JLG 680S Operator Manual - Manual (Page 94)

SECTION 6 - GENERAL SPECIFICATIONS & OPERATOR MAINTENANCE
6-6 – JLG Lift – 3121678
Major Component Weights Hydraulic Oil
NOTE: Hydraulic oils must have anti-wear qualities at least to API Ser-
vice Classification GL-3, and sufficient chemical stability for
mobile hydraulic system service. JLG Industries recommends
Mobilfluid 424 hydraulic oil, which has an SAE viscosity index of
152.
NOTE: When temperatures remain consistently below 20 degrees F. (-7
degrees C.), JLG Industries recommends the use of Mobil DTE13.
Table 6-9. Component Weights
Component Pounds Kilograms
Turntable (bare) 3700 1678
Counterweight 7000 3175
Upright 1050 476
Tower 685 311
Fly Boom 490 222
Mid Boom 740 336
Base Boom 1410 640
Boom Assembly 3337 1514
Telescope Cylinder 495 225
Slave Cylinder 73 33
Torque Hub (2WD) 218 99
Tire & Wheel (pneu) 269 122
Tire & Wheel (FF) 544 247
Table 6-10. Hydraulic Oil
Hydraulic System
Operating
Temperature Range
S.A.E. Viscosity
Grade
+0° to + 180° F (-18° to +83° C) 10W
+0° to + 210° F (-18° to +99° C) 10W-20, 10W30
+50° to + 210° F (+10° to +99° C 20W-20