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Heavy Duty Bilge Pump
Installation Instructions
4030, 4060, 4031, 4061
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.
SAVE THESE INSTRUCTIONS
Form Number 69317 Rev. D 03/10
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.
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
.
MANUAL OPERATION
For manual operation of your bilge pump system, disregard the references to
Automatic Float Switch installation and operation.
Check the chart below to select the proper pump, fuse size, and thru-hull
connector for your boat application:
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.
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.
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.
REQUIRED FOR INSTALLATION
• Drill and suitable drill bits
• 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
• 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)
• Two insulated terminal connectors for 16-gauge wire
• Suitable materials to waterproof electrical connections
If automatic operation is desired:
• Attwood Automatic Float Switch, Part No. 4201 (with cover) or
4202 (without cover)
• Shim for float switch mounting
• Three additional #8 round-head stainless steel attaching screws
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)
• Hand-held roller
• Fiberglass—18 oz. (.5kg) mat or woven roving
• Polyester resin and catalyst
MOUNTING PREPARATION
Pump
Part Pump Amp Outlet Hose Thru-Hull
Number Model Volts Fuse Inside Dia. Connector
4030, 4031 HD1700 12VDC 10 1-1/8" (29mm) 3874
4060, 4061 HD2000 12VDC 12 1-1/8" (29mm) 3874
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.
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.
ABYC Specifications
13.6 volts DC
(GPH=Gallons Per Hour)
ISO Specifications
12.0 volts DC
(LPH=Liters Per Hour)
GPH LPH GPH LPH
Part Open Open 3' 3' Amp
No. Model Flow Flow Head Head Draw
4030, 4031 HD1700 1,700 6,450 1,300 4,920 6.0
4060, 4061 HD2000 2,000 7,600 1,550 5,867 8.0
The pumps can run dry for limited periods of time; however, doing so could
cause pump failure.
WARNING:
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.
Figure 1
1/2" (Minimum) Thick Mounting Pad
Hose
Thru-Hull Connector
Hose Clamp
Water
Line
•
•
•
•
•
•
Hull
•
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