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Rev.A

BULLET

®

 DCX NH

3

 Vacuum Pump

Operation and Maintenance Manual

Model: 93539

Summary of Contents for BULLET DCX NH3

Page 1: ...Rev A BULLET DCX NH3 Vacuum Pump Operation and Maintenance Manual Model 93539...

Page 2: ...d and inspected to assure compliance with Ritchie Engineering factory specifications If the pump carton is damaged check contents immediately Note damage on shipper s bill of lading and have shipper s...

Page 3: ...t Reduces vibration and increases durability and longevity Downward Angled Sump Helps remove contaminants usually trapped in sump with other designs 3 8 Brass Oil Drain For convenient fast oil changes...

Page 4: ...lar to two single stage pumps connected together If air a non condensable remains in the system it collects on the high side reduc ing system efficiency This causes a rise in head pressure The dischar...

Page 5: ...cord is needed refer to the below chart for proper sizing 6 Use the 4 in 1 Vacuum Charge Valve Core Tool to remove the Schrader valves from the system and evacuate through unrestricted lines for a fas...

Page 6: ...and two 3 8 vacuum hoses which can evacuate three times faster than a 1 4 hose 9 Use a heat gun on the condenser and evaporator to speed the evacuation process STEP 1 Disconnect power from motor Unsc...

Page 7: ...e and switch on pump run up to speed before connecting to system Four Most Common Comments on Pump Return Paperwork Your BULLET DC Pump features a heavy duty high torque motor for cold weather startin...

Page 8: ...e Oil Leaks Exhaust Oil level high System vented pressure through pump Pump tipped over Adjust oil level Check oil level add or replace oil Check oil level add or replace oil Seal Worn or damaged seal...

Page 9: ...per oil Air leaks 1 Caps connections 2 Gaskets O rings 3 Fittings 4 System leak Flush and replace oil Tighten Replace put on oil Replace reseal Isolate pump with blank off Value and repair system leak...

Page 10: ...17 8 32 X 5 8 Socket Head Screws 93506 8 Tether 92932 18 Oil Cover Gasket 92942 9 Cover Label 92967 19 Drive Coupling 93047 10 Cover Gauge Label 92968 20 Right or Left Leg Assembly with Screws 92959 1...

Page 11: ...normal field service maintenance such as changing oil or making minor adjustments In many instances the troubleshoot ing information in this manual can save you the time and effort of returning your...

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