JLG 660SJ ANSI Service Manual - Manual (Page 25)

SECTION 1 - SPECIFICATIONS
3120718 – JLG Lift – 1-7
Lubrication Specifications
1.7 PRESSURE SETTINGS
Rexroth Valve (S Models)
Main Relief - 3000 PSI (207 Bar).
Upper Boom Lift Down - 1500 PSI (103 Bar).
Swing - 1700 PSI (117 Bar).
Steer - 1800 PSI (124 Bar).
Steer Reliefs - 4WS Front & Rear - 2500 PSI
(172 Bar).
Platform Level Forward - 2800 PSI (193 Bar).
Backward - 1800 PSI (124 Bar).
Articulating Jib Boom Up - 1500 PSI (103 Bar).
Down - 1200 PSI (83 Bar).
Rexroth Valve (A Models)
Main Relief - 3000 PSI (206.85 Bar).
Upper Boom Lift Down - 1200 PSI (83 Bar).
Swing - 1700 PSI (117.2 Bar).
Platform Level Forward - 2800 PSI (193 Bar).
Backward - 1800 PSI (124 Bar).
Steer - 1800 PSI (124 Bar).
Steer Reliefs - 4WS Front & Rear - 2500 PSI
(172 Bar).
Articulating Jib Boom Up - 1500 PSI (103 Bar).
Down - 1200 PSI (83 Bar).
Table 1-5. Lubrication Specifications
KEY SPECIFICATIONS
MPG Multipurpose Grease having a mini-
mum dripping point of 350° F. Excel-
lent water resistance and adhesive
qualities, and being of extreme pres-
sure type.
(Timken OK 40 pounds minimum.)
EPGL Extreme Pressure Gear Lube (oil)
meeting API service classification
GL-5 or MIL-Spec MIL-L-2105
HO Hydraulic Oil. API service classifica-
tion GL-3, e.g. Mobilfluid 424.
EO Engine (crankcase) Oil. Gas - API SF,
SH, SG class, MIL-L-2104. Diesel -
API CC/CD class, MIL-L-2104B/MIL-
L-2104C.
NOTE: Refer to Lubrication Chart, for specific lubrication
procedures.