Inspect internal ribbon cables, screw terminals, and solder joints for signs of stress, discoloration, or fracturing due to thermal cycling. Annual Maintenance (Every 12 Months)
With no external power applied, press and hold the button for 5 seconds. ps-855b maintenance manual
Check external binding posts for signs of arcing, melting, or loose threading. Inspect internal ribbon cables, screw terminals, and solder
The PS-855B is a self-contained hydraulic system typically comprising a reservoir, pump assembly, electric motor or engine prime mover, valving, and filtration system. Inspect internal ribbon cables
A: The PS-855B has a higher battery capacity (5.0 Amp/Hour) to support more demanding emergency loads. This requires larger batteries, which results in the weight difference (13.7 lbs for the PS-855B vs. 9.1 lbs for the PS-855A).