If you must repair the unit without a manual:
To "put together" the necessary paperwork for this unit, you typically need the following documents: ps-855b maintenance manual
Do not remove the switch from the pressurized line without isolating the system and relieving pressure. Sudden release of pressurized fluid can cause serious injury. If you must repair the unit without a
Grand Rapids, MI 49512-9704, USA July 30, 2014. [Link] Foreword. This manual provides information intended for use by persons who, PS-850/PS-855 Component Manual | PDF - Scribd USA July 30
Rated at 5.0 Amp/Hour (compared to 2.5 Amp/Hour for other models in the series). Key Maintenance Procedures