Hydraulic oil, Major component weights, 2 function speeds – JLG 18RS Service Manual User Manual
Page 14: Hydraulic oil -2 major component weights -2, Function speeds -2, Hydraulic oil -2, Critical stability weights -2

SECTION 1 - SPECIFICATIONS
1-2
– JLG Lift –
3121284
Hydraulic Oil
NOTE: Hydraulic oils require anti-wear qualities at least API
Service Classification GL-3, and sufficient chemical
stability for mobile hydraulic system service.
NOTE: Machines may be equipped with Mobil EAL biode-
gradable and non-toxic hydraulic oil. This is a fully
synthetic hydraulic oil that possesses the same anti-
wear and rust protection characteristics as mineral
oils, but will not adversely affect the ground water or
the environment when spilled or leaked in small
amounts.
NOTE: Aside from JLG recommendations, it is not advis-
able to mix oils of different brands or types, as they
may not contain the same required additives or be
of comparable viscosities. If use of hydraulic oil
other than Mobil 424 is desired, contact JLG Indus-
tries for proper recommendations.
Major Component Weights
DO NOT REPLACE ITEMS CRITICAL TO STABILITY WITH ITEMS
OF DIFFERENT WEIGHT OR SPECIFICATION (FOR EXAMPLE: BAT-
TERIES, FILLED TIRES, PLATFORM) DO NOT MODIFY UNIT IN
ANY WAY TO AFFECT STABILITY.
1.2 FUNCTION SPEEDS
Notes:
1.
Personality settings can be adjusted anywhere within
the adjustment range in order to achieve optimum
machine performance.
2.
Stop watch should be started with the function move-
ment, not with actuation of the joystick or switch.
3.
All speed tests are run from the platform, except those
specifically designated to be run in Ground Mode.
4.
The platform speed control knob must be at full speed
(turned clockwise completely) unless noted.
5.
Functional speeds may vary due to cold thick hydraulic
oil. Test should be run with the oil temperature above
38° C (100° F)
6.
Drive test results reflect 315 / 55 D20 Foam Filled Tires
Table 1-6. 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
Table 1-7. Critical Stability Weights
Components
LBS.
KG.
Tire & Wheel (Foam-Filled)
343
155.5
Engine Assembly (w/tray)
917
416
Battery
41
18.5
Counterweights (Left or Right)
937
425
Tower Boom
441.5
200.3
Tower Link
304.6
138.2
Upright
410.3
186.1
Main Boom Assembly
1886.5
855.7
Platform
224
102
Platform Support
68
31
Platform Rotator
55
25