Barranca Diamond PF10 Power Feed Trim Saw - Manual (Page 23)

23
Fig 31. Motor reset button.
DIAMOND BLADE
Periodically, the diamond blade on the PF10 Trim Saw will need to be resharpened should slow or poor sawing
performance occur. Dull or “glazed over” diamonds will either not cut thus stalling the saw and shutting off
the motor, or the rock vise and rock material will ride up the blade and possibly damage the blade or “dish”
the core. Once the saw begins to labor or struggle to cut gemstones, the user is advised to use the provided
sharpening stick and resharpen the blade. Resharpening can be performed either with the automatic
power feed (stick secured in vise) or manually with the power feed disengaged and a few slabs cut from the
sharpening stick. If no sharpening stick is available, the user could use an abrasive material such as cinder
block or brick to remove the glazing over the diamonds on the rim of the blade.
Eventually all diamond blades wear out and must be replaced with a new blade. New continuous rim diamond
blades (303 Pro for example) should be mounted on the blade arbor so that the arrow marked on the steel
core is pointing in the direction of blade rotation while in use. If the arrow cannot be found, use a hand lens or
magnifying glass to inspect the rim and see the head and tail of any individual diamond. To correctly mount
the blade, the head of the diamond must cut first into the rock with the tail trailing behind. For notched rim
diamond blades (297 or 301 models for example), it does not matter which way the blade is orientated on the
arbor shaft.
DIAMOND BLADE INSTALLATION AND REMOVAL
Fig 32. Blade arbor and inner flange Fig 33. Blade arbor, blade, outer flange and jam nut
To access the diamond blade for inspection or replacement, loosen the four flat-head screws (fig 1) that secure
the saw table to the reservoir tank and remove the saw table. The blade is mounted on the 5/8“ blade arbor
(fig 32) between two aluminum blade flanges. A 5/8"-18 left-handed jam nut secures the flanges and blade to
the arbor shaft (fig 33). Hold the blade with one hand and use a 15/16" wrench to tighten or loosen the jam nut
(fig 34). The jam nut has left handed threads and is turned counterclockwise to tighten and clockwise to loosen.
DO NOT OVER TIGHTEN THE JAM NUT! Note: blade flanges must always be installed with their concave or
recessed side (fig 35) facing the blade.
PF10 DIAMOND BLADE