TJ-20
MUST REPLACE 100%
HIGH WEAR 70%
MEDIUM WEAR 50%
LOW WEAR 30%
NON WEAR 10%
SUBJECT TO EXTERNAL DAMAGE
Symbol
No.
Parts No.
Q'ty
Req.
Description
This service chart is a guide to
1
430120A0B
1
Back Head CP
X
expectant life of component parts.
2
430126A41
1
Throttle Valve
X
The replacement levels are based on average
3
430126A50
1
Throttle Valve Handle
X
tool usage over a one year period.
4
430160A60
1
Throttle Valve Plunger
A
5
130803011
1
Throttle Valve Spring
A
6
430101A70
1
Throttle Valve Bolt
A
Example : For 10 tools in use:10
7
134401010
1
Hex Nut (M10)
A
must ーreplace items will be required per year,
8
131301010
1
Spring Washer (M10)
A
7 high wear items, etc.
9
430101B00
1
Air Connection Tube (PT)
X
10
430101B31
1
Air Connection Nut
X
Note:Quantities must be increased if the tool
11
131101023
1
O-Ring P-24
X
is in more service or continuous usage.
12
131101030
1
O-Ring P-30
X
13
130803004
1
Air Connection Clamp
X
17
430120B7D
1
Grip Handle Assy (Incl.17A , 17C , 17D)
X
X-Type of wear, if no other comments apply.
17A
430120C11
(1)
Handle Support (R)
X
A-Easily lost or damaged during disassembly
17C
136603005
(1)
Center Grip Handle
X
and reassembly.
17D
430126B7A
(1)
Grip Handle Support CP
X
18
430120C8F
1
Cylinder CP (Incl.18A and 18E)
X
18A
430120C81
(1)
Cylinder
X
18E
430126D10
(1)
Cylinder Bushing
X
20
430126F80
1
Valve
X
21
430126F90
1
Valve Chest
X
22
430126G20
1
Valve Guide
X
23
130403011
1
Valve Knock 4.7X53
X
24
430126G60
1
Ratchet
X
26
430126H01
1
Rifle Bar
X
27
430126H10
1
Rifle Nut
X
430126E50
1
Piston (without groove)
X
430126E60
(1)
Piston (with groove)
X
29A
430160H20
4
Rotation Pawl
X
29B
136303002
4
Pawl Plunger
A
30
130803006
4
Pawl Plunger Spring
X
430127H6D
1
Rotation Sleeve (L) CP (7/8X4-1/4)
X
430126H5C
(1)
Rotation Sleeve (S) CP (7/8X3-1/4)
X
430127H60
(1)
Rotation Sleeve (L) (7/8X4-1/4)
X
430126H50
(1)
Rotation Sleeve (S) (7/8X3-1/4)
X
430127H80
(1)
Sleeve Bushing (L) (7/8X4-1/4)
X
430126H70
(1)
Sleeve Bushing (S) (7/8X3-1/4)
X
33
131503005
2
Through Bolt
X
34
430126W10
2
Through Bolt Nut
X
35
131301014
2
Spring Washer M14
X
430127W70
1
Front Head (L) (7/8X4-1/4)
X
430126W60
(1)
Front Head (S) (7/8X3-1/4)
X
37
430126W80
2
Front Head Bushing
X
38
430126K90
1
Steel Holder
X
39
430126L00
2
Steel Holder Bolt
X
40
134203004
2
Steel Holder Nut
X
41
130803010
2
Steel Holder Spring
X
52
430126J50
1
Blow Tube Grand
X
54
131101027
1
O-Ring P-28
X
55
430126J40
1
Blow Tube
X
56
136103020
1
Blow Tube Rubber Packing
X
57
430126J71
1
Tube Washer
X
58
136303004
1
Blow Port Connection
A
110
430301B7A
2
Grip Handle CP (Incl. 110A , 110B)
110A
136603008
(2)
Grip Handle
X
110B
430301C50
(2)
Grip Handle Pipe
X
111A
131503006
1
Handle Bolt
X
111B
131307016
1
Plane Washer M16
A
111C
134501016
1
U-Nut M16
A
111D
430101C40
1
Grip Handle Washer (L)
A
144
430101V0J
1
Line Oiler CP (LO-150)
X
800
430120Y1C
(1)
Muffler CP (OPTION)
X
11
9th edition
LEGEND
28
31
31A
31B
36
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