Huck ALCOA BOBTAIL BTT25-ST, Instruction Manual, Page: 13 / 20

BTT-ST family of BobTail® Hydraulic Tools
(HK1120)
Alcoa Fastening Systems
13
P
P
ARTS
ARTS
L
L
ISTS
ISTS
FOR
FOR
BTT25-ST, BTT35ST, & BTT57-ST
BTT25-ST, BTT35ST, & BTT57-ST
Refer to Figures 6, & 8-12 for Tool Assembly item numbers.
Item
note
Description BTT25-ST
Part Number
BTT35-ST
Part Number
BTT57-ST
Part Number
Qty.
1 Main Housing Assembly contains: 128698 121981 128716 1
1a Main Housing 128699 119018 128725 1
1b Lockscrew 121343 121343-35 121343-57 1
1c O-Ring 506077 506078 506079 1
1d Back-up Ring 501138 501142 501144 2
2 Piston Assembly contains: 128694 128282 128717 1
2a Piston 128695 128014 128727 1
2b Pipe Plug (not shown) 507635 503703 503703 2
2c Back-up Ring 501148 501151 502855 2
2d O-Ring 506080 506089 506085 1
3 Rear Piston Assy contains: 128696 128281 128718 1
3a Rear Piston 128697 128590 128726 1
3b Polyseal 505917 505918 505919 1
3c Back-up Ring 501108 501112 501144 3
3d O-Ring 500814 500818 500850 1
3e O-Ring 500814 503808 500850 1
4 Forward Gland Assy contains: 128708 121890 121891 1
4a Forward Gland 128707 121878 121879 1
4b Wiper 506064 506065 506066 1
4c Back-up Ring, inner 501142 501144 503610 1
4d O-Ring, inner 506078 506079 506082 1
4e Back-up Ring, outer 501148 501151 501155 1
4f O-Ring, outer 506080 506089 506090 1
5 Rear Piston Shield 128706 125903 128721 1
6 Locater Button 125902 125902 125902-1 2
7 Retaining Ring 507473 507474 503448 2
8 Suspension Sleeve 128702 128430 128722 1
9 Piston Locking Screw 128701 128440 128701 1
10 Hydraulic Hose 128788 118944-2 123749-2 2
12 Male Coupler 110438 110438 110438 1
13 Female Coupler 110439 110439 110439 1
15
Trigger & Terminal Box Assy
See Figure 8
129074 129070 129075 1
17 Switch Housing Assy
See Figure 9
128745 129069 129372 1
18 Actuator Rod 128772 128397 128754 1
19 Limit Switch Rod Guide 128752 128396 128755 1
20 Spring 508308 508308 508308 1
21 Limit Switch Rod 128750 128395 128753 1
22 Adapter Plate n/a n/a 128751 1
23 Screw n/a n/a 504284 4
24 Huck Sticker 590059 590059 590059 1
25 CAUTION Keep Clear Sticker 590259 590259 590259 1
26 CAUTION Pressure Sticker 590189-5 590189-5 590189-5 1
27 Reducer Bushing 503431 503431 n/a 2
28 Tubing n/a 504173 n/a 1