NOT REPLACE ITEMS CRITICAL TO STABILITY WITH I TEMS
OF DIFFERENT WEIGHT OR SPECIFICATION (FOR EXAMPLE:
BATTERIES, FILL ED TIRES, PLATFORM) DO NOT MODIFY UNIT
IN ANY WAY TO AFFECT STABILITY.
Table 1-5.Cylinder Specifications
Cylinder Bore Stroke Rod Dia.
Upper Lift
Cylinder
3.00
(76.2)
28.3125
(719.1)
1.50
(38.1)
Mid Lift Cylinder 3.00
(76.2)
21.25
(539.7)
1.50
(38.1)
Lower Lift Cylinder 4.00
(101.6)
23.25
(590.5)
2.25
(57.1)
T elescope Cylinder 2.00
(50.8)
92
(2337)
1.25
(31.8)
Master Cylinder 2.00
(50.8)
9.375
(238.1)
1.00
(25.4)
Slave Cylinder 2.00
(50.8)
9.375
(238.1)
1.00
(25.4)
Rotator Cylinder 1.875
(47.6)
15.250
(387.3)
1.00
(25.4)
Steer Cylinder
(Double Rod)
2.50
(63.5)
4.06
(103.1)
1.75
(44.5)
Table 1-6.Majo r Component Weights
Compon ent LB. KG.
Platform and Support 215 97.5
Upper Boom Complete 810 367
Mid Boom Complete 550 249
Lower Boom Complete 550 249
Upper Lift Cylinder 89 40
Mid Lift Cylinder 95 43
Lower Lift Cylinder 110 50
T elescope Cylinder 85 38.5
Upper Upright 225 102
Lower Upright 97 44
Turntable 948 430
Battery Box (incl. batteries) 600 272
Chassis (w/ pneu. tires) 4,295 1948
Chassis (w/ foam-filled tires) 4,695 2130
Counterweight 3850 1746
Machine Complete (E45A) 14,000 6356
Machine Complete (M45A) 14,300 6492
Table 1-7.Critica l Stab ility Weights
Compon ent LB. KG.
Counterweight 3850 1746
Tire & Wheel (foam-filled) 207 94
Platform (4ft [1.2 m]) 90 41
Platform (5 ft. [1.5 m]) 100 45
Battery (each) 120 54