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THE PRODUCTS DESCRIBED HEREIN ARE SUBJECT TO
THE JABSCO ONE YEAR LIMITED WARRANTY, WHICH
IS AVAILABLE FOR YOUR INSPECTION UPON REQUEST.

PARTS LIST

37201/37202-SERIES

KEY

DESCRIPTION

PART NUMBER

QTY.

1

Motor Kit 12 Vdc

30201-0000

1

1

Motor Kit 24 Vdc

30200-0040

1

2

Motor Mount

35797-0000

1

7

Connecting Rod Kit

30040-0000*

1

8

Diaphragm Plate

35688-0000

2

9

Diaphragm

37174-0000*

1

10

Retainer

35788-0000

1

10a

Valve Retaining Plate

35816-0000

1

11

Valve Set (Inlet & Outlet)

30005-0000*

1 Set

12

Base

35795-0000

1

15

Pulsation Dampener

37179-0000*

1

17

Bottom Plate

35798-0000

1

21

Hardware Kit

37168-0000

1 Set

Service Kit

37182-0000

* Indicates Parts Contained in Service Kit.
NOTE 1 – For Model 37201-0000 Use Replacement 

Motor Number 30202-0000 (12 Volt only).

NOTE 2 – For Model 37201-0000 Use 2 Each

35983-0000 Diaphragm Plates.

SERVICE

TROUBLE SHOOTING

Problems

Causes

Loss of suction to pump:

- Air leak in suction line.
- Bilge pickup not submerged.
- Intake hose kinked or plugged.
- Fouled intake or discharge valve.
- Ruptured diaphragm.

Rough or noisy operation:

- Intake or discharge hose kinked 

or plugged.

- Pump not mounted firmly.
- Loosened eccentric set screw or

worn connecting rod bearing.

- Ruptured or collapsed pulsation

dampener.

VALVE REPLACEMENT

1. Turn off power to pump. Remove four tie down bolts.
2. Expose valves by lifting motor mount and the attached

diaphragm assembly from pump base.

3. Remove and clean or replace valves.
4. Install valves, making sure rubber flapper is UP on intake and

DOWN on discharge. Replace valve retaining plate.

5. Replace motor-mount-diaphragm assembly and fasten

evenly to base with the four tie down bolts.

DIAPHRAGM AND CONNECTING ROD REPLACEMENT

1. Turn off power to pump. Remove four motor mount tie down bolts.
2. Lift motor mount and the attached diaphragm assembly from

pump base.

3. Remove two diaphragm retainer screws and the diaphragm retainer.
4. Pull connecting rod assembly and diaphragm from motor

mount; then, unscrew bolt to separate diaphragm plates.

5. Loosely reassemble new diaphragm, diaphragm plates,

washer and diaphragm bolt onto new connecting rod assembly.

6. Slide connecting rod on shaft. Ensure that eccentric is firmly

seated on motor shaft and tighten set screw firmly against flat
side of shaft.

7. Loosely reassemble diaphragm, diaphragm plates, washer

and diaphragm bolt onto connecting rod. Tighten connecting
rod bolt while maintaining alignment of rod bearing eccentric.
NOTICE: Avoid misalignment or twisting of rod on eccentric
shaft or excessive bearing wear will result.

PULSATION DAMPENER REPLACEMENT

1. Disconnect power leads from pump and remove from mount.

Remove four tie down bolts.

2. Remove bottom plate screw and the bottom plate. Pull out

and replace pulsation dampener; position the 3-ribbed cavity
on discharge side.

3. Replace bottom plate and screw. Tighten evenly to base with

the four tie down bolts.

4. Reinstall pump and reconnect power leads.

PUMPGARD REPLACEMENT PARTS

Part Description

Part Number

Screen Replacement

36139-000

O-Ring Seal

36403-0000

**Indicates items included in Hardware Kit (Key 21)

EXPLODED
VIEW

17

**

**

**

15

12

11

10a

10

**

8

9

2

1

7

© Copyright 2001, ITT Industries                           Printed in U.S.A.

All Rights Reserved

Form: 43000-0110

Rev. 1/2001

U.S.A.
Jabsco
20 Icon
Foothill Ranch, CA 92610-3000
Tel:

949.609.5106

Fax: 949.859.1254

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:

045.475.8906

Fax: 045.475.8908

GERMANY
Jabsco GmbH
Oststrasse 28
22840 Norderstedt
Tel:

+49-40-53 53 73 -0

Fax: +49-40-53 53 73 -11

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