JABSCO 51510 Series Manual

51510 Series
Self Priming Flexible Impeller Pump
Features
Body: Brass
Impeller: Neoprene
Seal: Carbon/Ceramic Mechanical
Shaft: Stainless Steel
Bearings: Sealed Ball Bearings
Ports: 3/8" BSP or 3/8" NPT
Weight: 0.62kg (1.4lb)
Variations Available
Model Description
51510-2001 3/8" BSP internal ports
51510-9001 3/8" NPT internal ports
Typical Applications
Marine:
Engine Cooling, Bilge Pumping, Water Circulation
Industrial:
Circulating and Transferring, Velocity Mixing
Farming:
Pumping Water for Stock, Liquid Ballast Transfer
Installation
1. Pump may be mounted in any position. Intake and
discharge ports are determined by the shaft
rotation. Ensure pipe fittings are air-tight or pump
will not prime.
2. Pump can be belt or direct driven.
Do not press pulley or coupling on shaft
without supporting the other end, bearing
and/or seal damage will occur. Ensure belt
is of correct tension, ensure drive shafts and
pump shaft are aligned before tightening
coupling.
3. Pump can be operated up to 3600 rpm and up to
22 psi (1.5 bar) (see performance curve).
4. Pump will prime at low or high speeds, for a vertical
lift of 10 feet (3 m), a minimum speed of 1000 rpm
is required.
5. DO NOT RUN DRY for more than 30 seconds,
impeller damage will occur.
6. Operating temperature, 45°F to 180°F (7°C to
82°C).
7. Freezing conditions, drain pump by loosening end
cover screws.
51510 Self Priming Flexible Impeller Pump
06/03
Service Instructions
Disassembly
1. Remove end cover screws, end cover and o-ring.
2. Remove impeller.
3. Remove dust shield and retaining ring.
4. Press out shaft/bearing assembly.
5. Press out mechanical seal.
Assembly
1. Press stationary part of mechanical seal into body.
2. Press rotary part of mechanical seal onto shaft.
3. Press shaft into body, do not allow shaft to touch
seal face.
4. Fit retaining ring and dust shield.
5. Lightly smear impeller bore with grease and fit
impeller.
6. Fit o-ring, end cover, and secure end cover screws.
DO NOT pump Petroleum or fluids with a
flashpoint below 30°C (86°F).