Operator`s manual

Continue to press down the Control Lever and slowly turn the adjusting screw clockwise until the Hydraulic
Pressure Gauge on the Ladder Control Console indicates pressure is 1300 psi. Tighten the lock nut and
install the cap nut on the adjusting screw.
8.6 ROTATION - RELIEF VALVE ADJUSTMENT
This adjustment is done with the ladder resting on the ladder bed. Remove the cap nut and loosen the
lock nut on the rotation adjusting screw (see Figure 8-2, number 3). Turn the adjusting screw
counterclockwise about two full turns. Pull up the green Throttle Control Button. Push down the Ladder
Rotation Auxiliary Control Lever (see Figure 8-2, number 4). The ladder will not turn, but hydraulic
pressure will increase, as indicated by the Hydraulic Pressure Gauge on the Ladder Control Console.
Continue to push down the Control Lever and slowly turn the adjusting screw clockwise until hydraulic
pressure is 900 psi. Tighten the lock nut and install the cap nut on the adjusting screw.
8.7 OUTRIGGER -RELIEF VALVE ADJUSTMENT
Select "OUTRIGGER" with the Ladder/Outrigger Selector Valve. Extend the outriggers on the left side of
the vehicle until the foot plates press against the ground. The hydraulic pressure should be 1000 psi.
Hydraulic pressure is indicated by the hydraulic pressure gauge on the Outrigger Control Panel. If
hydraulic pressure is less that 1000 psi, remove the capscrew (see Figure 8-3, number 1) from the valve
behind the Outrigger Control Panel and remove the spring with a magnetic rod. Withdraw the relief valve
cartridge. Disassemble, clean and assemble the cartridge. Install the cartridge, spring and capscrew and
test the hydraulic pressure a second time following the procedure described above. If the hydraulic
pressure is still less than 1000 psi, replace the cartridge.
54