NorAM 65E Turbo Motor Grader, Service Manual

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65E Turbo Motor Grader
Service Manual
Service 2.00_2013.03 8 - 12
Section 8
Hydraulics
Step 5: Using all applicable safety practices, start
engine. Fully rotate steering wheel in both directions to
fully dead
- head cylinder. Record inlet pressure at
gauge. Stop engine. Pressure should be between 107 -
120 bar (1550 - 1750 psi). Adjust pressure using relief
valve in load sense priority steering valve,1, as follows:
a) Remove hose and fitting, 2, from valve.
b) Relief valve adjustment is made through valve hole.
Using a 7/32 in. Allen wrench, turn adjustment screw
in to increase or out to decrease pressure.
c) Install fitting and hose.
d) Start engine; verify pressure.
e) Repeat process until pressure is correct.
NOTE: Load sense priority steering valve port
designations are as follows:
(A) Pressure
(B) Control Flow
(C) Excess Flow
(D) Load Sense
(E) Return to Tank
Step 6: Turn engine off. Remove pressure gauge and
fittings. Recap test point, 1.
Step 7: Close engine panel access door.
1
2
A
D
E
B
C