Twin Tank 2 HP air
comPressor
65410
seT uP and oPeraTing insTrucTions
Visit our website at: http://www.harborfreight.com
read this material before using this product.
Failure to do so can result in serious injury.
saVe THis manual.
©
®
Copyright 2008 by Harbor Freight Tools . All rights reserved. No portion of this manual or any artwork
contained herein may be reproduced in any shape or form without the express written consent of
Harbor Freight Tools. Diagrams within this manual may not be drawn proportionally. Due to continuing
improvements, actual product may differ slightly from the product described herein. Tools required for
assembly and service may not be included.
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an increased risk of electric shock if
your body is grounded.
This enables better control of the tool
in unexpected situations.
c.do not expose tools to rain or wet
conditions. Water entering a tool
will increase the risk of electric shock.
e.dress properly. do not wear loose
clothing or jewelry. keep your
hair, clothing and gloves away
from moving parts. Loose clothes,
jewelry or long hair can be caught in
moving parts.
d.do not abuse the cord. never use
the cord for carrying, pulling or
unplugging the tool. keep cord
away from heat, oil, sharp edges or
moving parts. Damaged or entan-
gled cords increase the risk of electric
shock.
f. only use safety equipment that
has been approved by an appropri-
ate standards agency. Unapproved
safety equipment may not provide
adequate protection. Eye protection
must be ANSI-approved and breath-
ing protection must be NIOSH-ap-
proved for the specific hazards in the
work area.
e.if operating a tool in a damp loca-
tion is unavoidable, use a ground
Fault circuit interrupter (gFci)
protected supply. Use of a GFCI
reduces the risk of electric shock.
f. do not use an extension cord with 4. Tool use and care
this product.
a.do not force the tool. use the
correct tool for your application.
The correct tool will do the job better
and safer at the rate for which it was
designed.
3. Personal safety
a.stay alert, watch what you are do-
ing and use common sense when
operating this tool. do not use
this tool while you are tired or un-
der the influence of drugs, alcohol
or medication. A moment of inatten-
tion while operating tools may result
in serious personal injury.
b.do not use the tool if the switch
does not turn it on and off. Any
tool that cannot be controlled with
the switch is dangerous and must be
repaired.
c.disconnect the plug from the
power source of the tool before
making any adjustments, changing
accessories, or storing tools. Such
preventive safety measures reduce
the risk of starting the tool acciden-
tally.
b.use personal protective equip-
ment. always wear eye protection.
Safety equipment such as dust mask,
non-skid safety shoes, hard hat, or
hearing protection used for appropri-
ate conditions will reduce personal
injuries.
d.store idle tools out of the reach of
children and do not allow persons
unfamiliar with the tool or these
instructions to operate it. Tools are
dangerous in the hands of untrained
users.
c.Prevent unintentional starting.
ensure the switch is in the off-po-
sition before connecting to power
source or moving the tool.
d.do not overreach. keep proper
footing and balance at all times.
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e.maintain tools. check for mis-
alignment or binding of moving
parts, breakage of parts and any
other condition that may affect the
tool’s operation. if damaged, have
the tool repaired before use. Many
accidents are caused by poorly main-
tained tools.
4. Do not use to supply breathing air.
5. Do not direct air flow from the Com-
pressor at people or animals.
6. Industrial applications must follow
OSHA requirements.
7. Maintain labels and nameplates on
the tool. These carry important safety
information. If unreadable or miss-
ing, contact Harbor Freight Tools for a
replacement.
f. use the tool in accordance with
these instructions, taking into ac-
count the working conditions and
the work to be performed. Use of
the tool for operations different from
those intended could result in a haz-
ardous situation.
8. Avoid unintentional starting. Prepare
to begin work before turning on the
tool.
5. service
9. Do not leave the tool unattended
when it is plugged into an electrical
outlet. Turn off the tool, and unplug it
from its electrical outlet before leav-
ing.
a.Have your tool serviced by a quali-
fied repair person using only iden-
tical replacement parts. This will
ensure that the safety of the tool is
maintained.
10. This product is not a toy. Keep it out
of reach of children.
air compressor safety warnings
11. WARNING: The brass components
of this product contain lead, a chemi-
cal known to the State of California
to cause birth defects (or other repro-
ductive harm). (California Health &
Safety code § 25249.5, et seq.)
1. Risk of fire or explosion - do not
spray flammable liquid in a confined
area or towards a hot surface. Spray
area must be well-ventilated. Do not
smoke while spraying or spray where
spark or flame is present. Arcing
parts - keep compressor at least 20
feet away from explosive vapors,
such as when spraying with a spray
gun.
12. People with pacemakers should
consult their physician(s) before use.
Electromagnetic fields in close prox-
imity to heart pacemaker could cause
pacemaker interference or pacemak-
er failure. In addition, people with
pacemakers should:
2. Risk of bursting - do not adjust
regulator to result in output pressure
greater than marked maximum pres-
sure of attachment.
• Avoid operating alone.
• Do not use with power switch locked
on.
• Properly maintain and inspect to
avoid electrical shock.
• Any power cord must be properly
grounded. Ground Fault Circuit Inter-
3. Risk of injury - do not direct air
stream at body. To reduce the risk of
electric shock, do not expose to rain.
Store indoors.
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rupter (GFCI) should also be imple-
mented – it prevents sustained elec-
trical shock.
saVe THese
insTrucTions.
13. Some dust created by power sand-
ing, sawing, grinding, drilling, and
other construction activities, contains
chemicals known [to the State of Cali-
fornia] to cause cancer, birth defects
or other reproductive harm. Some
examples of these chemicals are:
• Lead from lead-based paints
grounding
To PreVenT
elecTric sHock
and deaTH From
incorrecT grounding
wire connecTion:
Check with a qualified
electrician if you are in doubt
as to whether the outlet is
properly grounded. do not
modify the power cord plug
provided with the tool. never
remove the grounding prong
from the plug. do not use the
tool if the power cord or plug
is damaged. if damaged, have
it repaired by a service facility
before use. if the plug will not
fit the outlet, have a proper
outlet installed by a qualified
electrician.
• Crystalline silica from bricks and ce-
ment or other masonry products
• Arsenic and chromium from chemi-
cally treated lumber
Your risk from these exposures var-
ies, depending on how often you do
this type of work. To reduce your
exposure to these chemicals: work in
a well ventilated area, and work with
approved safety equipment, such as
those dust masks that are specially
designed to filter out microscopic
particles. (California Health & Safety
Code § 25249.5, et seq.)
14. WARNING: Handling the cord on
this product will expose you to lead,
a chemical known to the State of
California to cause cancer, and birth
defects or other reproductive harm.
Wash hands after handling. (Califor-
nia Health & Safety Code § 25249.5,
et seq.)
grounded Tools: Tools with Three
Prong Plugs
15. The warnings, precautions, and in-
structions discussed in this instruction
manual cannot cover all possible con-
ditions and situations that may occur.
It must be understood by the operator
that common sense and caution are
factors which cannot be built into this
product, but must be supplied by the
operator.
1. Tools marked with “Grounding Re-
quired” have a three wire cord and
three prong grounding plug. The
plug must be connected to a properly
grounded outlet. If the tool should
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electrically malfunction or break
down, grounding provides a low
resistance path to carry electricity
away from the user, reducing the risk
of electric shock. (see 3-Prong Plug
and outlet.)
2. The grounding prong in the plug is
connected through the green wire in-
side the cord to the grounding system
in the tool. The green wire in the cord
must be the only wire connected to
the tool’s grounding system and must
never be attached to an electrically
“live” terminal. (see 3-Prong Plug
and outlet.)
3. The tool must be plugged into an
appropriate outlet, properly installed
and grounded in accordance with all
codes and ordinances. The plug and
outlet should look like those in the
preceding illustration. (see 3-Prong
Plug and outlet.)
symbology
Double Insulated
Canadian Standards Association
Underwriters Laboratories, Inc.
Volts Alternating Current
V~
Amperes
a
n xxxx/min.
No Load Revolutions per Minute
(RPM)
0
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note: For additional information regarding
the parts listed in the following pages,
refer to the Assembly Diagram near
the end of this manual.
sPeciFicaTions
Electrical Requirements 120 V~ / 60 Hz / 14 A
Air Hose Connection
1/4” 18 NPT
Maximum Air Pressure 115 PSI
assembly
Air Tank Capacity
Air Flow Capacity
Oil Tank Capacity
Oil Type
5 Gallons
1. Thread the Air Filter (44) onto the
Cylinder Head (45), as shown below.
5 SCFM @ 90 PSI
7.8 SCFM @ 40 PSI
1/2 Quart
connect air
Filter (44)
here
30W Non-Detergent
Compressor Oil
Sound Level
98 dB @ 3’
2 HP
Motor
unPacking
When unpacking, make sure that the
item is intact and undamaged. If any parts
are missing or broken, please call Harbor
Freight Tools at the number shown on the
cover of this manual as soon as possible.
insTrucTions For
PuTTing inTo use
air connection
(47)
2. Connect a 1/4” NPT air hose (rated
165 PSI or higher) to the air connec-
tion (47). The air hose must be long
enough to reach the work area with
enough extra length to allow free
movement while working.
read the enTire imPorTanT
saFeTY inFormaTion
section at the beginning of this
manual including all text under
subheadings therein before set
up or use of this product.
3. Incorporate an in-line oiler, shut-off
valve, regulator with pressure gauge,
and filter for best service, as shown in
the diagram below. An in-line shutoff
valve is an important safety device
because it controls the air supply
even if the air hose is ruptured.
To PreVenT
serious injurY
From accidenTal
oPeraTion:
Turn the Power switch of the
tool to its “oFF” position and
unplug the tool from its
electrical outlet before
assembling or making any
adjustments to the tool.
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3. Close the in-line safety valve be-
tween the compressor and the tool.
male
connector
male
connector
4. Connect an air hose rated to the
intended PSI that will be used with
the tool to the Air Connection (47).
The air hose must be long enough
to reach the work area with enough
extra length to allow free movement
while working.
Tool
Quick
coupler
air Hose
on reel
Valve
Filter
oiler
air
5. Plug the Power Cord into a grounded
120 V electrical outlet. Do not use an
extension cord with this product.
compressor
Quick
coupler
regulator with
Pressure gauge
6. Pull the Power Switch up to turn it on.
recommended air line components
Pressure
Power
Pressure
Valve
regulator
(48)
switch
oPeraTing insTrucTions
read the enTire imPorTanT
saFeTY inFormaTion
section at the beginning of this
manual including all text under
subheadings therein before set
up or use of this product.
To PreVenT
serious injurY
From accidenTal
oPeraTion:
Turn the Power switch of the
tool to its “oFF” position and
unplug the tool from its
electrical outlet before
performing any inspection,
maintenance, or cleaning
procedures.
Tool
Pressure
gauge
Tank
Pressure
gauge
7. Allow the Air Compressor to build up
pressure until it cycles off.
1. Make sure the air tool’s throttle or
switch is in the off position.
8. Open the Pressure Valve.
2. Connect the tool that will be used for
the job to the airline.
9. Adjust the air compressor’s Regula-
tor so that the air output is enough
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to properly power the tool, but the
output will not exceed the tool’s
maximum air pressure at any time.
Turn the knob clockwise to increase
pressure and counter-clockwise to
decrease pressure. Adjust the pres-
sure gradually, while checking the air
output gauge to set the right pressure
range.
drain Valve
10. The Air Compressor will cycle up to
115 PSI before shutting off. It will
start to build pressure again when the
PSI of the Compressor drops to 85
PSI.
15. Disconnect the air hose and tool.
16. To prevent accidents, disconnect its
power supply after use. Clean, then
store the tool indoors out of children’s
reach.
11. After the job is complete, move the
Power Switch to the OFF position.
12. Close the Pressure Valve.
13. Pull down on the Safety Valve under-
neath the Gauges to release pres-
sure. Squeeze the Trigger of the air
tool to release pressure from the line
safety Valve
(51)
14. Turn the Drain Valve at the bottom
of the Tank two turns to release any
built-up moisture. Close the valve
after moisture has drained out. Do
not remove the Drain Valve.
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be replaced only by a qualified
service technician.
mainTenance and
serVicing
Please read THe Following
careFullY
Procedures not specifically
explained in this manual
must be performed only by a
qualified technician.
THE MANUFACTURER AND/OR DISTRIBUTOR
hAS PRovIDED thE PARtS LISt AND
ASSEMbLy DIAgRAM IN thIS MANUAL AS
A REfERENCE tooL oNLy. NEIthER thE
MANUFACTURER OR DISTRIBUTOR MAKES
ANY REPRESENTATION OR WARRANTY OF
ANY KIND TO THE BUYER THAT HE OR SHE
IS qUALIfIED to MAkE ANy REPAIRS to thE
PRoDUCt, oR thAt hE oR ShE IS qUALIfIED
to REPLACE ANy PARtS of thE PRoDUCt.
IN FACT, THE MANUFACTURER AND/OR
DIStRIbUtoR ExPRESSLy StAtES thAt
ALL REPAIRS AND PARtS REPLACEMENtS
ShoULD bE UNDERtAkEN by CERtIfIED
AND LICENSED tEChNICIANS, AND Not by
thE bUyER. thE bUyER ASSUMES ALL RISk
AND LIAbILIty ARISINg oUt of hIS oR hER
REPAIRS to thE oRIgINAL PRoDUCt oR
REPLACEMENt PARtS thEREto, oR ARISINg
oUt of hIS oR hER INStALLAtIoN of
REPLACEMENt PARtS thEREto.
To PreVenT
serious injurY
From accidenTal
oPeraTion:
Turn the Power switch of the
tool to its “oFF” position and
unplug the tool from its
electrical outlet before
performing any inspection,
maintenance, or cleaning
procedures.
To PreVenT serious
injurY From Tool
Failure:
do not use damaged
equipment. if abnormal noise
or vibration occurs, have the
problem corrected before
further use.
cleaning, maintenance, and
lubrication
1. BeFore eacH use, inspect the
general condition of the tool. Check
for loose screws, misalignment or
binding of moving parts, cracked or
broken parts, damaged electrical wir-
ing, and any other condition that may
affect its safe operation.
2. aFTer use, clean external surfaces
of the tool with clean cloth.
3.
warning! if the supply cord of
this power tool is damaged, it must
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Troubleshooting
Problem
Overheating
Possible causes
1. Poor ventilation.
likely solutions
1. Move the compressor to an area with better
air circulation.
2. Dirty cooling surfaces.
2. Clean compressor.
3. Compressor undersized for
application.
3. Check air requirements of tools.
Compressor
operates, but with
low air output
1. Valve or regulator loose or
leaking.
1. Repair leaks.
2. Valve or regulator damaged.
2. Have valve or regulator repaired by a
qualified technician.
3. Air tank not pressurized yet.
Incorrect pressure 1. Pressure gauge worn or
gauge reading damaged.
3. Allow pressure to build.
1. have pressure gauge replaced by a qualified
technician.
Follow all safety precautions whenever diagnosing or servicing the
tool. disconnect air supply before service.
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ParTs lisT
ParTs lisT
Part
1
description
Part
37
description
Cowl
Oil Gasket
2
3
4
5
6
7
8
9
Spring Washer
Washer
Pan Head Screw M5x14
Fan
Screw M5x15
Motor Rear Cover
Wave Washer
Bearing
Stator Assembly
Rotor Assembly
Capacitor
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
Seal Ring
Valve Plate Gasket
Valve Plate Assembly
Air Intake Valve
Limit Pin
Cylinder Head Gasket
Air Filter
Cylinder Head
Elbow Connector
Coupler
Pressure Regulator
Tool Pressure Gauge
Connector
Safety Valve Assembly
Pressure Switch Assembly
Tank Pressure Gauge
Hex Head Screw M6x25
Washer 6
Washer 6
Nut M6
Tank Assembly
Nut M8
Washer 8
Handle Sleeve
Washer 8
Hex Head Screw M8x40
Drain Valve
Nut
Rubber Foot
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
Bearing
Oil Seal
Nut M8
Crankcase
Crank
Screw M8x16
Crankcase Gasket
Crankcase Cover
oil Leveler
Hex Head Screw
Pan Head Screw M6x14
Breather Assembly
Spring Washer 8
Washer 8
Screw M6x14
Connecting Rod
Piston
Circlip 12
Piston Pin
Cord/Plug
Cylinder Gasket
Cylinder
Spring Washer 6
Washer 6
Pipe Assembly
Check Valve Assembly
Rear Motor Cover Gasket
Frame Assembly
Exhaust Pipe
Screw M6x40
record Product’s serial number Here:
note: If product has no serial number, record month and year of purchase instead.
note: Some parts are listed and shown for illustration purposes only, and are not avail-
able individually as replacement parts.
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assemBlY diagram
61
48
51
57
50
49
52
53
56
55
47
54
58
59
60
62
63
69
70
68
71
64
65
66
67
11
9
3
8
7
6
5
4
2
1
10
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assemBlY diagram, conTinued
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limiTed 1 Year / 90 daY warranTY
Harbor Freight Tools Co. makes every effort to assure that its products meet high
quality and durability standards, and warrants to the original purchaser that for a period
of one year from date of purchase that the tank is free of defects in materials and work-
manship (90 days if used by a professional contractor or if used as rental equipment).
Harbor Freight Tools also warrants to the original purchaser, for a period of ninety days
from date of purchase, that all other parts and components of the product are free from
defects in materials and workmanship. This warranty does not apply to damage due di-
rectly or indirectly to misuse, abuse, negligence or accidents, repairs or alterations out-
side our facilities, normal wear and tear, or to lack of maintenance. We shall in no event
be liable for death, injuries to persons or property, or for incidental, contingent, special
or consequential damages arising from the use of our product. Some states do not allow
the exclusion or limitation of incidental or consequential damages, so the above limita-
tion of exclusion may not apply to you. thIS wARRANty IS ExPRESSLy IN LIEU of
ALL othER wARRANtIES, ExPRESS oR IMPLIED, INCLUDINg thE wARRANtIES
of MERChANtAbILIty AND fItNESS.
To take advantage of this warranty, the product or part must be returned to us with
transportation charges prepaid. Proof of purchase date and an explanation of the com-
plaint must accompany the merchandise. If our inspection verifies the defect, we will ei-
ther repair or replace the product at our election or we may elect to refund the purchase
price if we cannot readily and quickly provide you with a replacement. We will return re-
paired products at our expense, but if we determine there is no defect, or that the defect
resulted from causes not within the scope of our warranty, then you must bear the cost
of returning the product.
this warranty gives you specific legal rights and you may also have other rights
which vary from state to state.
3491 Mission Oaks Blvd. • PO Box 6009 • Camarillo, CA 93011 • (800) 444-3353
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