JLG 120HX ANSI Service Manual - Manual (Page 18)

SECTION 1 - SPECIFICATIONS
1-8 – JLG Lift – 3120686
1.8 PRESSURE SETTINGS - PSI (BAR)
NOTE: All pressures are given in pounds per square inch
(psi), with the metric equivalent, bar, given in paren-
theses.
Main Control Valve
Main Relief - 3450 (238)
Lift Down Relief - 1200 (83)
Swing Relief - 1200 (83)
Level Up Relief - 2500 (172)
Level Down Relief - 2000 (138)
Rotate Relief - 2500 (172)
Extend-A-Reach Up Relief - 3000 (207)
Extend-A-Reach Down Relief - 1400 (97)
Sequence (Load Sense) - 160 (11)*
* Sequence pressure is pre-set and not normally
adjusted.
Frame Mounted Control Valve
Front Steer Relief - 2000 (138)
Rear Steer Relief - 2000 (138)
Front Axle Extend Relief - 2000 (138)
Front Axle Retract Relief - 2200 (152)
Rear Axle Extend Relief - 2000 (138)
Rear Axle Retract Relief - 2200 (152)
26 Load Moment Pivot Pins 1 Grease Fitting MPG - Pressure Gun 150 Position boom over side for access
under turntable
27 Hydraulic Filter - Function
Pump N/A N/A 50/300 Replace after first 50 hrs. of operation,
then every 300 hrs. thereafter
28 Hydraulic Filter - Drive Pump N/A N/A 50/300 Replace after first 50 hrs. of operation,
then every 300 hrs. thereafter
29 Hydraulic Fluid Fill Cap HO 10/1200 Check oil daily/Change oil every 1200
hrs
30 Engine Crankcase Fill Cap/Drain Plug EO - SAE30 10/300 Check oil daily/Change oil every 300 hrs.
31 Engine Oil Filter N/A Replaceable Car-
tridge 300
32 Platform Door Hinges 2 Grease Fittings MPG - Pressure Gun 150
33 Access Door Hinges N/A SAE10 - Oil Can 150 As Needed
34 Access Door Latches N/A SAE10 - Oil Can 150 As Needed
35 Axle Beams N/A MPG - Brush 600 As Needed
Key to Lubricants: MPG - Multipurpose Grease
EPGL - Extreme Pressure Gear Lubricant
HO - Hydraulic Fluid
EO - Engine Oil
Table 1-6. Lubrication Chart
Index
No.
Component
Number/Type
Lube Points
Lube &
Method
Interval
Hours
Comments