Makita AF500HP Manual

Models No.
Description
PRODUCT
TECHNICAL INFORMATION
CONCEPT AND MAIN APPLICATIONS
Specification
Standard equipment
Optional accessories
Note: The standard equipment for the tool shown above may vary by country.
P 1/ 14
AF500HP
Pneumatic Pin Nailer
Model AF500HP is a pneumatic pin nailer powered by high pressure air.
Drives 15 to 50mm (5/8 to 2") 23Ga Pin nails.
Its main benefits are:
Ultra-fine finish with almost invisible driver tip marking
Compact and lightweight design for high maneuverability
Slim contact arm and nose adapter for easy access to tight places
Contact arm with an extra-short stroke and non-marring rubber nose
adapter for protection of workpiece surface from damages/scratches
Safety goggles ................................................. 1
Oil supply (containing 30ml of turbine oil) .... 1
Nose adapter .................................................. 2
Hex wrench 3 ................................................. 1
Hook ................................................................ 1
Plastic carrying case ........................................ 1
Pin nails
Air hoses
Repair kit for trigger (containing O rings)
Dimensions: mm (")
Width 2 (W2)
Height (H)
Length (L) 228 (9)
45 (1-3/4)
Width 1 (W1)
Width 1: with Hook
Width 2: without Hook
61 (2-3/8)
207 (8-1/8)
Net weight: kg (lbs)
Magazine capacity: nails
Nail
Operating air pressure: MPa
[kgf/cm2]
(PSI)
1.1 (2.4)
140
0.98 - 2.26
[10 - 23]
(140 - 320)
23Ga
Nails per strip 100
15, 18, 25, 30, 35, 45, 50
(5/8, 11/16, 1, 1-3/16, 1-3/8, 1-3/4, 2)
Length: mm (")
Gauge (Diameter)
Pin nailType
W2
L
H
W1

P 2/ 14
Repair
CAUTION: Disconnect the air hose from the machine and then remove remaining pin nails for
safety before repair/ maintenance in accordance with the instruction manual!
[1] NECESSARY REPAIRING TOOLS
[2] LUBRICATIONS
Fig. 1
Code No. Description Use for
1R003 Retaining ring pliers ST-2N Pulling off Pipe
1R032 Bearing setting plate 8.2 Supporting Slide door when removing Magazine bumper
1R266 Spring pin extractor 2 Removing/ mounting Spring pins 2-8
1R268 Spring pin extractor 3 Removing/ mounting Spring pins 3-28 and 3-26
1R228 1/4” Hex shank bit for M4 Removing/ mounting M4 Hex socket head bolt
1R229 1/4” Hex shank bit for M5 Removing/ mounting M5 Hex socket head bolt
Item No.
Apply Isoflex NB52 to the following portions designated with the black arrows to protect parts
and product from unusual abrasion.
Description Portion to lubricate Amount
a little
3
Top cap
Driver complete
Pipe
7
Idler
Trigger base
Trigger Section
Link block
8
24
22 21
5
9
O ring 9.52421
5
3
O ring14
O ring 31
O ring 29
D ring 21.5
7
8
Cylinder9
O ring 1122
39
37
49
33
Idler guide
33
Pin 3
37
Pin 2
39
Stopper
Whole portion
Inside where Driver complete moves
Whole portion
The portion where Idler contacts
Whole portion
The portion where Trigger base contacts
49
Trigger

[2] LUBRICATIONS (cont.)
Fig. 2
Item No.
Apply Isoflex NB52 to the following portions designated with the black arrows to protect parts
and product from unusual abrasion.
Description Portion to lubricate Amount
a little
Trigger Valve Section
Main valve
Trigger valve guide A
Compression spring 7
Compression spring 3
O ring 3
O ring 3
O ring 3
99
O ring 11.299
96
O ring 2096
97
O ring 2297
101
103
103
O ring 18101
105
O ring 18105
116
O ring 22
116
100
111
111
O ring 12.5100
104
O ring 12
104
107
O ring 6107
108
O ring 6108
110
O ring 12
Whole oprtion for smooth action in Main valve
Whole portion for smooth action in Pilot valve
Whole portion
Whole portion
Whole portion
110
114
115
114
Trigger
valve case
Pilot valve
Trigger valve stem
Trigger valve guide B
112
112
P 3/ 14
Repair
115

[3] Fastening Torque and Adhesive for Screws and Bolts
14
12
17
17
2
Housing set
Inlet cap
Exhaust cover
Joint
Magazine Upper rail complete
Lower rail
Spacer
Slide door cap
94
60
62
93
83
Item No. Description Fastening torque
(N.m)
Q’ty Position where Bolts/ Screws are used Adhesive
One-touch joint H22PM Assembled to Inlet cap through Exhaust cover
Top cap
Refer to Fig. 3.
Tighten the bolts/ scerws to the specific fastening torque. Apply Loctite 242 or ThreeBond 1321/ 1342 to a part of Screws
and Bolts.
Assembled to Housing set
M4x12 Hex socket head bolt Fastening Exhaust cover to Inlet cap
Fastening Inlet cap to Housing set
Fastening Contact top cover to Contact arm camplete
M4x12 Hex socket head bolt
M5x14 Hex socket head bolt
M3 Hex socket head screw Assembled to Magazine as a stopper for Upper rail
Fastening Magazine to Joint
M4x16 Hex socket head bolt
M3x10 Hex socket head bolt Fastening Lower rail and Spacer to Magazine
Fastening Slide door cap to Upper rail completeM4x8 H.S. Button head bolt
2 1 14.0 - 20.0
4.9 - 8.4
1.2 - 1.8
1.2 - 1.8
3.0 - 5.0
3.0 - 5.0
3.0 - 5.0
7.5 - 8.5
7.5 - 8.5
3.0 - 5.0
0.8 - 1.0
12 a little
a little
a little
1
2
2
1
1
1122
14 2
2
M5x18 Hex socket head bolt Fastening Driver guide to Housing set
2
2
17 4
83
60 62
93
0.4 - 0.8
64
Driver guide
64
3.0 - 5.0
M4x12 Hex socket head bolt Fastening Driver guide to Magazine
268
68
Driver guide cover
Driver
guide
67
58
Contact arm complete
Contact top cover
58
67 M5x6 H.S. button head screw
M5x6 H.S. button head screw
Fastening Driver guide cover to Driver guide
122
Fig. 3
P 4/ 14
Repair
Fastening Joint to Housing set

[4] DISASSEMBLY/ASSEMBLY
[4]-1. Driver complete
DISASSEMBLING
Remove Driver complete and O rings in the order of Figs. 4 to 8.
ASSEMBLING
Take the disassembling step in reverse.
Note: 1) Apply Lubricant to O rings and fit them into each groove on Driver complete and Top cap. (Fig. 8)
2) Insert the round shape of Driver complete on the bottom of Cylinder, and face the vertical groove of Driver
complete to magazine, then set the assembled part in place as illustrated in Fig. 9.
Hex portion of Top cap
Pull off Top cap cover
by hand.
Fix the hex portion of Top cap
with vise. And turn the machine
counterclockwise.
Top cap can be removed.
Vise
Top cap
cover
Top cap
Rear cushion
Rear Cushion is removed.
Remove O Rings.
Pull off Cylinder together with Driver complete.
Remove Driver complete from Cylinder.
Housing set
Housing set
Cylinder
CylinderDriver complete
Fig. 4 Fig. 5 Fig. 6
Fig. 7
vertical groove of
Driver complete
Face the vertical groove of Driver complete
to Magazine.
Cylinder
Fig. 8
O ring 31 O ring 14
Top cap
Driver complete
P 5/ 14
Repair
Magazine
round shape
of Driver
complete
Fig. 9

[4] DISASSEMBLY/ASSEMBLY
[4]-2. Front cushion
DISASSEMBLING
ASSEMBLING
(1) Remove Cylinder and Driver complete as illustrated in Figs. 4 to 7.
(2) Remove Front cushion as illustrated in Figs. 10 and 11.
Driver guide cover
Compression
spring 3
M5x6 H.S. Button
head screw (2pcs.)
Remove Driver guide cover by unscrewing
M5x6 H.S.Button head screw while paying
attention not to sling Compression spring 3.
Front seal comes into your sight.
Push Front seal with Slotted
screwdriver as illustrated above.
Cylinder section can be removed
together with Front seal and Front
cushion.
Remove Front seal and Front cushion
from Cylinder.
Front seal
Cylinder
Front seal
slotted
screwdriver
Front
cushion
Fig. 10 Fig. 11
Front cushion
Front seal
Cylinder
Cylinder
Facing the grooved side to Driver guide,
insert Driver complete into Cylinder
until it stops.
Mount Front cushion and Front seal on Cylinder, then insert
Cylinder complete into Housing set as illustrated below.
Driver guide
Housing set
(1) Assemble the Cylinder section to Housing set as illustrated in Fig. 12.
(2) Reverse the disassembling step of Rear cushion. (Fig. 6)
(3) Reverse the disassembling step of Top cap and Top cap cover. (Figs. 5 and 4)
Fig. 12
P 6/ 14
Repair

[4] DISASSEMBLY/ASSEMBLY
[4]-3. Trigger valve section
DISASSEMBLING
ASSEMBLING
M5x18 Hex socket
head bolt (2pcs.)
Remove Spring pin 3-28 with 1R268.
Unscrew M5x18 Hex socket head bolt
and M5x14 Hex socket head bolt.
Magazine, Driver guide section and
Trigger section can be disassembled
from Housing set.
Push out Spring pin 3-28 and Spring
pin 3-26 with 1R268 to remove Trigger
valve case in the next step.
No need to remove them completely
from Housing set.
First separate Magazine section, Trigger section and Driver guide section. See Fig. 13.
Then remove Trigger valve case. Trigger valve section can be disassembled as illustrated in Fig. 14.
M5x14 Hex
socket head bolt
Magazine with
Trigger section
Remove Trigger valve case
by levering up with slotted
screwdriver.
Remove Trigger valve guide A
by striking Housing set with
plastic hammer.
Spring
pin 3-28
Spring pin 3-26
Spring pin 3-28
1R268
Trigger valve stem
Compression spring 3
Compression spring 7
Trigger valve guide B
Main valve
Take the disassembling step in reverse. Refer to Figs. 14 and 13.
Pilot valve
Trigger valve guide A
When assembling Trigger
valve case, be sure to do as
illustrated in Fig. 15.
Fig. 13
Fig. 14
1R268
While supporting 1R268 to Spring pin 3-28
or 3-26 through the opposite hole, strike
the Spring pin.
Spring pins are guided to the opposite hole
by 1R268.
Spring pin 3-28
Spring pin 3-26
Fig. 15
P 7/ 14
Repair

[4] DISASSEMBLY/ASSEMBLY
[4]-4 Inlet cap, One touch joint H22PM
DISASSEMBLING
Remove Cap 9.
Inlet cap and One touch joint H22PM are removed in the order of Figs. 16 to 21.
Remove Exhaust cover by unscrewing
M4x12 Hex socket Head bolt.
And take out Filter A and Filter B.
Remove Inlet cap by unscrewing
M4x16 Hex socket Head bolt.
Pipe (for exhaust) comes into
your sight.
ASSEMBLING
Filter A
Filter B
1R003
Pull off Pipe Hook Pipe with Retaining ring
pliers for Shaft or 1R003 and pull it off.
Pipe
Exhaust cover
M4x12 Hex socket
head bolt (2 pcs.)
Cap 9
M4x16 Hex
socket head bolt
(4pcs.)
Inlet cap
(1) Applying “Lock Tight 242” or “Three bond 1321/1342” to the threaded portion of One Touch Joint H22PM,
assemble it to Inlet cap by turning counterclockwise. Refer to Figs. 20 and 21.
(2) Do the reverse step of Disassembly. Refer to Figs. 17, 16, 15 and 14.
It is very difficult to remove One
touch joint H22PM because of
adhesive applied on the threaded
portion.
Therefore, heat One touch
joint H22PM with gas burner.
One touch joint H22PM One Touch Joint H22PM
can be removed by
turning clockwise.
Note: One Touch Joint
H22PM has a
left-handed thread.
Inlet cap
Gas burner
Fig. 16
Fig. 18
Fig. 19 Fig. 21Fig. 20
Fig. 17
Clamping the hex portion of One touch joint
H22PM with vise, turn the machine clockwise.
One touch joint can be removed.
If it is difficult to remove Ont touch joint,
take the disassembling step in the order of
Figs. 17, 18, 20 and 21.
Hex portion of One touch joint H22PM
P 8/ 14
Repair
Note: One Touch Joint H22PM has a left-handed
thread.

[4] DISASSEMBLY/ASSEMBLY
[4]-5 Magazine
DISASSEMBLING
M5x14
Hex socket head bolt
M3 Hex socket head screw
M4x12 Hex socket
head bolt (2pcs.)
Joint
1. Sliding Upper rail in the direction designated
with black arrow, remove M4x12 Hex socket
head bolts (2pcs.).
2. Remove M5x14 Hex socket head bolt with which
Joint is fastened to Housing set.
3. Remove Upper rail while
pressing Pusher.
Upper rail
Upper rail
Pusher
Compression spring 5 and
Compression spring 6
4. After removing Upper rail, remove Stopper and Compression
spring 3 from the Pusher.
5. Holding Pusher and lifting up Guide pipe, remove Pusher carefully
so as not to slung by Compression spring 5 and Compression spring 6.
Stopper
Compression spring 3
Upper rail
Pusher
Guide pipe
Guide pipe
Fig. 22 Fig. 23
Fig. 24
Fig. 25
6. Remove Joint from
Guide pipe.
Joint
M4x8 H.S. button
head screw
Slide door capNail guide holder
7. Remove M4x8 H.S. button head screw. Pull off Slide door cap together with Nail guide holder
while holding Compression spring 4 so as not to spring out.
Compression
spring 4 (7pcs.)
P 9/ 14
Repair

[4] DISASSEMBLY/ASSEMBLY
[4]-6 Magazine (cont.)
DISASSEMBLING
ASSEMBLING
Slide door cap
Slide door cap
Nail guide holder
Take the disassembling step in reverse while paying attention to the following matters.
* Be sure to set two Washers in place when screwing M3 Hex socket head screw to Magazine. Refer to Fig. 22.
* Before assembling Pusher, pass Guide pipe through Joint. Refer to Fig. 24.
Nail stopper
Nail stopper
Compression spring 4
Compression spring 4
Nail guide
holder
Nail stopper
(7pcs.)
Tilting Nail guide holder together with
Nail stoppers as illustrated above,
remove them while holding Compression
spring 4.
If Nail stopper is violently pulled off from the Compression
spring 4, the Compression spring is deformed, or springs out
of Slide door cap.
Tilt Nail stopper as illustrated above.
Nail stopper can be smoothly pulled off without
deforming or losing Compression spring 4 .
Compression
spring 4 (7pcs.)
Fig. 26
Fig. 27
Nail stopper (7pcs.)
Nail stoppers can be removed
by pulling in the direction
designated with black arrows.
P 10/ 14
Repair
Fig. 28
Remove Spring pin 3-28 (2 pcs.) with 1R268 and 1R032.
Magazine bumper can be disassembled from Slide door cap.
1R268
1R032 Spring pin 3-28
Magazine bumper
Slide door cap

[4] DISASSEMBLY/ASSEMBLY
[4]-7 Trigger base section
DISASSEMBLING
(1) Disassemble Magazine section together with Trigger section as per the left illustration in Fig. 13.
(2) Separate Trigger base section from Magazine section as illustrated in Figs. 29, 30 and 31.
Fig. 29
Fig. 30
Fig. 31
Magazine with
Trigger section
Adhesive
tape
Adhesive tape Pin 3
Cover Trigger base with adhesive
tape so that Pin 3 does not fall off
Trigger base during disassembly.
Knob
Knob
1R266
1R274
Spring Pin 2-8
Magazine
Pull off 1R266 while pushing
the head of Lock pin which is
opposite side of Knob.
Supporting Knob with 1R274,
remove Spring pin 2-8 by striking
1R266 applied on the Spring pin.
Trigger base
1R266
Remove Trigger base section
while paying attention not to
lose Compression spring 5.
Lock pin with
Compression spring 5
Remove Knob and Lock pin.
Trigger base section becomes
free from Magazine section.
Compression spring 5
Knob
Taking off adhesive tape, remove Pin 3
from Trigger base.
The parts illustrated right can be
removed from Trigger base.
Trigger base
Link lever
Trigger
Holes for Pin 3
Torsion spring 4
Spring pin 2-14
Tension spring 4
Link block
Idler guide
Idler
Pin 2
Adhesive tape
P 11/ 14
Repair

[4] DISASSEMBLY/ASSEMBLY
[4]-7 Trigger base section (cont.)
ASSEMBLING
Trigger
Spring pin 2-14
Spring
pin 2-14
Idler
Assemble Idler to Trigger by passing Spring
pin 2-14 through Trigger and Idler.
Set Trigger to Trigger base by passing Pin 3
as illustrated above.
Idler
Trigger
Trigger
Trigger base
Pin 3
Pin 3
Trigger
Fig. 34
1. Assemble Torsion spring 4 to Link lever. 2. Picking with Tweezers, assemble the Link lever to Trigger base
as illustrated below. And stabilize Link lever by inserting 2 pcs.
of Pin 3 halfway from the both side of holes.
Tweezers
(1) Assemble Trigger base section in the order of Figs. 32, 33, 34 and 35.
Fig. 32
Fig. 33
Tail of Torsion
spring 4
Note
Tails of Torsion spring 4 have to be
put on this fence when Link lever
is assembled to Trigger base.
Idler guide
Assemble Idler guide and Tension spring 4 to
Link block and secure them with Pin 2
as illustrated above.
Note: Use two Pin 3. After inserting the one of Pin 3 through the
left side holes, insert the other Pin 3 from the right side holes
and push out the former Pin 3 as illustrated above.
Holding Link block together with Idler guide and Tension
spring 4 in the center of Link lever, set Pin 3 into place.
Pin 2
Link block
Link lever
Pin 3
Pin 3
Pin 3
1
2
Tension spring 4 Link lever
P 12/ 14
Repair
Idler
Loop of
Tension spring 4
Idler guide
Arm
Idler
Trigger
Interlock Idler with Idler guide, bringing
Trigger to the position illustrated above.
And bring the loop of Tension spring 4
to Idler side.
Arm interferes with Trigger in moving to
the direction designated with arrow.
However, Trigger can be pushed to the place
as it is without trouble.
Hook the loop of Tension
spring 4 to Idler.
Trigger
Fig. 35

[4] DISASSEMBLY/ASSEMBLY
[4]-7 Trigger base section (cont.)
ASSEMBLING
Fig. 36
Fig. 37
Arm
1. Align the elliptic hole
of Arm with the hole
of Stopper.
2. Set Compression
spring 5 on Arm.
Stopper
Compression
spring 5
Trigger base section
Knob
Lock pin with
Compression spring 5
3. While passing this hook
portion into Trigger in
Trigger base, set Trigger
base section to Magazine.
4. Pass Lock pin from the
opposite side of Cam
portion through Arm
and Stopper. And turn
Lock pin to fit its half
moon section to that of
Knob.
1R266
Lock pin 5. While pressing Lock pin
toward Knob side, pass
1R266 through Knob and
Lock pin to reserve the
inserting route for Pin 2-8.
6. Putting Pin 2-8 onto 1R266,
press the Pin with water
pump pliers.
Pin 2-8 can be set in place.
Knob
1R266
Pin 2-8
(2) Mount the assembled Trigger base section to Magazine section in the order of Figs. 36 and 37.
P 13/ 14
Repair

[4] DISASSEMBLY/ASSEMBLY
[4]-8 Contact arm section
DISASSEMBLING
ASSEMBLING
(1) Disassemble Magazine section together with Trigger section as per the left illustration in Fig. 13.
(2) Separate Trigger base section from Magazine section as illustrated in Figs. 29 and 30.
Contact arm complete can be disassembled in the order of Figs. 38 and 39.
Push nut 3
Contact arm complete
Contact arm complete
Adjuster
Stopper
Pin 4
Compression spring 5
Remove Push nut 3 with Slotted screwdriver. Pin 4, Compression spring 5,
Stopper and Adjuster are removed from Adjuster as illustrated above.
Driver guide
Driver guide
Magazine
Adjuster
Fig. 38
Fig. 39
Driver guide cover
Arm Contact arm complete
Compression
Spring 5
Compression spring 3
Take the disassembling step in reverse.
Note: Use new Push nut 3. The current part has already been deformed since it was removed.
Compression
spring 3
M5x6 H.S. Button
head bolt (2pcs.)
Contact top cover
Do not unscrew
this bolt!
M5x6 H.S. Button head screw
(2pcs.)
Disassemble Arm, while paying attention not
to lose Compression spring 5.
And remove Driver guide cover while paying
attention not to lose Compression spring 3.
Disassemble Contact arm complete and Compression
spring 3.
Remove Contact top cover from Contact arm complete.
P 14/ 14
Repair