Klein Tools Pole and Tree Climbers, Including Gaff Sharpening - Manual (Page 7)

Gaff Sharpening Instructions
(continued)
4.
Do not make a needle point.
In order to not make a needle point (see Figure 21), file
both side slopes to obtain straight edges. The top ridge of
the gaff (see Figure 20) must be perfectly straight from the
tip back at least 1" (25.4 mm) and should not be altered.
Deep nicks, dents, or scratches along the top ridge require
gaff replacement. The final point must always be in the top
ridge of the gaff.
5.
Maintain proper shape on underside of gaff.
The underside of the gaff should be perfectly straight (flat)
to within 1/4" (6.35 mm) of the point, then rounded slightly
toward the top ridge of the gaff on a radius of 1/4" (6.35
mm) (see Figure 19). At a distance of 1/16" (1.59 mm)
back from the point, the width should be a minimum of
3/32" (2.38 mm) measured on the underside of the gaff
(see Figure 22). The remainder of the underside should
be kept perfectly straight (see Figure 20).
6.
Replace gaffs when necessary.
Pole climbers should not be used after the underside of
the gaffs are worn or filed to 1-7/16" (37 mm) long. Tree
climbers should not be used after the underside of gaffs
are worn or filed to 2-1/4" (57 mm) long. When bark
thickness measures more than 2-1/2" (64 mm), make sure
the gaff has adequate length to properly penetrate the
wood under the bark.
When climber gaffs measure less than the above limits,
they should be replaced with a new pair. For your
protection, Klein recommends that climbers be replaced
when original gaff and two replacement gaffs have been
used on the climbers.
7.
Check final result after sharpening.
Use the KG-1 gauge when inspecting the gaff. Replace
the gaff if it fails the gauge tests.
Wrong
Sharp Cutting Edges
Figure 21
Right
Cross Section
View of Point
3/32" 1/16"
7
Figure 22
Gaff Assembly and Ordering Instructions
Gaff Assembly
1.
Attach gaff with locator pin (B) to
middle hole of leg iron.
2.
Thread longer screw (C) into
bottom hole (nearest gaff point). Do
not seat screw.
3.
Thread shorter screw (A) through flat portion of gaff.
4.
Alternate tightening of both screws until seated. Do not
exceed 24 ft.-lb. torque on screw.
Gaff Ordering. Gaffs are supplied in pairs with TORX®
screws and wrench. No. 72 gaffs, No. 86 gaffs, and No. 07
gaffs are interchangeable and fit all Klein replaceable-gaff
climbers.
Cat. No. Description
72 Pair of 1-1/2" (38 mm) gaffs. For pole
climbers only.
86 Pair of 1-9/16" (40 mm) gaffs. For pole
climbers only.
07 Pair of 2-3/4" (70 mm) gaffs. For tree
climbers only.
A
B
C
86 07 72