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ELECTRIC WATER PUMP (EWP
INSTALLATION INSTRUCTIONS
EWP80, EWP115, EWP130, & EWP150 Kits
PLEASE READ ALL THESE INSTRUCTIONS THOROUGHLY BEFORE YOU START WORK.
DON'T RUSH - ENSURE YOU HAVE FULL UNDERSTANDING OF THE WORK AHEAD BEFORE YOU
COMMENCE. ENSURE YOU HAVE ALL TOOLS AND COMPONENTS REQUIRED.
Congratulations on your purchase of the Davies, Craig EWP
which is designed to replace or complement the existing belt driven mechanical water
pump. In addition with a Davies, Craig Digital Controller your thermostat can be
replaced. The major benefits of an Electric Water Pump (EWP
parasitic power losses running a mechanical water pump at any speed, reduction of
engine warm-up time and elimination of heat soak by running the EWP
engine shut down by operating the EWP
of the Davies, Craig Thermatic
providing the best coolant flow rate independent of engine speed.
EWP KIT CONTENTS .................................................................................................................................................... 2
SECTION 2: OPTIONS FOR PUMP CONTROL ...................................................................................................... 4
SECTION 3: DISABLE EXISTING MECHANICAL WATER PUMP .................................................................... 8
CAUTIONS ..................................................................................................................................................................... 11
P/No:18924 - EWP Kit Customer Instructions.
®
with the EWP/Fan Digital Controller, or one
®
Switches. Your new EWP
TABLE OF CONTENTS
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................................................................................................................. 3
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........................................................................................................................ 9
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ELECTRIC WATER PUMP ............................................................... 10
77 Taras Avenue
P.O. Box 363
Altona North
Vic 3025 Australia
Phone: +61(0)3 9369 1234
Fax:
+61(0)3 9369 3456
info@daviescraig.com.au
®
) KIT
®
Electric Water Pump Kit
®
) are, removal of the
®
after a hot
®
has the advantage of
Page 1 of 12
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Summary of Contents for Davies Craig EWP80
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Page 1: Table Of Contents
ELECTRIC WATER PUMP (EWP ) KIT INSTALLATION INSTRUCTIONS EWP80, EWP115, EWP130, & EWP150 Kits PLEASE READ ALL THESE INSTRUCTIONS THOROUGHLY BEFORE YOU START WORK. DON’T RUSH - ENSURE YOU HAVE FULL UNDERSTANDING OF THE WORK AHEAD BEFORE YOU COMMENCE. ENSURE YOU HAVE ALL TOOLS AND COMPONENTS REQUIRED. -
Page 2: Ewp Kit Contents
EWP115 Nylon Pump Short Self-Tapping Screw 8515 Wiring Harness Relay 18510 EWP Rubber Sleeve 3mm 18512 Hose Clamps 8526 EWP Hardware Bag EWP80 Nylon (12V) EWP Components Hardware Bag Components Part # Description Qty. Part # Description Qty. 8105 EWP Pump Short... -
Page 3: Section 1: Installing Your Ewp
EWP body. Six of the shorter Adaptor M5 Bolts (Part # 8507) should be used to attach the Adaptor to the EWP outlet. The remainder M5 bolts (Part # 8507 for EWP130) or (Part # 8514 for EWP80) can be used to attach the Adaptor to the EWP Inlet. -
Page 4: Section 2: Options For Pump Control
SECTION 2: OPTIONS FOR PUMP CONTROL ® 1. With EWP Fan Digital Controller, Part #8000 or Part #8020: ® We highly recommend the use of the EWP & Fan Digital Controller for maximum ® ® cooling efficiency. The EWP & Fan Controller will vary the EWP speed in response to the coolant temperature. - Page 5 ® OPTION 1: INSTALLING EWP & FAN DIGITAL CONTROLLER Part #8000 or Part #8020 ® NOTE: Wiring from EWP kit will not be required however retain for hard ® wiring the EWP during bleeding. 1. The Digital Controller must be fitted inside the passenger compartment. 2.
- Page 6 ® OPTION 2: USING THE EWP AS A BOOSTER PUMP Part #0401 or Part #0444 ® NOTE: This option when combined with a Davies, Craig Thermatic Switch, ® Part #0401 or Part #0444, will turn the EWP on at the temperature you set, to give additional flow to an overheating cooling system INSTALLING THERMAL SWITCH (Part #0401 OR #0444) 1.
- Page 7 OPTION 3: CONTINUOUS RUNNING (Recommended for race vehicles, very hot climate & cars running on LPG.) ® Continuous EWP operation may be required for some road or race engine applications, in some very hot climatic conditions and engines fitted with liquid petroleum/butane gas (LPG) conversion.
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Page 8: Section 3: Disable Existing Mechanical Water Pump
SECTION 3: DISABLE EXISTING MECHANICAL WATER PUMP Davies Craig has tailor made EWP Header-Adaptor Kits – visit the website for details, see image below (Part#8630). You may choose to by-pass the belt-driven water pump pulley by installing a shorter belt. This option may not be possible if the crank pulley drives a belt- driven power steering and fan or unless you replace the mechanical fan with a ®... -
Page 9: Section 4: Bleeding The Ewp
AIR POCKET INLET INLET Correct Pump Orientation Wrong Pump Orientation Figure 5: EWP80 Pump Orientation Diagram FOR ALL EWPS: 1. Fill the engine cooling system with appropriate coolant. 2. Turn heater on full. ® 3. With the radiator cap off, hardwire the EWP directly to the vehicle’s battery... -
Page 10: Section 5: Operating Your Ewp
SECTION 5: OPERATING YOUR EWP ELECTRIC WATER PUMP ® Start engine, confirm no leaks at radiator hoses and re-torque radiator hose clamps if required. Monitor the engine temperature, which should take longer than usual to reach steady state. If the ignition is left on (or if a turbo timer is connected) after a hot shut down, the pump will continue to run and prevent engine heat soak. -
Page 11: Cautions
Frequently Asked Questions are listed on our website www.daviescraig.com.au Davies Craig Pty Ltd appreciates customer feedback. Emails can be directed to info@daviescraig.com.au or telephone +61 (0) 3 9369 1234. - Page 12 WARRANTY We warranty that for a period of two years or 2000 hours continuous running (whichever is the lesser) from the date of purchase, we shall carry out, free of cost, any repairs that are reasonably necessary to correct any fault in the operation of your Electric Water Pump provided that such a fault is directly attributable to a defect in the workmanship or materials used in the manufacture of the part(s) and is not due to installation other than...