Harbor Freight Tools Automobile Parts 40312 User Manual

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  
 
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  
SKU 40312  
Page 3  
 
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  
SKU 40312  
Page 4  
 
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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Page 5  
 
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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Page 6  
 
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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Page 7  
 
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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