APRON AND LEFT-HAND WHEEL CONTROL INOPERATIVE - Continued
Is hydraulic pressure at transducer T-3 between 3,950-4,050 psi (27,235-27,925 kPa) on the HDC display?
YES - Stop engine; relieve hydraulic pressure. Verify the problem with operator.
NO - Go to Step (2).
Perform 13R main relief valve adjustment.
Loosen jam nut (Figure 4, Item 1) on main relief valve 13R (Figure 4, Item 2).
Have assistant simultaneously hold EJECTOR CONTROL lever in BACK while holding the right-hand
SUSPENSION CONTROL lever in RAISE.
Read transducer T-3 hydraulic pressure on the HDC display (Figure 3, Item 1).
Figure 3. Hydraulic Diagnostic Center (HDC) Control Box.