GSP210/250 Core Trimmer/Cut-Off Machine
70-0250
3 9901X0101 Issue 3
1 Introduction
1.1 This unit, which is designed primarily for use in rock mechanics, can also be used in
mineralogy, ceramics and refractory sample preparation. Two vices are supplied, one
for securing regular and irregular samples up to 70 x 125 mm, and the other a V-vice to
enable the opposite ends of cores up to 57 mm diameter x 140 mm long to be cut
parallel and square to the longitudinal axis. Cores longer than 140 mm can be
prepared by reversing the specimen in the vice. The unit can also be used to prepare
small cubes. Coolant is supplied to the cutting disc by means of mains water or by the
Pump Unit 70-0310 series.
Approximate dimensions 406 x 915 x 760 mm. Rated power 750 W.
2 Safety Notes
Important: always use ear protectors and goggles when using the machine. Avoid
loose clothing. Take extreme care when cutting. Ensure the vice is fully tightened. Do
not put hands inside the machine whilst cutter is revolving.
3 Installation
3.1 This machine should be installed on a flat surface.
3.2 To fit diamond wheel or abrasive wheel, remove end cover of wheel guard, nut and
outer wheel flange. Swing water pipes forward clear of wheel by releasing pipe nut
inside wheel guard. Clean faces of wheel flanges, mount wheel on spindle, replace
outer wheel flange and nut. To tighten nut insert tommy bar through collar of wheel
guard into spindle to prevent spindle turning while tightening nut. Replace cover of
wheel guard. Reset water pipes either side of wheel and tighten pipe nut.
4 Electrical Supply
Electrical safety
Warning: Before removing any covers or performing maintenance repair and service,
isolate from electrical supply by removing mains plug. Where mains supply is required
during these activities, only competent persons should perform the work.
4.1 Check that the power supply is compatible with the requirements stated on the label
and connect in accordance with IEE regulations or to local requirements.
4.2 It is advised that this machine be connected via a residual current device (not
supplied), and it should operate if earth leakage current exceeds 0.03 amps.
4.3 The power cable is coded as follows:
Brown wire L Live or Power
Blue wire N Neutral
Green/Yellow wire E Earth or Ground
Exercise extreme caution when using the machine with wet hands. Dry hands before
operating machine.
5 Coolant
5.1 Connect hose to hose nipple on water pipes and connect other end to coolant pump
hose nipple on coolant tank or to main water if no coolant tank is in use. Connect hose
to drain nipple on machine tray and insert other end through hole in coolant tank lid or,
if main water is being used, away to waste.
6 Cutting
6.1 Three types of vice are supplied:-
