Attwood 4640 Installation Instructions

3
Tsunami Aerator Pump

Installation Instructions

SAVE THESE INSTRUCTIONS
Form Number 69391 Rev. A
DANGER
If Aerator is installed thru-hull, remove boat from water to service
this pump. Do not use this pump to remove gasoline or other
flammable liquids.
WARNING
Most of the aerator pump, plumbing and connections are below the
water level. Do not attempt to install, adjust, service or remove this
product while the boat is in the water. Failure to follow these instructions
could result in a large volume of water flooding and sinking your boat.
Any leak will allow water to enter the boat.
To prevent personal injury, always disconnect the power source when
installing or servicing any electrical product.
Use the fuse amperage rating specified for your model pump.
Refer to Specification and Accessories Charts to be sure you have
selected the proper components:
Specifications Chart
12-Volts DC ABYC Specifications
(GPH = Gal. Per Hour) (LPH = Liters Per Hour)
0 ft.
Hole Head
Part Saw Amp GPH/
Num. Series Size Fuse amps
4640 500 1-1/8" 2.5A 500/1.8 440/1.8 265/1.8 1705/1.5 1420/1.5 10' 5"/30
4650 800 1-1/8" 4A 800/3.0 670/3.0 525/3.0 2900/2.6 2350/2.6 14'/35
4660 1200 1-3/8" 5A 1200/3.5 900/3.5 700/3.5 4320/3.4 3145/3.4 10' 5"/26
Accessories Chart
A. B. C.
3/4" O.D. Outlet Models
Inlet 3/4" 3/4" O.D. Threaded
Part Hose Inlet Hose Thru
Num. Series I.D. Connector Hull
4640 500 3/4" 3899 66547
4650 800 3/4" 3899 66547
1-3/8" O.D. Outlet Models
1-1/8"
Inlet 1-1/8" O.D.
Part Hose Inlet Hose Thru
Num. Series I.D. Connector Hull
4660 1200 1-1/8" 3902 66548
MOUNTING LOCATIONS
1. The aerator can be mounted directly through the transom, at least
2" (51mm) below the static water line. (Figure 1)
®
ISO Specifications
@13.6 VDC @12.0 VDC
3.3 ft 6.7 ft 0kPa 10kPa
Head Head Head Head
GPH/ GPH/ LPH/ LPH/
amps amps amps amps
D. E. F. G.
3/4"
S.S.
Outlet Remote Inlet Spray
Connector Bracket Strainer Head
3890, 90˚ 4122 4232 4125
3890, 90˚ 4122 4232 4125
1-3/8"
Threaded S.S.
Outlet Remote Inlet Spray
Connector Bracket Strainer Head
3902, 90° 4121 4234 4127
Figure 1
Allow Clearance to
Access Hose Clamp
and Locking Tab
Outlet
Connector
10-03
1/8" (3mm) Min.
1 7/16" (37mm) Max.
2. The aerator can also be remotely installed on a marine-plywood
mounting pad. This requires an Attwood Remote Bracket — see
Accessories Chart for size. (Figure 2)
Figure 2
Outlet
Connector
Remote Bracket
Suitable Mounting Pad
IMPORTANT: To avoid airlock, do not allow dips or sharp bends in
outlet or inlet hoses.
DIRECT MOUNTING INSTRUCTIONS
Max
See Accessories Chart for size / part number of Outlet Hose Connector.
Head
(ft.@13.6v/ 1. With boat out of the water, select a suitable location at least 2"
kPa@12v) (51mm) below the water line. Use a hole saw (See Specification
Chart for size — compare against aerator inlet) to drill a hole
through the transom. (Figure 1)
2. Apply polyurethane marine sealant (Boat-Life Lifeseal
to the nut and to threaded side of the aerator flange.
3. Install the aerator inlet through the transom and assemble the nut.
Tighten the nut handtight. Use wrench to tighten 1/2 additional turn.
H.
WARNING
DO NOT EXCEED these tightening specifications.
4. Install Attwood 90° Outlet Connector to the aerator outlet. Tighten
Replacement
the fitting handtight, then 1/4 to 1/2 additional turn with wrench.
Motor
5. Use an Inlet Strainer to avoid clogging of the pump.
Cartridge
REMOTE MOUNTING INSTRUCTIONS
4620
See Accessories Chart for sizes / part numbers of Thru-Hull, Bracket,
4622
and Inlet Hose.
1. With boat out of water, install Thru-Hull Connector through the
transom. (Figure 2)
Replacement
CAUTION: DO NOT drill through the bottom of the boat when installing
Motor
Remote Bracket.
Cartridge
2. Attach Remote Bracket to the mounting pad by drilling two 1/8"
4624
(3mm)-diameter pilot holes and fastening with two #8 stainless
steel pan head screws. Position aerator on Bracket so pump outlet
is pointed straight up.
3. Complete outlet fitting and hose connection as described above.
4. Connect a length of reinforced, smooth bore Inlet Hose from the
Thru-Hull to the aerator Inlet Hose Connector. Use a hose clamp
at each end of the hose.
Transom
2" (51mm) Minimum
Inlet Strainer (optional)
3/8" (10mm)Thread
Allow Clearance to
Access Hose Clamp
and Locking Tab
Inlet Hose Connector
Inlet Hose
(NO DIPS IN HOSE)
Transom
2" (51mm)
Minimum
Inlet Strainer
3/8" (10mm)
Thread
Thru-Hull
Connector
® or equivalent)