JLG 530LRT, Service And Maintenance Manual

Page: 170 / 262

SECTION 4 - BASIC HYDRAULIC INFORMATION & SCHEMATICS
4-60 3121781
4.10 GEAR PUMP
1. Inlet Port from Hydraulic Tank, 1-15/16-12 SAE STD
THD - SAE #16 ORB
2. Outlet Ports, 7/8-14 SAE STD THD - SAE #10 ORB
Figure 4-19. Tandem Gear Pump
1
Table 4-38. Gear Pump Specs
Rotation (Viewing Drive End) Clockwise
Displacement Front:
Rear:
14.4 cc/rev
13.3 GPM
3.9 cc/rev
3.6 GPM
Max Rated Speed
(with max. fluid viscosity of 50mm
2
/sec.)
3500 rpm
Rated Pressure 3045 psi
(210 bar)
Minimum Speed at Rated Pressure 1000 rev/min
Table 4-39. Gear Pump - Dual Fuel - Gas/LPG
Rotation (Viewing Drive End) Clockwise
Displacement Front:
Rear:
8.4 cc/rev
8.9 GPM
2.62 cc/rev
2.77 GPM
Max Rated Speed
(with max. fluid viscosity of 50mm
2
/sec.)
4000 rpm
Rated Pressure 3046 psi
(210 bar)
Minimum Speed at Rated Pressure 1000 rev/min