4 - 4 1 . ( c o n t )
A box-end ratchet wrench is preferable as the pull
on the expander or one-piece insert body should be
made at a uniform rate and as quickly as possible.
(7) Hold header perpendicular to plane of work. Hold jackscrew
stationary with hex wrench.
Turn hex nut in clockwise direction through 60'
angle and repeat until firm resistance indicates complete upset of sleeve or
one-piece insert body.
Approximate number of turns required to upset is as
Turns (Min Grip)
Turns (Max Grip)
(8) Break hex nut loose with
counterclockwise rotation. Remove both
wrenches from header.
(9) Remove header from installed
insert by rotating entire header in counter-
CAULKING REPAIRED AREAS
Mix sufficient amount of sealing compound (Item 19, Appendix E) in
accordance with manufacturer's instructions.
Maximum application life of sealing compound is
b. Just prior to application of sealing compound, clean surface to be
sealed with cloth (Item 5, Appendix E) dampened with solvent (Item 20,
Dry with a clean cloth before solvent evaporates in order to prevent