AIR FILTER, REGULATOR AND
LUBRICATOR
40312
ASSEMBLY AND OPERATING INSTRUCTIONS
®
3491 Mission Oaks Blvd., Camarillo, CA 93011
Copyright © 2000 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.
For technical questions and replacement parts, please call 1-800-444-3353
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applications for which this tool was designed. Do not modify this tool and do
not use this tool for a purpose for which it was not intended.
8. Use eye and ear protection. Always wear ANSI approved impact safety
goggles.Wear a full face shield if you are producing metal filings or wood
chips.Wear an ANSI approved dust mask or respirator when working around
metal, wood, and chemical dusts and mists.
9. Maintain tools with care. Keep tools sharp and clean for better and safer
performance. Follow instructions for lubricating and changing accessories.
Inspect tool cords periodically and, if damaged, have them repaired by an
authorized technician.
10. Stay alert. Watch what you are doing, use common sense.Do not operate
any tool when you are tired.
11. Check for damaged parts. Before using any tool, any part that appears
damaged should be carefully checked to determine that it will operate properly
and perform its intended function. Check for alignment and binding of moving
parts; any broken parts or mounting fixtures; and any other condition that may
affect proper operation. Any part that is damaged should be properly repaired
or replaced by a qualified technician.
12. Replacement parts and accessories. When servicing, use only identical
replacement parts. Use of any other parts will void the warranty. Only use
accessories intended for use with this tool.
13. Do not operate tool if under the influence of alcohol or drugs. Read
warning labels on prescriptions to determine if your judgment or reflexes are
impaired while taking drugs. If there is any doubt, do not operate the tool.
14. Maintenance. For your safety, service and maintenance should be performed
regularly by a qualified technician.
15. WARNING! The brass components of this product contain lead, a chemical
known to the State of California to cause birth defects (or other reproductive
harm). (California Health & Safety code § 25249.5, et seq.)
Caution:
Do not remove Part #A1 Visi-Dome from the lubricator.
Attempting to do so may damage the seal and thread.
Warning:The warnings, cautions, and instructions discussed in this instruction
manual cannot cover all possible conditions and situations that may occur. It
must be understood by the operator that common sense and caution are fac-
tors which cannot be built into this product, but must be supplied by the opera-
tor.
REV 02e, 07f
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Unpacking
When unpacking, check to make sure the following parts are included.
1) Air Filter / Regulator 2) Lubricator 3) Double-sided Fitting
If any parts are missing or broken, please call Harbor Freight Tools at the number
on the cover of this manual.
Installation
The diagram below shows the general connections for the Air Filter-Regulator and
Lubricator.
1. Find the 1/4 inch, double-sided Fitting (27) and apply brass fitting compound
to both sides.
2. Hand screw the Fitting into the Air Filter Body (12), right input side.
3. Take the Lubricator Body (A7) and align its output connection to the Fitting
and hand screw the Fitting a few turns into the Lubricator Body.
Screw (1)
Pressure Adjusting
Knob (3)
Fitting (27)
Holder (6)
Air Flow (from
Compressor)
To Air Tool
Lubricator Body (A7)
Air Filter Body (12)
Quick Release Button
Quick Release Button
Metal Bowl Guard (26)
Metal Bowl Guard (A15)
Regulator Spring (14) button
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4. Turn the Lubricator Body clockwise, tightening the Fitting to the Air Filter Body
(12) and the Lubricator Body (A7).
Note that the arrows imprinted on top of each body should be pointing all in
the same direction.
5. Align both bodies so that their bowls are facing down.
6. Attach the mounting support Holder (6) to the Air Filter if the assembly is to
be mounted to a flat surface (Refer to the Assembly Drawings at the end of
this manual).
- Remove Screw (1) and pull up and remove the Adjusting Knob (3).
- Remove the Panel Mount Nut (4) by turning it counterclockwise.
- Insert the Holder (6) and replace the Panel Mount Nut, the Adjusting Knob,
and finally, the screw.
7. Secure the whole assembly by the Holder to a flat surface using the
appropriate hardware (not supplied).
8. Connect the compressor air output hose or pipe to the air inlet connector on
the Lubricator Body.
9. Connect the air output hose or pipe to the Air Filter output connector.
10. Press on the Lubricator Quick Release Button and pull off the Metal Bowl
Guard (A15).
11. Twist off the Plastic Bowl (A14) and add air lubricator oil to the maximum
level.
12. Press up on the Plastic Bowl to replace it.
13. Snap in the Metal Bowl Guard.
Operation
1. Turn on the Compressor and check for air leaks.
If any are found, turn the Compressor off and fix the leak.
2. With the Compressor ON, turn the Pressure Adjusting Knob (3) to adjust the
air pressure as read on the Gauge (13).
3. Adjust the oil flow by viewing the Visi-dome (1A) and adjusting the Oil Feed
Adjustment Screw (A3).
4. Press on the Regulator Spring (14) button to expel any accumulated moisture
from the Plastic Bowl (23). Do this daily.
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Maintenance
1. Check oil level in Lubricator Plastic Bowl daily. Refill if below minimum level.
2. Press on the Regulator Spring (14) button to expel any accumulated moisture
in the Plastic Bowl (23).
Air Filter Parts List
Item #
Description
Screw
Item #
Description
1
14
Regulator Spring
2
3
Lock Knob
Adjusting Knob
Panel Mount Nut
Screw
15
16
17
18
19
20
21
22
23
24
25
26
27
Valve Assembly
O-ring
4
Holder
5
Spirer Baffle
6
Holder
Filter Element
Umbrella Baffle
Screw Rod
7
Bonnet
8
Adjusting Screw Assy
Regulator Spring
Diaphram
Plug
9
O-ring
10
11
12
13
Plastic Bowl
Flex Drain Valve
Flex Drain Sleeve
Metal Bowl Guard
Fitting, 1/4", Double-sided
Body
Gauge
PLEASE READ THE FOLLOWING CAREFULLY
THE MANUFACTURER AND/OR DISTRIBUTOR HAS PROVIDED THE PARTS DIAGRAM
IN THIS MANUAL AS A REFERENCE TOOL ONLY. NEITHER THE MANUFACTURER
NOR 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.
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Air Filter Assembly Drawing
NOTE: Some parts are listed and shown for
illustration purposes only and are not available
individually as replacement parts.
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Lubricator Parts List
Lubricator Assembly Drawing
Item #
Description
Visi-dome
A1
A2
A3
A4
A5
A6
A7
A8
A9
O-ring
Oil Feed Adjustment Screw
O-ring
Cap Nut
O-ring
Lubricator Body
O-ring
Adapter
A10 Guide Valve (gate)
A11 Screw Rod
A12 Hose
A13 O-ring
A14 Plastic Bowl
A15 Metal Bowl Guard
NOTE: Some parts are listed and shown
for illustration purposes only and are not
available individually as replacement
parts.
When ordering parts from this list, add an
“A” prefix to the part number illustrated in
the Assembly Drawing.
Caution:
Do not remove Part #A1 Visi-Dome from the lubricator.
Attempting to do so may damage the seal and thread.
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