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Thank you for purchasing a Sealey Product. Manufactured to a high standard this product will, if used according to these instructions

and properly maintained, give you years of trouble free performance.

IMPORTANT:

PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS,

WARNINGS AND CAUTIONS. USE THIS PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH

IT IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR PERSONAL INJURY AND WILL INVALIDATE

THE WARRANTY. PLEASE KEEP INSTRUCTIONS SAFE FOR FUTURE USE.

1.

SAFETY INSTRUCTIONS

p

WARNING!

Ensure Health & Safety, local authority, and general workshop practice regulations are adhered 

to when using this equipment.

p

WARNING!

Disconnect from air supply before refilling, servicing or performing maintenance.

3

Maintain the nail gun in good condition (use an authorised service agent).

3

Replace or repair damaged parts. 

Use genuine parts only. Non-authorised parts may be dangerous and 

will invalidate the warranty.

3

Use in suitable clean and tidy work area, free from unrelated materials and ensure there is adequate lighting.

p

WARNING! 

Always wear approved eye and/or face and hand protection when operating the nail gun.

3

Remove ill fitting clothing. Remove ties, loose jewellery, and contain and/or tie back long hair.

3

Wear appropriate protective clothing and keep hands and body clear of working parts.

3

Maintain correct balance and footing. Ensure the floor is not slippery and wear non-slip shoes.

3

Keep children and unauthorised persons away from the working area.

3

Check moving parts alignment on a regular basis. 

3

Ensure workpiece is secure before operating the nail gun. Never hold a workpiece by hand.

3

When the nail gun is put down during pauses in operation ensure that the trigger catch slide is not 

depressed by the weight of the nail gun or by placing the nail gun in a restricted position that could put 

pressure on the trigger catch slide. 

3

During extended breaks in operation disconnect the nail gun from the air supply.

p

WARNING!

Ensure correct air pressure is maintained and not exceeded. Recommended pressure 60-100psi.

3

Keep air hose away from heat, oil and sharp edges. Check air hose for wear before each use and ensure

that all connections are secure.

3

Prolonged exposure to vibration from this nail gun may pose a health risk. It is the owner’s responsibility to 

correctly assess the potential hazard and issue guidelines for safe periods of use and offer suitable protective equipment.

7

DO NOT point the nail discharge outlet at yourself or anyone else. Do not point at animals.

7

DO NOT use any power source except an air compressor.

7

DO NOT operate the nail gun near any flammable substance or on any container that once contained a 

flammable substance.

7

DO NOT use the nail gun for a task it is not designed to perform. 

7

DO NOT operate nail gun if any parts are damaged or missing as this may cause failure and/or personal injury.

7

DO NOT carry the nail gun by the hose, or yank the hose from the air supply.

7

DO NOT place the nail gun close to your face and do not point at other persons or animals.

7

DO NOT operate nail gun when you are tired, under the influence of alcohol, drugs or intoxicating medication.

7

DO NOT carry the nail gun with your finger on the trigger. 

7

DO NOT direct air from the air hose at yourself or others.

3

When not in use, disconnect from air supply and store in a safe, dry, childproof location.

I N S T R U C T I O N   M A N U A L   F O R :

AIR OPERATED NAIL GUN 

M O D E L   N O .

SA790

NOTE:

It is our policy to continually improve products and as such we reserve the right to alter data, specifications and component

parts without prior notice. 

IMPORTANT: 

No liability is accepted for incorrect use of this equipment. 

WARRANTY: 

Guarantee is 12

months from purchase date, proof of which will be required for any claim. 

INFORMATION: 

Call us for a copy of our latest catalogue

and promotions on 01284 757525 and leave your full name and address including your postcode.

SA790 - 1 - 170603

ITEM PART NO. DESCRIPTION

1

SA790.01 Bolt M5 x 20

2

SA790.02 Spring washer 

SA790.03 Cylinder cap

4

SA790.04 Seal washer

5

SA790.05 Compressed spring

6

SA790.06 O-ring 24.8 x 3.5

7

SA790.07 O-ring 31.2 x 2.5

8

SA790.08 Head valve piston

9

SA790.09 O-ring 13.7 x 2.4

10

SA790.10 Piston seal

11

SA790.11

O-ring 4 x 1.8

12

SA790.12 Collar

13

SA790.13 O-ring 30 x 1.8

14

SA790.14 O-ring 42.6 x 2.35

15

SA790.15 Cylinder

16

SA790.16 O-ring 29.7 x 3.55

17

SA790.17 Piston unit

18

SA790.18 D-ring 21 x 3

19

SA790.19 Bumper

20

SA790.20 Gun body

ITEM PART NO. DESCRIPTION

41

SA790.41 Cover plate

42

SA790.42 Pin 1.5 x 10

43

SA790.43 Bolt M4 x 8 

44

SA790.44 Driver guide

45

SA790.45 Slice

46

SA790.46 Fixed magazine

47

SA790.47 Movable magazine

48

SA790.48 Fixing screw

49

SA790.49 Support seat

50

SA790.50 Bolt M4 x 12

51

SA790.51 Stopper

52 

SA790.52 Stopper pipe

53 

SA790.53 Compress spring

54

SA790.54 Fixing bolt

55

SA790.55 Spring lever 

(magazine catch)

56

SA790.56 Bolt M4 x 16

57

SA790.57 Stopper

58

SA790.58 Nut M4

59

SA790.59 Hand rubber grip

60

SA790.60 O-ring 36.5 x 3.55

61

SA790.61 End cap

62

SA790.62 Air inlet  

ITEM PART NO. DESCRIPTION

21

SA790.21 Grommet

22

SA790.22 Valve sleeve

23

SA790.23 O-ring 11 x 1.2

24

SA790.24 Spring

25

SA790.25 Trigger valve stem

26

SA790.26 O-ring 8 x 1

27

SA790.27 O-ring

28

SA790.28 Valve seat

29

SA790.29 O-ring 11.2 x 1.85

30

SA790.30 Pin

31

SA790.31 Trigger

32

SA790.32 E-ring

33

SA790.33 Safety plate

34

SA790.34 Pin 2.5 x 16

35

SA790.35 Safety guide

36

SA790.36 Spring

37

SA790.37 Safety catch

38

SA790.38 Spacer

39

SA790.39 Release handle

40

SA790.40 Release button

Issue No:

Issue Date:

170603 

SA790

01284 757500

01284 703534

E-mail:

[email protected]

Sole UK Distributor

Sealey Group,

Bury St. Edmunds, Suffolk.

Web address: www.sealey.co.uk

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