JLG 740AJ Service Manual - Manual (Page 27)

SECTION 1 - SPECIFICATIONS
3121160 – JLG Lift – 1-7
1.18 MAJOR COMPONENT WEIGHTS 1.19 PRESSURE SETTINGS
1.20 CRITICAL STABILITY WEIGHTS
DO NOT REPLACE ITEMS CRITICAL TO STABILITY WITH ITEMS
OF DIFFERENT WEIGHT OR SPECIFICATION (FOR EXAMPLE:
BATTERIES, FILLED TIRES, COUNTER WEIGHT, ENGINE, AND
PLATFORM) DO NOT MODIFY UNIT IN ANY WAY TO EFFECT STA-
BILITY.
Table 1-26. Major Component Weights - 800AJ
MAJOR COMPONENTS LBS. KG.
Platform & Control Console 250 113
Main Boom (Inc. Slave Cylinder Rotator, And
Support) 3185 1445
Main Lift Cylinder 500 230
Main Telescope Cylinder 480 220
Upright 1175 535
Upright Level Cylinder 585 265
Tower Boom Complete 3450 1565
Tower Lift Cylinder 625 285
Turntable Counterweight 4805 2180
Turntable Complete (Including Engine) 11025 5001
Chassis Complete 12620 5724
Machine Complete (GVW) 33100 15020
NOTE: The above components are separate assemblies.
example: "TURNTABLE COMPLETE" does not include
booms, upright, lift cylinders or platform. The weights of
these components must be added for the total weight.
Table 1-27. Pressure Settings
Upper boom Lift Down Relief 1400 PSI. (97 Bar)
Swing Relief 1400 PSI. (97 Bar)
Platform Level Relief:
Up
Down
2800 PSI. (193 Bar)
1800 PSI. (124 Bar)
Steer Relief
2WS
4WS
1800 PSI. (124.11Bar)
2500 PSI. (172 Bar)
Tower Boom Telescope 2200 PSI. (151.7 Bar)
Articulating Jib Boom
Up
Down
2500 PSI. (172 Bar)
1200 PSI. (83 Bar)
Table 1-28. Critical Stability Weights
COMPONENTS LBS. KG.
Tire & Wheel 18 X 19.5
675 305
Engine Ford
600 209
Deutz
534 242
GM w/pumps
1030 468
Counterweight Turntable
4805 2180
Wheel Hubs Front & Rear
218 99
Platform 6 FT. (1.83 M)
205 93
8 FT. (2.44 M)
230 105