SFBTT20-IT BOBTAIL® Hydraulic Tool
(HK1121)
Alcoa Fastening Systems
12
Item
Description
SFBTT20-IT
Qty.
1
Handle Assembly
129201
1
1a
Trigger Switch Assy
120361
1
1a1
Trigger Switch
128743
1
1a2
O-Ring
500779
1
1b
Handle
129017
1
1c
Button Head Screw
502489
4
1d
Clamp Guide
128838
1
1e
Strain Relief Assy
505344-3
1
1f
Cord Assembly
129200
1
1g
Bullet Receptor
507174
1
2 *
Piston Assembly
128837
1
3
Wiper
506067
1
ü
4
Back-up Ring
501151
1
ü
5
O-Ring
506089
1
ü
6 *
Cylinder Assembly
128978
1
7
Back-up Ring
501154
3
ü
8
O-Ring
503850
2
ü
9
End Cap
128976
1
10
O-Ring
506619
1
ü
11
Back-up Ring
501147
1
ü
12
Set Screw
501780
3
13
Hydraulic Hose
124881-6
2
14
Hex Reducing Bushing
503431
2
15
Female Coupler
110439
1
16
Male Coupler
110438
1
17
Switch Housing Assy
129300
1
17a
Switch Housing
128980
1
17b
Limit Switch Lever
128823
1
17c
Compression Spring
508368
1
17d
Set Screw
508364
1
17e
Dowel
501349
1
17f *
Switch Assembly
129299
1
17g
Cap Screw
505879
2
17h
Set Screw
508365
1
18
Cap Screw
500062
6
19
Locking Disc
122764
1
20
Locking Disc Cover
128983
1
21
Wiring Cover
128982
1
22
Cap Screw
500061
12
23
End Cap Cover
128981
1
24
Button Head Screw
502471
1
25
Actuator Rod Assy
129292
1
25a
Actuator Rod
129290
1
25b
Retaining Ring
506063
1
T
T
OOL
OOL
A
A
SSEMBLY
SSEMBLY
P
P
ARTS
ARTS
L
L
IST
IST
(Figures 5 and 6)
ü
These parts are also
included in the tool Service
Kit (see
K
K
ITS
ITS
AND
AND
A
A
CCESSORIES
CCESSORIES
) for each tool.
*
When replacing these
parts, the assembly must
be ordered. The individual
sub‐components are not
sold separately.