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Page 7  SKU # 38898                                 Rev 03/00

REV 11/01

REV 03/04

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.

Compressor Assembly

MAINTENANCE

1.

Check the oil before each use to be sure the level of oil is correct (see illustration on page 5).  If
the oil level is too low, add oil. If it is too high, drain some oil out by removing the drain plug.

2.

Drain and replace the oil once per year. Replace more often if the compressor is used heavily or
the oil appears dirty.

3.

Check the air filter every six months, or more often if compressor is used in a dirty or dusty
environment. Replacement air filters are available from Harbor Freight Tools.

4.

Drain the air tank after each use, by turning the drain petcock clockwise to open it. Turn the
petcock counterclockwise to close it. It is a good practice to leave the drain plug open between
uses to ensure that the tank remains dry.

5.

Never use flammable liquids or solvents to clean the compressor. For cleaning, unplug the unit,
and clean with a mild detergent and water. Be careful not to introduce water into any electrical
components.

Part # Description

 1

Screw

 2

Screw

 3

Washer

 4

Washer

 5

Air Filter

 6

Cylinder Case

 7

Gasket, Crankshaft Cover

 8

Valve Seat

 9

Gasket, Valve Seat

10

Valve Plate

11

Valve Seat

12

Gasket, Valve Seat

13

Cylinder

14

Cylinder Gasket

15

Compression Ring

16

Scraping Oil Ring

17

Piston

18

Piston Pin

19

Crankshaft Retainer

20

Oil Stick

21

Screw

Part# Description

22

Connecting Rod

23

Crankshaft

24

Gasket, Front Cover

25

Front Cover

26

Washer

27

Washer

28

Bolt

29

Screw

30

Crankshaft Case

31

Nut

32

Seal Washer

33

Bearing

34

Electric Capacitor

35

Bolt

36

Screw

37

Motor

38

Washer

39

Radiating Fan Wheel

40

Radiating Cover

41

Thermal Switch

Summary of Contents for Central Pneumatic 38898

Page 1: ...ights 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...

Page 2: ...5 02 06 Note When using extensions cords not included To avoid circuit breaker and voltage drop problems we recommend using only 12 gauge x 50 foot extension cords Item 41444 or 45287 available from H...

Page 3: ...ep proper footing and balance at all times Do not reach over or across running machines 10 MAINTAIN TOOLS WITH CARE Keep tools sharp and clean for better and safer performance Follow instructions for...

Page 4: ...receptacle Never try to plug a tool designed for 110 120 Volts into a 220 240 Volt receptacle 220V plugs and outlets are shaped differently to prevent this Only use rounded jacket extension cords pre...

Page 5: ...time check to be sure the oil reservoir is filled Next connect your air hoses filter and regula tor to the compressor as illustrated in Figure 2 below 1 The provided air outlet is 1 4 NPT Connect the...

Page 6: ...FF switch down Then Pull out on the ring on the pressure release valve to quickly release stored pressure WARNING 1 To reduce the risk of fire or explosion never spray flammable liquids in a confined...

Page 7: ...en if the compressor is used heavily or the oil appears dirty 3 Check the air filter every six months or more often if compressor is used in a dirty or dusty environment Replacement air filters are av...

Page 8: ...PARTS DIAGRAM Page 8 SKU 38898 Rev 03 00 REV 11 01 REV 03 04 REV 11 05 NOTE Part 7 8 9 10 11 12 are only available as a kit Rebuild Kit SKU 27349...

Page 9: ...3A 14A PARTS DIAGRAM CONTINUED Page 9 SKU 38898 Rev 03 04 REV 11 05 4A Bolt 5A Hose 6A Rubber Foot 9A Air Flow Valve 10A Pressure release Valve 11A Pressure Gauge 12A No return Valve 13A Tank 14A Tank...

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