Chapter 3: Operation
38
M47-17027-EN
Change height of tension test opening
Warning
The height of the tension test opening can be changed. To change the height, adjust the position of the
adjustable crosshead, the tension crosshead, or both. Adjustment can only be done between tests, never
during a test.
Adjust the position of the adjustable crosshead
For procedure on moving the adjustable crosshead, see
“Adjustable crosshead control switch”
in
.
Adjust the position of the tension crosshead
The crosshead can be placed at any of the available notches in the notched columns (see
for available notch information). The tension crosshead is supported and secured by retaining
rings that fit into the notches. The number and style of retaining rings used depends on the frame model,
see
. However, all frame models have lower retaining rings that are installed in the
notches that are directly below the crosshead.
Equipment required
•
A suitable stable platform such as a man-lift, stairs, or ladder. The platform must be of sufficient
height so that the operator can reach the tension crosshead.
•
Blocks of lumber to support the tension crosshead
•
A hex key, refer to
for size needed (supplied)
•
No lifting equipment is necessary, the adjustable crosshead can be used as an elevator
Recommended procedure
1.
Start the system; see page 37.
2. Adjust the adjustable crosshead so that blocks of lumber can be placed between the tension
crosshead and the adjustable crosshead. Adjust the crosshead as follows:
a. To lower the tension crosshead, raise the adjustable crosshead so that it has enough travel to
move downward.
b. To raise the tension crosshead, lower the adjustable crosshead so that it has enough travel to
move upward.
Always wear appropriate personal protective equipment when preparing, operating and
maintaining this equipment. Personal protective equipment should include, but is not
limited to, eye protection and head protection. Other types of personal protective
equipment may also be needed. You must perform your own risk assessment and take
appropriate measures to protect yourself from harm.
Frames with G8-style crossheads do not have a tension test space and do not have a tension crosshead
or notched columns.
Summary of Contents for 300DX
Page 10: ...Preliminary Pages 10 M47 17027 EN ...
Page 28: ...Chapter 2 Specifications 28 M47 17027 EN ...
Page 32: ...Chapter 3 Operation 32 M47 17027 EN Figure 5 User control panel ...
Page 90: ...Chapter 4 Maintenance 90 M47 17027 EN ...
Page 92: ...Appendix CE Certificate 92 This page is intentionally blank ...
Page 95: ......