JLG 740AJ Service Manual - Manual (Page 308)

SECTION 5 - HYDRAULICS
5-22 – JLG Lift – 3121160
5.12 SAUER PISTON PUMP S/N 0300121643
TO PRESENT
Table 5-4. Symbols Used
Symbol Meaning Symbol Meaning
Non-reusable part, use a
new part Inspect for wear or dam-
age
Option - either part may
exist Note correct orientation
Internal hex head Torque specification
O-ring boss port Pull out with tool - press fit
Lubricate with hydraulic
fluid Cover splines with instal-
lation sleeve
Apply grease /petroleum
jelly Pressure measurement /
gauge location or specifi-
cation
The symbols above can be found in the pump illustrations. The legend
above is provided to define each symbol and explain its purpose.
Inlet port S
SAE J1926/1,
1.875-12
System gauge po
SAE J1926/1, 0.4375-20
Case drain po rt L1
SAE J1926/1, 0.875-14
Outlet port B
SAE J1926/1, 1.3125-12
Case drain port L2
SAE J1926/1,
0.875-14
rt M2
Table 5-5. Gauge and Port Information
Port Purpose Range of Pump Fitting
M2 System pressure 0-5000 psi [0-300 bar] 7/16 - 20 o-ring fitting
M4 Servo pressure 0-5000 psi [0-300 bar] 7/16 - 20 o-ring fitting
L1,L2 Case pressure 0-100 psi [0-10 bar] 7/8 - 14 o-ring fitting
X1 Load Sense signal 0-5000 psi [0-300 bar] 7/16 - 20 o-ring fitting (tee into Load Sense signal line)
Figure 5-18. Gauge Port Locations