Instron 2603-080, Reference Manual

Page: 16 / 36

Chapter: Installation
2-4 M26-16269-EN
1. Bolt the support plates to the base platen using M10 screws and washers. Do not tighten
at this stage.
2. Slacken the thumbscrew and slide the keep plate forwards on the extensometer to
release the counterweights (see Figure 2-1 ). Re-tighten the thumbscrew.
3. Attach the extensometer to the support plates with the shoulder screws and springs.
4. Tighten the M10 support plate screws.
5. Remove the thumb nuts, washers and bolts from the arms. Slide the arms over the top of
their respective carriage, as shown in Figure 1-1 and Figure 3-1 . Replace the thumb
nuts, washers and bolts.
6. On 4200 Series machines, plug the extensometer into the socket on the end of the
console extensometer cable.
7. On 3300, 4400, 5500, 5800 and 5900 machines with two T-slots on the back of the
column covers, ensure that the load cell cable is secured by a cable clip in the inboard T-
slot. Remove the cable tie holding the extensometer cable to the support tube and secure
the cable with two cable clips in the outboard T-slot. Plug the extensometer into the 25-
way extensometer socket on the testing machine.
8. On 3300, 4400, 5500, 5800 and 5900 Series machines without two T-slots on the back of
the column covers, plug the extensometer into the 25-way extensometer socket on the
testing machine.
9. Ensure that the spring clips on the extensometer connector are gripping the socket.
10. Insert the four M6 jacking screws into the extensometer base plate such that they just
touch the support plates.
Installation of the 2603-080 or 2603-085 onto 4300 Series Two Column Machines
The extensometer is normally mounted on the base platen of the machine but it can also be
fitted to the underside of the fixed crosshead.
Figure 2-3 shows a base mounted installation.
1. Fit the four pillars to the base platen in the two pairs of M10 holes 280 mm apart.
Tighten the pillars.
2. Bolt the support plates to the pillars using M10 screws and washers. Do not tighten at
this stage.
3. Slacken the thumbscrew and slide the keep plate forwards on the extensometer to
release the counterweights (see Figure 2-1 ). Re-tighten the thumbscrew.
4. Attach the extensometer to the support plates with the shoulder screws and springs.
5. Tighten the M10 support plate screws.