JLG 450AJ Service Manual User Manual
Page 11
SECTION 1 - SPECIFICATIONS
3120869
– JLG Lift –
1-3
1.7
PRESSURE SETTINGS - PSI (BAR)
Main Relief
Main Relief - 3000 (207)
Lift Up - 3000 (207) - Governed by Main Relief
Lift Down - 2500 (172) - Governed by Level Down Relief
Level Down - 2500 (172)
Level Up - 2500 (172)
Swing (Right & Left) - 1750 (121)
Drive
Drive - Pre-Set 4500 (310)
1.8
MAJOR COMPONENT WEIGHTS
1.9
CRITICAL STABILITY WEIGHTS
1.10 CYLINDER SPECIFICATIONS
Table 1-5.Major Component Weights
Component
LB.
KG.
6 ft Platform
160
73
5 ft. Platform
145
66
4 ft. Platform
130
59
Extend-A-Reach
230
104
Upper Boom (450A)
985
447
Upper Boom (450AJ)
1250
567
Upper Upright
212
96
Tower Boom
515
234
Lower Upright
100
45
Tower Link
150
68
Turntable
3560
1615
Engine Tray
890
404
Hydraulic Tray
225
102
Tail Counterweight
3410
1547
Bolt-on T/T Cwt. (AJ)
487
221
Chassis (12x16.5 pneu. tires)
4200
1905
12x16.5 pneu. Tire & Wheel
130
59
12x16.5 F/F Tire & Wheel
305
138
33/15.5x16.5 pneu. Tire & Wheel
150
68
33/15.5x16.5 F/F Tire & Wheel
374
170
33/16LL x 16.1 pneu Tire & Wheel
91.5
41.5
33/16LL x 16.1 F/F Tire & Wheel
426
193.4
Table 1-6.Critical Stability Weights
Component
LB.
KG.
Ford Engine
339
154
Deutz Engine
441
200
Isuzu Engine
389
176
6 ft Platform
160
73
5 ft. Platform
145
66
4 ft. Platform
130
59
Bolt-on T/T Cwt. (AJ)
487
221
12x16.5 pneu. Tire & Wheel
130
59
12x16.5 F/F Tire & Wheel
305
138
33/15.5x16.5 pneu. Tire & Wheel
150
68
33/15.5x16.5 F/F Tire & Wheel
374
170
33/16LL x 16.1 pneu Tire & Wheel
91.5
41.5
33/16LL x 16.1 F/F Tire & Wheel
426
193.4
Table 1-7.Cylinder Specifications
Cylinder
Bore
Stroke
Rod Dia.
Oscillation
2.5 in.
(63.5 mm)
4.125 in.
(104.8 mm)
1.75 in.
(44.45 mm)
Lower
Lift 4.5
in.
(114.3 mm)
21.5 in.
(546.1 mm)
2.5 in.
(63.5 mm)
Mid Lift
4.0 in.
(101.6 mm)
18.8 in.
(479.5 mm)
2.0 in.
(50.8 mm)
Upper Lift
3.5 in.
(88.9 mm)
24.4 in.
(619.4 mm)
2.5 in.
(63.5 mm)
Telescope
2 in.
(50.8 mm)
83.75 in.
(2127.25 mm)
1.25 in.
(31.75 mm)
Level
4.0 in.
(101.6 mm)
10.9 in.
(277.5 mm)
1.25 in.
(31.75 mm)
Jib
3.0 in.
(76.2 mm)
18.4 in.
(467.4 mm)
1.5 in.
(38.1 mm)
Rotate
1.5 in.
(38.1 mm)
9.3 in.
(236.2 mm)
0.75 in.
(19 mm)
Updated 2-16-00