13
SF32 BobTail® Installation Tooling
(HK1180)
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 . Remove 4 capscrews and end cap cover .
5 . Remove locking pin .
6 . Using 5/8 inch hex wrench, unthread end cap from
cylinder assembly . Once completely unthreaded,
push out from front of tool .
7 . Remove 3 setscrews from piston to avoid damaging
seals upon reassembly .
8 . Push piston out of cylinder from front of tool .
9 . Using a small diameter, dull-pointed rod, remove
O-ring, back-up rings, wiper, piston seal, and
polyseals .
NOSE ASSEMBLY REMOVAL
1. Loosen setscrews on piston.
2. Turn anvil with wrench on flats or spanner wrench,
as required . (RH thread)
3 . Pull anvil off .
4 . Use 9/16 inch hex wrench to remove puller from
end cap. (LH thread)
SF32L ONLY
5. Loosen setscrews on anvil holder.
6 . Unthread anvil holder (RH thread) using 2 inch
wrench on flats.
d
IsasseMBly
WARNING: Be sure to disconnect tool
electrical control trigger system from
POWERIG® Hydraulic Unit BEFORE
disconnecting tool’s hydraulic hoses from
unit. If not disconnected in this order,
severe personal injury may occur.
