Leveling Valve Pressure Test - Section 33
Preparation for Test
1. Depressurize rear axle hydraulic system by slowly opening bleed screw (57a).
2. Connect test gauge (038) with hose (038e) to distribution fitting (57) in place of bleed screw (57a).
3. Check oil level in oil reservoir, correct if necessary.
4. Connect HHT (refer to section 0).
NOTE: Monitor oil level during testing, air must not be allowed to enter the system through the hydraulic pump.
Special Tools:
Figure 1:
