Insert the piston and piston rod into the barrel
Install the seals into the head
Carefully slide the head onto the piston rod butting it up to the barrel evenly.
Install and tighten the tie rod nuts.
Install the clevis (and jam nut if one is used) and tighten on the piston rod.
Plug the ports on the cylinder and re-install on the equipment. Remove the plugs and connect the air lines.
3-4-9 Hydraulic Pump Drive
Removal, Repair and Replacement. See figures 3-19 and 3-20.
This procedure assumes a complete removal, repair and replacement of the assembly. A partial disassembly repair and
replacement is possible. Follow the procedure to the point of removing only those components requiring repair or
Disconnect and lock out the breaker for the surge bin hydraulic motor.
Close the valve between the tank and the pump.
Remove the hoses at the pump. Catch the excess oil in a pail or a pan. Cap the hoses and plug the ports in the
pump to prevent contamination
Remove the two bolts holding the pump to the mount.
Remove the coupling guard and the shaft coupling following the instructions in Section 3-4-5.
Remove the pump.
The electric motor is bolted in place with 4 bolts. Remove these fasteners. Disconnect the ground strap at the
Remove the junction box cover on the electrical motor. Label the electrical wires and disconnect the three power
wires and the ground. Disconnect the ground strap from the electric motor to the frame. Remove the electric