Laserfiche WebLink
Macro-CorAoi I Sampler — CloseAiston Operation <br /> Sampling Procedure <br /> l <br /> !t 1 Connect a drive cap to the drive head at the top end of <br /> the sampler <br /> } <br /> t Figure 4 Tightening 2 Assemble parts of the MC locking piston (Figure 2) <br /> bolt inside cutting Insert locking piston into cutting shoe (Figure 3) and a <br /> shoe with combina- tighten bolt with NIC combination wrench (Figure 4) <br /> tion wrench It using the MC Core Catcher, attach core catcher to c <br /> Cutting shoe, cup side away from cutting shoe Trim ¢ <br /> approximately 0 4 in 00 2 mm) trom the end of a MC <br /> PETG or Teflon liner then slide liner over core catcher <br /> h cup side Ill, onto cutting shoe (Figure 5) (Do not trim <br /> fr .x sample liner when used without core catcher ) It core <br /> catcher is not used attach cutting shoe assembly to <br /> sample liner <br /> r Figure 5 Sliding liner <br /> over core catcher and <br /> vcutting shoe 3 Insert liner into sample tube (Figure 6) and securely <br /> tighten the cutting shoe to the sample tube (Figure 7) <br /> 4 When working vtiith the smaller size Geoprobe machines <br /> (Models 4200, 4220 or 420U), raise the probe shell to <br /> the highest position then raise the toot oft the surtace to <br /> allow room to place the sampler below the hammer <br /> Raising the probe toot is not necessary when working <br /> Figure 6 Inserting «ith Models 5400 or 5400 Be sure to keep the derrick <br /> liner inside Macro- vertical Place MC sampler in vertical position under <br /> = Core sample tube hammer The MC sampler should always be positioned <br /> parallel to the axis of the probe machine derrick <br /> <a` 5 Place the sampler in the driving position (Figure 8) <br /> Raise the hammer latch into the "up" position while <br /> 3A <br /> initially driving the sampler to avoid contact with the <br /> drive head <br /> Figure 7 Cutting <br /> shoe with drive point <br /> is securely tightened <br /> onto sample tube <br /> mar <br /> Figure 8 MC sampler in <br /> driving position <br /> The Tools for Site Investigation <br /> bO°aao0-k aL}���a� �°� oOa���� a.¢ �ao� � oho •oa,a`d fiF °aA .o .� <br /> B.7 <br />