Bilge and Aerator Pump
Replacement Motor Cartridge
4620, 4622, 4624, 4623, 4625 Series
SAVE THESE INSTRUCTIONS
Form Number 69397 Rev. A 10-03
3
®
©2003 Attwood Corporation
1016 N. Monroe Street, Lowell, MI 49331-0260 www.attwoodmarine.com
WARNING
Read all instructions carefully before installing and using this product.
To prevent personal injury, disconnect the power source when installing
or servicing this product. Always remove the boat from the water before
using 120V AC power tools.
DO NOT use pump to remove gasoline, oil or other flammable liquids.
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, hull damage, and/or other
unsafe navigational conditions.
PRODUCT FEATURES
The Attwood Motor Cartridges are an easy solution for replacement
of an Attwood Cartridge Bilge or Aerator Pump. The Replacement
Motor Cartridges are interchangeable between same-capacity pumps
and aerator pumps. And you can replace the motor without changing
the hose or base installations.
The cartridges are color-coded to help you match cartridge size to the
pump or aerator:
To Remove Existing Cartridge
WARNING
If Aerator is installed thru-hull, BOAT MUST BE OUT OF THE
WATER to remove or replace motor cartridge.
The pump, plumbing and connections may be below the water level.
Removing the cartridge while the boat is in the water may result in
flooding and sinking of your boat.
1. Hold pump housing firmly. Depress motor cartridge tabs, then
twist cartridge counter-clockwise to remove.
12-Volt Cartridges
Product Number COLOR
500 Series 4620 RED
800 Series 4622 BLUE
1200 Series 4624 GRAY
24-Volt Cartridges
Product Number COLOR
800 Series 4623 BLUE
1200 Series 4625 GRAY
To Insert new motor cartridge
1. Check motor cartridge fit. Motor color must match housing color:
600 Series = RED, 800 = BLUE, 1200 = GRAY.
2. Coat O-ring with vegetable oil to ease insertion.
3. Insert cartridge into housing. Twist clockwise until you hear tabs
snap up into slot.
Figure 1
Lock
Motor
Cartridge Tab
Unlock
WARNING
To avoid leaking or sinking, the aerator RED TAB MUST BE
LOCKED AND VISIBLE through aerator housing slot.
ATTWOOD LIMITED WARRANTY
This Attwood Motor Cartridge carries a three (3) year warranty.
See product catalog or www.attwoodmarine.com for details.
Figure 2
Motor Cartridge
"O" Ring
Unlock Lock
Red Tab Red Tab
Must Be Extending Thru Slot
