Marshalltown SG87SH SURFACE SHARK Floor Grinder - Manual (Page 15)

SG87Sh SuRFACE ShARK FLooR GRINDER PAGE 15
FIGuRE 4
FIGuRE 5
To index the tungsten carbide insert, proceed as
follows:
Tools required:
1 each, 5/32 inch Allen wrench.
1 each, 7/16 inch wrench.
1) Clean the ShARK TooTh unit with a suitable safety
solvent to remove excess material build-up. Remove
as much foreign material as possible from the female
hexagon socket area of the cap screw. This will allow
the wrench to make full contact and maximize the
torque transfer to the cap screw.
Follow all safety precautions for the safety
solvent.
2) Remove the cap screw from the unit. Clean the
newly exposed areas of the insert and ShARK TooTh
unit with the safety solvent. Clean and inspect the
threaded holes found in older units for excess wear.
ShARK TooTh units feature a through hole design.
3) Index the insert to expose a new edge. Reinstall the
cap screw (lock washer and hexagon nut on new style
units) and apply a torque value that properly seats the
insert firmly against the body of the unit.
An insufficient seating torque value will allow
the insert to become loose from the unit body,
resulting in premature component wear and
improper scraping action. An excessive torque
value will strip the threads of the cap screw or unit
body.
4) Determine that the unit body is free to rotate about
the 5/16 inch diameter cap screw that retains the body
to the unit. A body that does not freely rotate indicates
that a material build-up exists between the rubber
mount and retaining cap screw. This build-up must
be removed by disassembling the body from the unit
and cleaning all contact areas with the safety solvent.
FIGuRE 6.
The ShARK TooTh system is designed to be installed
with the edge of the tungsten carbide inserts facing the
direction of rotation. Markings are provided to indicate
proper direction of rotation.
FIGuRE 6