Models 11860-Series
11870-Series
Models 11860, 11870-Series
SELF-PRIMING PUMPS
ELECTRO-MAGNETIC CLUTCH UNIT
FEATURES
Body: Bronze
Impeller: Nitrile
Shaft: Stainless Steel
Seal: Carbon-Ceramic, Face Type
Ports: 11860-Series, 1" NPT Internal
11870-Series, 1-1/4" NPT Internal
Bearings: Shielded Ball Bearings
Weight: 11860-Series, 15 lb (6.8 kg) Approx.
11870-Series, 19-1/2 lb (8.9 kg) Approx.
Clutch
Model Volt/Belt Cam Impeller Insert
11860-0005 12 / 2-A Brass Nitrile Brass
11860-0045 12 / 1-B Brass Nitrile Brass
11860-0006 24 / 2-A Brass Nitrile Brass
11860-0046 24 / 1-B Brass Nitrile Brass
11870-0005 12 / 2-A Brass Nitrile Brass
11870-0045 12 / 1-B Brass Nitrile Brass
11870-0006 24 / 2-A Brass Nitrile Brass
11870-0046 24 / 1-B Brass Nitrile Brass
11870-0007 32 / 2-A Brass Nitrile Brass
APPLICATION
MARINE: Pumping bilges, Washdowns, Circulating
water in bait tanks, Utility dock-side pump.
INDUSTRIAL: Circulating and transferring, Velocity-
mixing, Pumping machine tool coolants, Return spill,
Sump drainage, Chemicals, Pharmaceuticals, Soap,
Liquors, Ink, Dyes, Alcohol, Various acids, Tanning
Liquors, Glycerine, Brine, etc.
FARMING: Pumping water stock, Pumping water from
shallow wells and cisterns.
PLUMBING AND HOME EMERGENCY USE: Pumping
out flooded basements, Cesspools, Sumps, Water
heaters and water closets, Drains and sinks, Draining
fishponds and pools.
PUBLIC UTILITIES AND MUNICIPALITIES: Under the
hood mounting on service trucks for draining meter
boxes, manholes, excavations; For pollution control and
watering for dust control.
INSTALLATION
Pump may be mounted in any position. Intake and
discharge ports are determined by the direction of shaft
rotation (refer to dimensional drawing). Before installing,
energize clutch and turn pump shaft in direction of shaft
rotation. Drive pump with two “A” size belts or one “B”
size belt. Avoid dry-running by using Vacuum Switch
Model 4732-0000 for automatic shutoff.
WIRING
Connect wires as shown for manual on-off operation. Install
appropriate size fuse (see Electrical Specification Chart) in
positive lead as close to power source as possible. For
complete wiring instruction, see diagram on last page.
Connect wires as shown for manual on-off operation.
ELECTRICAL SPECIFICATIONS
Voltage Amp Draw Fuse Size
12 4 7
24 2 4
32 1.5 2
OPERATION
Pump will self-prime at low or high speeds. Make sure
that all connections are airtight. 12 Volt models are
equipped with mechanical clutch engagement screws in
case of electrical failure. To mechanically engage clutch,
loosen locking nuts, tighten allen head screws and
retighten locking nuts. Reverse procedure to disengage
clutch. If the mechanical engagement feature is not
desired, the screws may be removed. DO NOT RUN
PUMP DRY FOR MORE THAN 30 SECONDS. LACK
OF WATER FLOW MAY DAMAGE IMPELLER. To drain
pump, loosen end cover screws. See Head Capacity
Table for head pressures and flow. To avoid costly
shutdowns, keep a Jabsco Service. Kit on hand.
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