JABSCO 777 Series User manual

Model 777-Series
Model 777-Series
SELF-PRIMING PUMPS
FEATURES
Body: Bronze
Impeller: Neoprene or Nitrile
Shaft: Stainless Steel
Shaft Seal: Mechanical Face Seal or Lip Type
Wearplate: Replaceable
Bearings: Shielded Ball Bearings
Ports: 1"NPT Internal
Weight: 5-3/4 lb (2.61 kg)
VARIATIONS AVAILABLE
Model No. Description
777-0001 Neoprene Impeller (Lip Seal)
777-0003 Nitrile Impeller (Lip Seal)
777-9001 Neoprene Impeller (Face Seal)
777-9003 Nitrile Impeller (Face Seal)
777-9051 Half Thickness Cam (Face Seal)
APPLICATIONS
MARINE – Pump bilge, Washdowns, Circulating water in
bait tanks, Utility dock-side pump, Engine cooling.
INDUSTRIAL – Circulating and transferring, Velocity-
mixing, Pumping machine tool coolants, Return spill,
Sump drainage, Chemicals, Pharmaceuticals, Soap,
Liquors, Ink, Dyes, Alcohol, Dilute acids, Tanning
Liquors, Glycerine, Brine, etc.
FARMING – Pumping water for stock, Pumping water
from shallow wells and cisterns, Pumping liquid ballast
into tractor tires.
PLUMBING AND HOME EMERGENCY USE – Pumping
out flooded basements, Cesspools, Sumps, Water heaters
and water closets, Drains and sinks, Draining fishponds
and pools.
OPERATING INSTRUCTIONS
1. Installation – Pump may be mounted in any position.
The rotation of the pump shaft determines the
location of the pump's intake and discharge ports.
(Refer to dimensional drawing.) Pump is normally
assembled at factory for clockwise rotation (looking
at end cover). If counter clockwise rotation is
desired, follow steps 1 and 2 of disassembly and
step 11 of assembly instructions to change direction
of impeller blade deflection under cam.
2. Drive – Belt or Direct with flexible coupling.
Belt – Overtightened belt load will reduce pump
bearing life.
Direct – Clearance should be left between drive
shaft and pump shaft when installing coupling.
Always mount and align pump and drive shaft before
tightening the coupling set screw.
NOTICE: If pulley or coupling must be pressed on
shaft, remove end cover and impeller to support shaft
from impeller end during press operation. Do not
hammer pulley or coupling on shaft; this may damage
bearings or seal.
3. Speeds – 100 RPM to the maximum shown in the
performance table. Consult the factory for operation
at speeds above those shown. For longer pump
life, operate at lowest possible speeds.
4. Self-Priming – Primes at low or high speeds.
For vertical dry suction lift of 10 feet, a minimum of
800 RPM is required. Pump will produce suction lift
up to 22 feet when wetted. BE SURE SUCTION
LINES ARE AIRTIGHT OR PUMP WILL NOT
SELF-PRIME.
5. Running Dry – Unit depends on liquid pumped for
lubrication. DO NOT RUN DRY for more than 30
seconds. Lack of liquid will damage the impeller.
6. Notice – Do not pump light fraction petroleum
derivatives, solvents, thinners, highly concentrated
or organic acids. Damage to pump may result.
Consult Jabsco Chemical Resistance Table
(available upon request from the factory) for proper

body materials and impeller compounds. If corrosive
fluids are handled, pump life will be prolonged if
pump is flushed with water after each use or after
each work day.
7. Pressures – Consult Head Capacity Table for
recommended maximum for continuous operation. If
pressures exceed those shown, consult the factory.
8. Temperatures – Neoprene 45˚-180˚F (7-82˚C).
Nitrile 50˚-180˚F (10˚-82˚C).
9. Freezing Weather – Drain unit by loosening end
cover. The following anti-freeze compounds can be
used without any adverse effects to the neoprene
impeller: Atlas “Permaguard”, DuPont “Zerex”
and “Telar”, Dow Chemical “Dowguard” and Olin
Mathison “Pyro” Permanent. Most Methyl alcohol
(methanol) based anti-freeze can be used.
DO NOT USE PETROLEUM BASEDANTI-FREEZE
COMPOUNDS OR RUST INHIBITORS.
10. Gasket – Use a standard pump part. Thicker gasket
will reduce priming ability.Athinner gasket will cause
the impeller to bind. Standard gasket is 0.010"thick.
11. Spare Parts – To avoid costly shutdowns, keep a
JABSCO Service Kit on hand.
SERVICE INSTRUCTIONS
DISASSEMBLY
1. Remove end cover screws, end cover and gasket.
2. Grasp hub of impeller with water pump pliers and
withdraw from body.
3. Remove cam screw and cam; clean sealant from
cam and body bore.
4. Remove wearplate.
5. Insert screwdriver between OD of outer bearing seal
and bearing bore and pry seal out.
6. Remove bearing to body retaining ring.
7. Press on impeller drive end of shaft to remove shaft
and bearing assembly.
8. Using extreme care not to mar body bore, insert
screwdriver between OD of inner bearing seal and
bearing seal bore and pry out seal.
9. Lip seal versions: Press seal out of body towards
impeller bore.
Face seal versions: Remove ceramic seal seat
and seat gasket from shaft. Press carbon seal seat
out of body towards impeller bore.
10. Remove bearing shaft retaining ring.
11. Support bearing inner race, press on drive end of
shaft to remove shaft from bearing. Do not attempt
to remove bronze bushing which is pinned to shaft.
12. Inspect all parts for wear or damage and replace
where necessary.
ASSEMBLY
1. Lubricate inner bearing seal lip with grease and
press into body bearing seal bore with lip facing
away from bearing bore.
2. Press shaft into bearing, using care to support inner
race of bearing.
3. Install bearing to shaft retaining ring with flat side
toward bearing.
4. Position slinger in body drain area. Insert splined
end of shaft through bearing bore and guide slinger
over shaft until bearing contacts body. Align slinger
with raised shoulder on shaft as the shaft/bearing
assembly is pressed the last 1/4"into the bearing
bore.
5. Pressing on bearing outer race, install bearing into
bore.
6. Install bearing to body retaining ring in body groove
with flat side toward bearing.
7. Lubricate outer bearing seal lip with grease and
press into bearing bore until it is flush with the body.
8. Lip seal versions: Lubricate OD and lip of seal,
then push into place, using care not to damage or
cut seal lip. (Lip faces impeller bore.)
Face seal versions: Lubricate rubber grommet in
ceramic seal seat with water and install on shaft,
grommet toward bearing. Install seal (carbon toward
ceramic seat) in seal bore and press flush with
bottom of impeller bore.
9. Install wearplate in body bore, aligning slot in
wearplate with dowel pin in body.
10. Apply a thin coat of sealant to cam screw threads
and top side of cam and install in body with cam
screw.
11. Lubricate impeller bore and end surfaces of impeller
with light coat of water pump grease and start
impeller into bore with a rotary motion until splines
engage, then push into bore.
12. Install gasket and end cover and secure with end
cover screws.
Chemical hazard. Pumps which have handled
corrosive, caustic or toxic fluids should be
drained and completely flushed prior to
servicing. Failure to do so can cause injury.
WARNING
!

PARTS LIST
Model Model Model Model Model
Key Description 777-0001 777-0003 777-9001 7777-9003 7777-9051
1Shaft 6718-0000 6718-0000 6718-0000 6718-0000 6718-0000
2Retaining Ring (Brg. to Shaft) 18713-0000 18713-0000 18713-0000 18713-0000 18713-0000
3Ball Bearing 92600-0060 92600-0060 92600-0060 92600-0060 92600-0060
4Retaining Ring (Brg. to Body) 18724-0000 18724-0000 18724-0000 18724-0000 18724-0000
5Key 9215-0000 9215-0000 9215-0000 9215-0000 9215-0000
6Cam (Brass) 934-0000 934-0000 934-0000 934-0000 2431-0000
7Wearplate 4156-0000 4156-0000 4156-0000 4156-0000 4156-0000
8Seal Spacer†3166-0000 3166-0000 — — —
9Seal (Lip)* ** 92700-0060 92700-0060 — — —
10 O-Ring*†92000-0210 92000-0210 — — —
11 Seal (Face)* ** — — 96080-0080 96080-0080 96080-0080
12 Screw (Cam) 91004-0090 91004-0090 91004-0090 91004-0090 91004-0090
13 Slinger, used with Lip Seal only 3181-0000 3181-0000 3181-0000 3181-0000 3181-0000
14 Body 798-0020 798-0020 798-0020 798-0020 798-0020
15 Screw (End Cover) 91003-0010 91003-0010 91003-0010 91003-0010 91003-0010
16 End Cover 11831-0000 11831-0000 11831-0000 11831-0000 11831-0000
17 Gasket* 890-0000 890-0000 890-0000 890-0000 2432-0000
18 Impeller* - Neoprene, Brass Insert 17937-0001 — 17937-0001 — 17937-0001
Nitrile, Brass Insert — 920-0003 — 920-0003 —
Service Kit (Not Shown) 90010-0001 90010-0003 90118-0001 90118-0003 90118-0001
* Parts supplied in Service Kit.
† Used for models prior to August 1, 1964.
NOTE: 5915-0001, High Pressure Neoprene Impeller available; contact factory for application recommendations.
** When replacing shaft seal, the outer bearing seal is often distorted beyond serviceability and should be replaced.
1
15 16
17
18
11
6
78910
12
13
14
5
4
3
2
OR
††
EXPLODED VIEW

U.S.A.
Jabsco
1485 Dale Way, P.O. Box 2158
Costa Mesa, CA 92628-2158
Tel: [phone]
Fax: [phone]
UNITED KINGDOM
Jabsco
Bingley Road, Hoddesdon
Hertfordsire EN11 OBU
Tel: [phone]
Fax: [phone]
CANADA
Fluid Products Canada
55 Royal Road
Guelph, Ontario N1H 1T1
Tel: [phone]
Fax: [phone]
JAPAN
NHK Jabsco Company Ltd.
3-21-10, Shin-Yokohama
Kohoku-Ku, Yokohama, 222
Tel: [phone]
Fax: [phone]
GERMANY
Jabsco GmbH
Oststrasse 28
22840 Norderstedt
Tel: [phone]
Fax: [phone]
THE PRODUCTS DESCRIBED HEREIN ARE
SUBJECT TO THE JABSCO ONE YEAR LIMITED
WARRANTY, WHICH IS AVAILABLE FOR YOUR
INSPECTION UPON REQUEST.
©Copyright 2001, ITT Industries Printed in U.S.A. All Rights Reserved Form: 43000-0061 Rev. 1/2001
DIMENSIONAL DRAWING
Inches (Millimeters)
PERFORMANCE TABLES
Model 777-9001
Total Head 500 RPM 1160 RPM 1750 RPM 2100 RPM 2750 RPM 3000 RPM
psi Feet of Water GPM HP GPM HP GPM HP GPM HP GPM HP GPM HP
(kg/sq cm) (Meters) (L/Min) (L/Min) (L/Min) (L/Min) (L/Min) (L/Min)
4.3 10 6.0 1/4 14.7 1/3 23.3 3/4 27.9 3/4 33.8 1-1/2 35 1-1/2
(0.3) (3.0) (22.7) (55.6) (88.2) (105.6) (127.8) (132.5)
8.7 20 5.6 1/4 13.8 1/2 22.0 3/4 26.8 1-1/2 32.9 1-1/2 34.3 1-1/2
(0.6) (6.1) (21.2) (51.9) (8.3) (101.3) (124.5) (129.8)
17.3 40 4.6 1/4 11.5 1/2 19.3 3/4 23.9 1-1/2 30.5 1-1/2 32.5 1-1/2
(1.2) (12.2) (17.4) (43.5) (73.1) (90.5) (115.5) (123.0)
26.0 60 — — 7.8 3/4 15.5 119.2 1-1/2 26.1 229.3 2
(1.8) (18.3) (29.5) (58.7) (72.5) (98.6) (110.9)
34.6 80 — — — — 10.0 113.2 1-1/2 19.9 223.5 2
(2.4) (24.4) (37.9) (49.8) (75.3) (89.1)
Model 777-9051
Total Head 500 RPM 1160 RPM 1750 RPM 2100 RPM 2750 3000 RPM
psi Feet of Water GPM HP GPM HP GPM HP GPM HP GPM HP GPM HP
(kg/sq cm) (Meters) (L/Min) (L/Min) (L/Min) (L/Min) (L/Min) (L/Min)
4.3 10 4.0 1/4 8.7 1/4 13.6 1/2 16.7 3/4 22.3 134.0 1
(0.3) (3.0) (15.1) (32.9) (51.5) (63.2) (84.4) (90.8)
8.7 20 3.4 1/4 8.0 1/3 12.8 1/2 15.8 3/4 21.2 123.2 1-1/2
(0.6) (6.1) (12.9) (30.3) (48.4) (59.8) (79.9) (87.8)
17.3 40 2.0 1/4 5.8 1/3 10.4 3/4 13.5 3/4 18.5 122.0 1-1/2
(1.2) (12.2) (7.6) (22.0) (39.4) (51.1) (70.0) (83.3)
26.0 60 — — — — 7.0 3/4 10.0 114.5 1-1/2 16.0 1-1/2
(1.8) (18.3) (26.5) (37.9) (54.9) (60.6)
NOTE: Table shows approximate head-flow for new pump, with a neoprene impeller, in U.S. gallons per minute and liters per minute. For a nitrile
impeller, reduce values by 10%. Progressively longer life may be expected as operating pressures and speeds are reduced. Factory application engi-
neering assistance is recommmended for shaded area. High starting torque motors are required. Pump starting torque in dry condition (no fluid in
pump body) is 45.7 inch-pounds and in wet condition (fluid in pump body) is 39.0 inch-pounds.