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Makita
Power Nailer

Model # AF503 Official Makita pneumatic brad nailer

Here are the diagrams and repair parts for Official Makita AF503 pneumatic brad nailer, as well as links to manuals and error code tables, if available.

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Model diagram and schematic

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Showing 10 of 79 parts  |
Hex Wrench 783202-0
#402

Pneumatic brad nailer, 18 gauge diagram

Hex wrench

Part #783202-0

The manufacturer no longer makes this part, and there's no substitute part

Hex Wrench 783201-2
#401

Pneumatic brad nailer, 18 gauge diagram

Hex wrench

Part #783201-2

The manufacturer no longer makes this part, and there's no substitute part

Screw A200-09
Screw

Part #A200-09

The manufacturer no longer makes this part, and there's no substitute part

Tail Cover A235-AO
#25

Pneumatic brad nailer, 18 gauge diagram

Tail cover

Part #A235-AO

The manufacturer no longer makes this part, and there's no substitute part

Head Valve Piston A340-06
#11

Pneumatic brad nailer, 18 gauge diagram

Head valve piston

Part #A340-06

The manufacturer no longer makes this part, and there's no substitute part

Spring A210-25
#8

Pneumatic brad nailer, 18 gauge diagram

Spring

Part #A210-25

The manufacturer no longer makes this part, and there's no substitute part

Exhaust Valve Assembly B346-06
#7

Pneumatic brad nailer, 18 gauge diagram

Exhaust valve assembly

Part #B346-06

The manufacturer no longer makes this part, and there's no substitute part

Step Pin 5-27.3 A206-65
#76

Pneumatic brad nailer, 18 gauge diagram

Step pin 5-27.3

Part #A206-65

The manufacturer no longer makes this part, and there's no substitute part

Oil Supply 181434-7
#403

Pneumatic brad nailer, 18 gauge diagram

Oil supply

Part #181434-7

The manufacturer no longer makes this part, and there's no substitute part

O-ring 22-1.5 A311-OQ
#79

Pneumatic brad nailer, 18 gauge diagram

O-ring 22-1.5

Part #A311-OQ

The manufacturer no longer makes this part, and there's no substitute part

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