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Figure 126. Test Port Pressure.
Figure 128. 82.5 Percent Display.

Maintenance Manual For Motorized Road Grader Model 120M - 3
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TM 5-3805-293-23-3
0043
SOLENOID VALVE (AWD PUMP DISPLACEMENT) TEST CONTINUED
35. Use ET to enter New Value (Figure 127, Item 2) of 42.5 percent. Select OK button (Figure 127, Item 3).
a. Record value of Right Front Speed Ratio (Figure 127, Item 1). Verify that right front speed ratio is a
positive value greater than zero.
b. Replace solenoid (WP 0117) if following conditions exist:
Speed remains at zero.
Pressure at test port isless than 58 psi (400 kPa).
Figure 127. 42.5 Percent Display.
0043
c.
Replace AWD pump (WP 0116) if following conditions exist:
Speed remains at zero.
Pressure measured by 580 psi hydraulic gauge(Figure 126, Item 1) at test port is greater
than 58 psi (400 kPa).
0043-107


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