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Thank you for purchasing this Whale® product. 

For over 60 years Whale® has led the way in the design and manufacturer of water and waste systems 
including:- plumbing, faucets, showers and pumps for low voltage applications. The company and its products have
built a reputation for quality, reliability and innovation backed up by excellent customer service. 

For information on our full product range visit: 

www.whalepumps.com

CONTENTS

1. 

Principles of Operation

2. Specification
3. Application
4. Warnings
5. Parts 

List

6. Optional 

Extras

7. Installation
8.

Maintenance

9. Trouble 

Shooting

10. Winterising
11. 

Service Support Details

12. 

EU Declaration of Conformity

13. Patents 

and 

Trademarks

14. Warranty

LIST OF IMAGES

Fig. 1

Through deck installation

Fig. 2

Incorrect installation

Fig. 3 

Typical installation diagram

Fig. 4     

Mounting arrangements for a standard model

Fig. 5     

Dimensions

Fig. 6

Discharge point is well above the water line

Fig. 7 

Deck fitting for Gusher Pumps (Half sectional elevation of deck fitting, pump and bracket)

Fig. 8     

Exploded diagram

Read the following carefully before installation

To the Fitter:

Check that the product is suitable for the intended application. Follow these installation instructions and ensure all 
relevant personnel read the points listed below. Also ensure that these operating instructions are passed on to the
end user. The manufacturer cannot be held responsible for claims arising from incorrect installation, unauthorised
modification or misuse of the product.

To the User: 

Read the following instructions carefully.

Whale Gusher

®

10 Mk3 Pump

BP3708 / BP3740

INSTALLATION & USER INSTRUCTIONS

1

Summary of Contents for Gusher 10 Mk3 BP3708

Page 1: ...g 1 Through deck installation Fig 2 Incorrect installation Fig 3 Typical installation diagram Fig 4 Mounting arrangements for a standard model Fig 5 Dimensions Fig 6 Discharge point is well above the water line Fig 7 Deck fitting for Gusher Pumps Half sectional elevation of deck fitting pump and bracket Fig 8 Exploded diagram Read the following carefully before installation To the Fitter Check tha...

Page 2: ...ion diagram Not suitable for pumping flammable liquids diesel chemicals etc Suitable for bilge water only With all applications it is important that a system of safe working practice is applied to installation use and maintenance Ensure the waste water system is drained before installation In order to securely fasten the unit ensure that the mounting surface is a minimum thickness of 18mm 45 64 as...

Page 3: ...sucking against a flat surface and allows the water level to be reduced to a minimum To minimise pumping effort site the pump halfway in height between the strumbox strainer and hull outlet Mount in a position with the shortest run lengths possible Use a reinforced hose on inlet to prevent collapsing during suction The Gusher 10 is designed for mounting on deck bulkhead BP3708 or through deck bulk...

Page 4: ...te of suitable thickness so that the backing plate plus the deck is at least the minimum thickness and no greater than 1 25mm Bond the backing plate to the deck If using Deck plate DP3804 the minimum deck thickness is 13mm 3 Position the pump under deck and check flow direction Work the rubber gaiter up through the hole until its flange rests on the deck Secure the 6 1 4 6mm countersunk mounting s...

Page 5: ...is checked annually for leaks and obstructions Optimal Performance Ensure this product is clear of debris It is recommended a service kit is kept on board These are available from your local chandlery Changing the Diaphragm and Valves 1 Slacken and remove the wormdrive clip to release the diaphragm 2 Release diaphragm nut and remove diaphragm plates and diaphragm 3 Replace old inlet and outlet val...

Page 6: ...Engineering Limited Bangor Northern Ireland trading as Whale Whale s policy is one of continuous improvement and we reserve the right to change specifications without prior notice Illustrations are for guidance purposes only Neither the accuracy nor completeness of the information contained in any Product brochure is guaranteed by the Company and may be subject to change at its sole discre tion Pl...

Page 7: ......

Page 8: ...Munster Simms Engineering Ltd 2 Enterprise Road Bangor N Ireland BT19 7TA Tel 44 0 28 9127 0531 whalepumps com info whalepumps com Ref No db_jw_G10_180 07_v3_0217 ...

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