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Page 8

SKU 92421

For technical questions, please call 1-800-444-3353

NOTE: Some parts are listed and shown for illustration purposes only and are not available
individually as replacement parts.

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 DISTRIBU-
TOR 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 REPLACE-
MENTS 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 ARIS-
ING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO.

Parts List

Part No.

Description

Qty.

Part No.

Description

Qty.

1

Trigger Handle

1

28

Cylinder

1

2

Throttle Valve Bushing 1

29

Pin

1

2A

Throttle Valve Seat

1

29A

Pin

1

3

Throttle Valve Plunger

1

30

Front End Plate

1

4

Throttle Valve

1

31

Front End Bearing

1

5

Throttle Valve Spring

1

32

End Plate Gasket

1

6

0-ring

1

33

Motor Housing

1

10B

Air Inlet

1

34

Bearing

1

11

Rubber Cap

1

35

Hammer Pin

2

12

Trigger Pin

2

36

Hammer Frame

1

13

Trigger

1

37

Hammer

2

14

Pin

1

38

Anvil

1

15

F/R Valve Bushing

1

40

Thrust Washer

1

16

0-ring

1

41

Hammer Case Bushing 1

17

Forward/Reverse Valve 1

42

Hammer Case Gasket 1

18

Steel Ball

1

43

Hammer Case

1

19

Spring

1

44

Hammer Case Cp. Scr. 4

20

Pin

1

44A

Washer

4

21

Washer

4

45

Handle

1

21A

Screw

1

46

Screw

4

22

Handle Gasket

1

46A

Washer

4

23

Rear Motor Bearing

1

47

Hammer Case Seal

1

24

Rear End Plate

1

48

Socket Retainer 0-ring 1

26

Rotor Blade

6

49

Socket Retainer

1

27

Rotor

1

Summary of Contents for Earthquake 92421

Page 1: ...stions and replacement parts please call 1 800 444 3353 Model 92421 Copyright 2005 by Harbor Freight Tools All rights reserved No portion of this manual or any artwork contained herein may be reproduc...

Page 2: ...able gases or liquids 3 Keep children away Children must never be allowed in the work area Do not let them handle machines tools extension cords or air hoses 4 Store idle equipment When not in use too...

Page 3: ...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...

Page 4: ...g or broken please call Harbor Freight Tools at the number on the cover of this manual as soon as possible For best service you should incorporate an oiler regulator and inline filter as shown in the...

Page 5: ...Case 43 and secure it with four Screws 46 and Washers 46A See FIGURE 1 Operation Warning This Impact Wrench supplies powerful torque and is designed to be operated with two hands Failure to operate t...

Page 6: ...ise arrow to loosen Handle Tightening Note Set the Forward Reverse Valve 17 so that the anvil turns clockwise forward 7 Tighten the nut as tight as you can by hand 8 Place the socket not included over...

Page 7: ...t is loosened release the Trigger 13 Turn off the air compressor and disconnect the hose 15 If needed remove the nut from the socket Maintenance 1 Make sure your Impact Wrench is disconnected from the...

Page 8: ...ORIGINAL PRODUCT OR REPLACEMENT PARTSTHERETO OR ARIS ING OUT OF HIS OR HER INSTALLATION OF REPLACEMENT PARTS THERETO Parts List Part No Description Qty Part No Description Qty 1 Trigger Handle 1 28 Cy...

Page 9: ...Page 9 SKU 92421 For technical questions please call 1 800 444 3353 Assembly Drawing...

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