ADR-Auto Range
13
9901X0215 Issue 5
The bleed screw on the ADR-Auto 250 Compression Frame is accessible after lifting
off the lower platen (and any distance pieces), unscrewing the 4 screws now visible
and then removing the ram extension.
The bleed screw on the 25 kN Frame is accessible after unscrewing the grub screw in
the side of the ram extension and then by removing the ram extension together with
the fixed lower platen still attached to it.
3.3.2.1 Operate the Console (refer to section 4) to provide a flow of oil to the Compression
Frame and unscrew the bleed screw no more than four turns. Air and oil will escape
from the bleed screw. When the oil is free from air bubbles, close the bleed screw
and tighten firmly. The hydraulic ram should now rise.
Note: If the Compression Frame has a front gate with safety interlock, this must
be closed before the console pump will operate.
3.3.2.2 If an additional loading frame or Flexural Frame is fitted then repeat 3.3.2.1 but using
the bleed screw on the other Frame.
3.3.2.3
Note:
remember to change the operating mode (refer to section 4.6.1) when bleeding
additional frames.
3.4 Distance
Pieces
Since the maximum platen travel on a 1500, 2000 and 3000 kN Compression Frame
is 50 mm, the vertical clearance between the upper and lower platen should be
adjusted using distance pieces, according to the specimen being tested. The
distance pieces are located on the ram spigot and then the lower platen is placed on
top of the distance pieces, located by the spigot.
Ensure that all mating surfaces between the ram, distance piece(s) and platen are
free from concrete debris etc. before assembling these items.
These machines are supplied with a 20 mm distance piece ready for testing 300 x
150 mm diameter cylinders.
Note:
the distance pieces must
NOT
be used on top of the platen.
Recommended Distance Pieces for Cement & Mortar testing for EL39-6150 &
6155 machines
Sample Size
Distance pieces required
40 X 40 mm *
EL39-6210
EL39-6220
50 X 50 mm
EL39-6210
EL39-6220
70 X 70 mm
EL39-6215
EL39-6220
100 X 100 mm
EL39-6220
-
* When not using compression Jig EL39-5600