FIRST THING TO CHECK
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....