JABSCO 18400-0050 User manual

Model 18400-0050

SELF-PRIMING PUMP

FEATURES

Body: Bronze

Impeller: Jabsco Neoprene Compound

Shaft: 316 Stainless Steel

Shaft Seal: Lip Type

Ports: 3/4" NPT

Weight: 6 lb (approx.)

APPLICATION

Marine Engine Cooling

FOR ENGINE MODELS

ONAN MDJ-C

MDJ-F

Model 18400-0050

DIMENSIONAL DRAWINGS

INCHES (MILLIMETERS)

INSTALLATION INSTRUCTIONS

Engine shaft with drive tang, make sure flange seats

squarely on mounting surface and bolt to engine.

Connect inlet and outlet fittings using pipe compound to

seal threads.

OPERATING INSTRUCTIONS

Pump will self-prime at low or high speeds. Make sure

scoop and inlet line are clear and all connections airtight.

Do not run pump dry for more than 30 seconds. Lack of

water flow may damage impeller. To drain pump, loosen

end cover screws.

SERVICE INSTRUCTIONS

Impeller Replacement: Remove end cover and gas-

ket. Pull impeller out by grasping hub or blades with pliers.

Replace impeller, gasket and end cover. A light coating of

grease in impeller bore will aid priming on dry start up. (Use

correct Jabsco gasket, a thicker or thinner gasket may

cause impeller damage.) Standard gasket in 0.010" thick.

Major Repair: Remove pump from engine to replace

seal, bearings or shaft. To disassemble pump, remove

end cover, gasket and impeller ar outlined above. Press

on impeller end of shaft to remove shaft and bearing

EXPLODED VIEW

PARTS LIST

Key Description Qty. Part No.

1Screw (End Cover) 6 91002-0020

2End Cover 1 11830-0000

*3 Gasket 1 5212-0000

*4 Impeller 1 1210-0001

*6 Seal (Shaft) 1 92700-0060

*7 O-Ring†192000-0210

8Screw (Cam) 1 91003-0090

9Cam Wearplate Assembly 1 5211-0000

10 Seal Spacer 1 3166-0000

11 Body 1

12 Adaptor Ring 1 3376-0000

13 Slinger 1 3286-0000

14 Shaft 1 18404-0000

15 Bearing Seal 1 92700-0060

16 Ball Bearing 1 92600-0130

17 Bearing Spacer 2 3383-0000

Service Kit 90033-0001

*Parts contained in Service Kit.

†O-ring used only in pumps manufactured prior to June, 1993.

assembly. Remove cam and wearplate assembly. Use

screw driver to pry bearing seal out of bearing bore. Press

shaft seal out towards impeller bore. Replace all worn

parts. When installing coupling, support splined end of

shaft. Press bearing seal in bearing bore with lip towards

bearing. Press shaft and bearing assembly into bearing

bore. Press adaptor ring into body. Install slinger on shaft.

Install seal spacer in seal cavity. Install O-ring in seal bore.

Press seal in seal cavity with lip facing toward impeller

bore. Apply a thin coat of sealant to top of cam and cam

screw threads, install wearplate and cam assembly. (Be

sure cam is flush with end cover surface.) Secure with

screw. Lubricate impeller bore, install impeller. Lubricate

impeller face, install gasket and end cover and secure

with screws.

MODEL 18400-0050

THE PRODUCTS DESCRIBED HEREIN ARE SUBJECT TO

THE JABSCO ONE YEAR LIMITED WARRANTY, WHICH

IS AVAILABLE FOR YOUR INSPECTION UPON REQUEST.

U.S.A.

Jabsco

1485 Dale Way, P.O. Box 2158

Costa Mesa, CA92628-2158

Tel: (714) 545-8251

Fax: (714) 957-0609

UNITED KINGDOM

Jabsco

Bingley Road, Hoddesdon

Hertfordshire EN11 OBU

Tel: +44 (0) 1992 450145

Fax: +44 (0) 1992 467132

CANADA

Fluid Products Canada

55 Royal Road

Guelph, Ontario N1H 1T1

Tel: (519) 821 -1900

Fax: (519) 821-2569

JAPAN

NHK Jabsco Company Ltd.

3-21-10, Shin-Yokohama

Kohoku-Ku, Yokohama, 222

Tel: 045-4758906

Fax: 045-475-8908

GERMANY

Jabsco GmbH

Oststrasse 28

22844 Norderstedt

Tel: +49-40-53 53 73 -0

Fax: +49-40-53 53 73 -11

PUMP FLOW CHART

Table of contents

Other JABSCO Water Pump manuals

JABSCO

JABSCO 36680-2 Series User manual

JABSCO

JABSCO 30510-0 Series User manual

JABSCO

JABSCO 777 Series User manual

JABSCO

JABSCO 30520-0001 User manual

JABSCO

JABSCO 31295 Series User manual

JABSCO

JABSCO 30910-0000 User manual

JABSCO

JABSCO 33745-0000 User manual

JABSCO

JABSCO 6400 Series User manual

JABSCO

JABSCO 37202-2712 User manual

JABSCO

JABSCO 11860-0005 User manual

JABSCO

JABSCO Puppy 12560-0001 User manual

JABSCO

JABSCO 52700 User manual

JABSCO

JABSCO 30510-3 Series User manual

JABSCO

JABSCO 30560-0 Series User manual

JABSCO

JABSCO VR050-2022 User manual

JABSCO

JABSCO 30520-5 Series User manual

JABSCO

JABSCO 2620 Series User manual

JABSCO

JABSCO 51510 Series User manual

JABSCO

JABSCO 36960-2 Series User manual

JABSCO

JABSCO 30520-1 Series User manual

JABSCO

JABSCO 11860 Series User manual

JABSCO

JABSCO CENTRI PUPPY 18510-000 Series User manual

JABSCO

JABSCO 59520 Series User manual

JABSCO

JABSCO 51270 Series User manual

Popular Water Pump manuals by other brands

Neptun

Neptun NPHW 5500 operating instructions

Sensidyne

Sensidyne Gilian BDX-II Operation & service manual

Draper

Draper 47808 instructions

Trolla

Trolla 12820 manual

Sunfab

Sunfab SVH Series installation guide

WilTec

WilTec 50740 Operation manual

Fieldmann

Fieldmann FVC 5015 EK user manual

Everbilt

Everbilt EFSUB5-122HD Use and care guide

Graco

Graco Husky 3300e manual

esotec

esotec 101018 operating manual

moyno

moyno 2000 CC Service manual

Becker

Becker BASIC VASF 2.80/1-0.AC230 operating instructions

Sykes AmeriPumps

Sykes AmeriPumps GP100M Operation and maintenance instructions

DUROMAX

DUROMAX XP WX Series user manual

BRINKMANN PUMPS

BRINKMANN PUMPS SBF550 operating instructions

Franklin Electric

Franklin Electric IPS Installation & operation manual

Xylem

Xylem e-1532 Series instruction manual

Milton Roy

Milton Roy PRIMEROYAL instruction manual