13
SF46 BobTail® Installation Tooling
(HK1181)
Alcoa Fastening Systems & Rings
The following procedure is for complete disassembly .
Disassemble only the components necessary to check
damaged O-ring, wiper, back-up ring, piston seal, or
other components .
1. Disconnect electrical control cord from powerig.
2 . Uncouple tool’s hydraulic hoses from powerig .
3 . Remove nose assembly from tool (refer to
n
ose
a
sseMBly
r
eMoval
section below) .
4 . Using 3 .25 inch wrench, unthread
Gland fully and remove .
5 . Pull piston out of cylinder assembly
from front of tool .
6. Remove 2 capscrews and NPT plug
cover .
7 . Remove locking pin .
8 . Push puller holder out of cylinder from
back of tool .
9 . Using a small diameter, dull-pointed
rod, remove O-ring, back-up rings,
wiper, piston seal, and polyseals .
NOSE ASSEMBLY REMOVAL (Figure 5)
1. Turn anvil with wrench on flats or
spanner wrench, as required . (RH
thread)
2 . Remove retaining ring from back of
tool .
3 . Pull anvil off .
4 . Use 7/8 hex wrench to remove
lockscrew from puller holder . (RH
thread)
5. Remove cap screws, NPT plug cover
and puller holder retainer .
6 . a .
For installation noses and 3/4” and 20 mm
cutter puller
:
Push the puller through the rear of the tool and
out .
b. For cutter noses for 7/8” and larger, which
will not fit through the puller holder:
Push the puller rearward through the tool until
the puller retainer is exposed . Unscrew (RH
thread) and remove puller retainer . Then push
puller out through the front of the tool .
d
IsasseMBly
WARNING: Disconnect tool electrical control
trigger system from Powerig® Hydraulic
Unit BEFORE disconnecting tool hydraulic
hoses from unit. If not disconnected in this
order, severe personal injury may occur.
Anvil
Tool with large diameter cutter nose
Cutter Puller
Puller Retainer
Retaining
Ring
Anvil Assembly
Lockscrew
Puller
Tool with small diameter installation nose
Anvil Adapter
Plug Cover
Puller
Holder
Retainer
Cap Screw
(3)
Retaining
Ring
Lockscrew
Plug Cover
Puller
Holder
Retainer
Cap Screw
(3)
Nose Component
Tool Component
Figure 5