Attwood 4202 User Manual

DO NOT use pump to remove gasoline, oil or other flammable liquids.  
Doing so could result in fire, explosion, and serious personal injury.  
®
Always use the fuse amperage rating specified for your pump model.  
Failure to do so could result in serious personal injury or fire hazards.  
3
4030, 4060, 4031, 4061  
Installation Instructions  
Attwood marine hardware, navigational lighting, bilge pumps, and other  
marine accessories are specified more than any other brand by America’s  
best-known boat manufacturers as original equipment. Look to Attwood for  
quality replacement parts and marine accessories.  
Attwood bilge pumps are designed to exhaust standing WATER ONLY.  
They are not intended to prevent rapid accumulation of on-board water  
due to rough weather, severe storms, hull damage, and/or other unsafe  
navigational conditions.  
Heavy Duty Bilge Pump  
Do not allow materials containing acetic acid (vinegar smell) such as  
silicone rubber sealant to contact the plastic parts of the pump. They  
may react with the plastic, causing cracks and pump failure.  
Notice:  
Discharge of oil prohibited. The Federal Water Pollution Control Act  
prohibits the discharge of oil or oily waste into the contiguous zone.  
Violators are subject to a penalty of $5,000.  
SAVE THESE INSTRUCTIONS  
Form Number 69317 Rev. D  
03/10  
REQUIRED FOR INSTALLATION  
Drill and suitable drill bits  
FEATURES  
Attwood Heavy Duty Bilge Pumps are the newest development in high output  
pumps. All models have a removable housing for simple installation and easy  
cleaning. They connect to 12-volt D.C. systems only. There are two ways to  
configure your Heavy Duty Bilge Pump – Automatic Operation or Manual  
Operation. The bilge pump system can be converted to fully-automatic  
operation by installing the Attwood Automatic Float Switch, Part No. 4201  
or 4202.  
Screwdriver and four #8 stainless steel pan head screws  
Attwood thru-hull connector of appropriate size (if not already installed  
on boat; see chart)  
Marine sealant  
1-1/8" (29mm) inside diameter smooth-bore hose of suitable length  
Two appropriate hose clamps  
16-gauge wire, brown  
AUTOMATIC OPERATION  
All boats over 20' (6.1 m) in length which have sleeping accommodations  
(excluding fold-out cockpit seats) require automatic bilge pump systems. For  
fully-automatic operation, follow the AUTOMATIC FLOAT SWITCH INSTAL-  
LATION and AUTOMATIC OPERATION WIRING instructions.  
16-gauge wire, black  
Attwood 2-Way Dash-Mounted Control Switch (Part No. 7615), 3-Way  
Switch (Part No. 7615A)  
Fuse holder and appropriate fuse (see chart)  
MANUAL OPERATION  
For manual operation of your bilge pump system, disregard the references to  
Automatic Float Switch installation and operation.  
Two insulated terminal connectors for 16-gauge wire  
Suitable materials to waterproof electrical connections  
Check the chart below to select the proper pump, fuse size, and thru-hull  
connector for your boat application:  
If automatic operation is desired:  
Attwood Automatic Float Switch, Part No. 4201 (with cover) or  
4202 (without cover)  
Pump  
Part  
Number  
Pump  
Model  
Amp  
Fuse  
Outlet Hose  
Inside Dia.  
Thru-Hull  
Connector  
Shim for float switch mounting  
Volts  
Three additional #8 round-head stainless steel attaching screws  
4030, 4031  
4060, 4061  
HD1700  
HD2000  
12VDC  
12VDC  
10  
12  
1-1/8" (29mm)  
1-1/8" (29mm)  
3874  
3874  
The following materials are needed if no pump mounting pad is in place:  
• 1/2" (1.27 cm) thick marine plywood block large enough to mount pump  
(and automatic float switch, if used)  
Recommendations are based on amount of gallons exhausted per hour  
(GPH). GPH measurements are typical of production pumps tested using  
smooth-bore hoses, at 0' head. “Head” refers to the vertical distance between  
the pump nozzle and the water discharge location. GPH is reduced as head is  
increased.  
• Hand-held roller  
• Fiberglass—18 oz. (.5kg) mat or woven roving  
• Polyester resin and catalyst  
The chart below shows gallons and liters per hour ratings for 0' head and 3'  
(91.4 cm) head. GPH/LPH may also vary depending on power source, hose  
type, and other variables.  
MOUNTING PREPARATION  
Figure 1  
ISO Specifications  
12.0 volts DC  
(LPH=Liters Per Hour)  
ABYC Specifications  
13.6 volts DC  
(GPH=Gallons Per Hour)  
Thru-Hull Connector  
GPH  
Open  
Flow  
LPH  
Open  
Flow  
GPH  
3'  
Head  
LPH  
3'  
Head  
Part  
No.  
Amp  
Draw  
Model  
Hose Clamp  
4030, 4031  
4060, 4061  
HD1700  
HD2000  
1,700  
2,000  
6,450  
7,600  
1,300  
1,550  
4,920  
5,867  
6.0  
8.0  
Hose  
The pumps can run dry for limited periods of time; however, doing so could  
cause pump failure.  
Water  
Line  
WARNING:  
Hull  
To prevent personal injury, always disconnect the power source when  
installing or servicing any electrical product. Remove vessel from water  
when using any 110/120 or 220 Volt AC power tools.  
1/2" (Minimum) Thick Mounting Pad  
4. Connect the spliced leads to the ”Manual” terminal of the three-way switch.  
3. Inspect impeller chamber and motor shaft behind impeller. Remove any  
foreign objects.  
Important:  
Although the switch is submersible, the lead wires must terminate in a  
waterproof connection. Mount wires above the highest possible water mark  
to prevent electrolysis damage to the boat.  
4. Inspect “O” ring on lower chamber for nicks, cuts or other damage. Apply a  
light coat of petroleum jelly to “O” ring surface.  
5. With three-way switch on AUTO, test float switch by gently raising the  
5. Assemble chamber into motor housing. Ensure “O” ring is in retaining  
groove and alignment pin is in pin receptacle next to locking button.  
float. Pump should activate with float up, and deactivate with float down.  
6. Install and tighten retaining screws.  
See figure 4  
7. Attach motor housing to pump base by aligning four retaining tabs and  
twisting clockwise until lock button snaps into place.  
6. Test pump by ensuring that pump turns on when water level is above float  
switch, and shuts off when water level is pumped below float switch. Cycle  
the pump with water in the bilge several times to ensure that the system is  
functioning properly.  
Figure 5  
2-Way Switch On/Off  
HD 1700: 10 Amp Rating  
HD 2000: 12 Amp Rating  
On  
Off  
Brown Wire  
72" (183mm)  
Maximum  
Length From (+)  
Terminal To  
Fuse Holder  
HD 1700: 10 Amp Fuse  
HD 2000: 12 Amp Fuse  
+
Black Wire  
12 Volt Battery  
ATTWOOD HEAVY DUTY BILGE PUMP LIMITED WARRANTY:  
ATTWOOD CORPORATION, 1016 North Monroe, Lowell, Michigan 49331,  
(‘Attwood’) warrants to the original consumer purchaser that this Attwood  
Bilge Pump will be free from defects in materials and workmanship under  
normal use and service for:  
WIRING INSTRUCTIONS FOR MANUAL OPERATION  
1. Splice suitable lengths of brown and black 16-gauge wire to existing pump  
wiring, enough to reach ON/OFF/ switch and battery.  
Recreational/Pleasure Boats — A period of three (3) years from the date of  
original consumer purchase.  
2. Using insulated terminal connectors, connect positive lead (brown) to the  
ON/OFF switch. Connect negative lead (black) to ground.  
Commercial Boats — A period of one (1) year from the date of original  
consumer purchase.  
3. In a location easily accessible for changing fuses, splice fuse holder into  
positive lead (brown). The fuse holder must be installed within 72" (183 cm)  
of the positive (+) battery terminal.  
This warranty does not extend to any batteries or fuses used with the pump.  
This limited warranty is not applicable if the bilge pump has been damaged  
by accident, improper installation, unreasonable use, lack of proper  
maintenance, unauthorized repairs or modifications, or other causes not  
arising out of defects in materials or workmanship. Attwood’s obligations  
under this warranty are limited to repair of the product at Attwood’s plant or  
replacement of the product at Attwood’s option and at Attwood’s expense.  
Any expenses involved in the removal, reinstallation, or transportation of the  
product are not covered by this warranty. The product must be returned to  
Attwood’s plant at the address indicated above postage prepaid, with proof  
of original purchase including date. If Attwood is unable to replace the bilge  
pump and repair is not commercially practicable or cannot be timely made, or  
if the original consumer purchaser is willing to accept a refund in lieu of repair  
or replacement, Attwood may refund the purchase price, less an amount for  
depreciation. The acceptance by Attwood of any product returned or any  
refund provided by Attwood shall not be deemed an admission that the  
product is defective or in violation of any warranty.  
4. To check system, feed water into the pump. If flow appears to be too low,  
make sure wires have been connected properly: brown-to-positive (switch),  
and black-to-negative.  
Figure 6  
L
O
C
K
Impeller  
Motor Housing  
THIS WARRANTY IS ATTWOOD’S ONLY EXPRESS WARRANTY OF  
THIS PRODUCT. NO IMPLIED WARRANTY SHALL EXTEND BEYOND  
ONE (1) YEAR FROM THE DATE OF ORIGINAL CONSUMER PURCHASE.  
ATTWOOD SHALL NOT BE LIABLE FOR ANY DAMAGES FOR LOSS OF  
USE OF THIS PRODUCT, NOR FOR ANY OTHER INCIDENTAL OR  
CONSEQUENTIAL DAMAGES, COSTS OR EXPENSES.  
Locking Button  
O-Ring  
Pump Chamber  
Some states do not allow limitations on how long an implied warranty lasts or  
the exclusion or limitation of incidental or consequential damages, so the  
above limitations and exclusions may not apply to you. This warranty gives  
you specific legal rights and you may have other rights which may vary from  
state to state.  
CLEANING INSTRUCTIONS  
1. To remove the motor housing from base: Depress the locking button and  
twist motor housing counter-clockwise.  
2. Remove three retaining screws that attach pump chamber to motor  
housing. Remove chamber.  
© 2003 Attwood Corporation  
1016 N. Monroe Street, Lowell, MI 49331-0260 www.attwoodmarine.com  

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