Blackmer Liquified Gas Pump RC20

Warning: This procedure requires trained personnel with PPE!

Enter the operational hours of the machine

Inspect both Ball Bearings for wear

If a major overhaul is required, replace the Ball Bearings

Sign off on the Ball Bearing replacement

NOTICE: Maintenance shall be performed by qualified technicians only, following the appropriate procedures and warnings as presented in this manual

If any abnormal condition is discovered, cease operation of pump immediately and take action to rectify the problem. Record observations from these inspections in Pump Run Log

Inspect the Pump for LPG leaks, vibration, abnormal noises, signs of overheating, discoloration, etc

Inspect Coupling Assembly for signs of wear, overheating, discoloration, etc

Check Pump differential pressure

Inspect motor for vibration, abnormal noises, signs of overheating, discoloration, etc

Sign off on the pump inspection

Impeller and Seal Zone of Body checked for damage or wear

Impeller blades damaged or wear exceeds minimum recommended

Shaft checked for wear, damage or run-out

Mechanical Seal components checked for wear or damage

Mechanical Seal components need replacement

All O-Rings replaced at every overhaul or when any disassembly is conducted

Sign off on the Liquified Gas Pump Inspection

Warning: This maintenance check requires trained personnel with PPE!

Strainers cleaned regularly to avoid pump starvation

Schedule for strainer cleaning based on application and conditions

Note: The Ball Bearings for the RC Series pumps are grease lubricated and 'sealed-for-life' design

No 'in service' lubrication required on Ebsray's RC Series Pumps

Motor maintenance recommendations from specific motor manufacturer

Sign off on the Liquified Gas Pump Maintenance

Cover, Impeller and Impeller Key removed

Four setscrews from Cartridge unscrewed

Circlip from end of Shaft Assembly removed

Mechanical Seal Assembly removed

Carbon Seal Seat and Lip Seal from Cartridge removed

Relevant components inspected and repaired or replaced as required

All parts cleaned and any burrs removed

Impeller maintains an accurate free sliding fit on Shaft and key

O-Rings, Lip Seals and Mechanical Seal Faces lightly lubricated with a compatible good quality detergent-free light oil before assembly