Lubricate the rear-bearing (All EH250 and EH500 model pumps only) . .. Read this manual before you install and operate your EH pump. . Motor fan cover. case the user will be required to correct the interference at his own expense. Revision. This user's manual is for PLANET SOHO hub model --. EH-500 , EH-800A Edwards EH250, EH500A, EH1200, EH2600 and EH4200 (safe area) Read this manual before you install and operate your EH pump. Important of rotation: watch the motor fan inside the fan cover, switch on the EH pump for two or three. EH/QMB/QMBDD500 COMMON MODULE PARTS LIST. 15 The information in this manual is applicable to production standard EH, QMB and QMBDD Pumps;. Edwards EH500 Mechanical Booster Vacuum Pump - NEW. Click Image to Enlarge. Description; Dimensions; Specifications; Digital Manual; RFQ/Configuration. Description; Specifications; Digital Manual; RFQ/Configuration. Edwards EH-500 Vacuum Blower - REBUILT. Rebuilt with one year warranty. View our inventoryInstruction Manual. ES EH Combination Kit Assembly Instructions. Description. Item Number. ES100 - EH250 Combination Kit. A52010100. ES100 - EH500 For return of equipment, complete the HS Forms at the end of this manual. Lubricate the rear bearing (EH250FX, EH500 and EH500FX pumps only) . .. Ensure that the cooling air flow through the pump motor cooling fan cannot be The Edwards EH500 Booster Pump features twin Roots lobes driven by a hydrokinetic drive mechanism that Like all blowers, it requires a suitable backing pump such as an Edwards E2M40 and E2M80. Download the full manual below.