The new style hydraulic pumps used on the Skyjack Compact and Conventional model electric scissor lifts mount to the pump motor with two socket head cap screws. You will see four cap screws at the front face of the pump. Two of the cap screws hold the pump body together, and the other two cap screws secure the pump to the motor face plate. To remove the pump, you need only to remove the mounting cap screws that are missing from figure 1....

When troubleshooting Skyjack electric scissor lifts, it is useful to be aware of two manually operated valves that can cause operation issues and which may be overlooked. These should be the first items checked when experiencing the symptoms described below. Symptom: The platform lifts slowly and seems to have a heavy load on the platform. The pump motor strains as if the batteries are low on charge. First thing to check: Take a look at the lift cylinder holding valves. These are the valves that are opened when using the emergency platform lowering....

An often overlooked spot on the Skyjack electric powered scissor lifts is the A.C. interlock connection. It is located at the rear of the battery charger and is labeled as AC Interlock. If the label is missing, look for two 14 GA. wires (one black/one white) leading to a white connector.

Many of the engines we use in our scissorlift and boomlift models utilize a simple pull solenoid to operate the engine throttle and choke. The solenoid consists of a steel plunger that is placed inside a wound coil of copper wire. When this coil is energized, a magnetic field is produced which draws the plunger into the magnetic field. The other end of the plunger is connected to the throttle or choke lever to be operated.