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49
Mount fixtures
Product Support:
Warning
Caution
Grip jaws that extend beyond the crosshead during a test will cause serious damage to the
grip jaws and lead to grip pocket deformation. Use as many filler plates as required so that
the narrow end of the grip jaw does not protrude through the crosshead when the specimen
is gripped.
6. Open and close the grip jaws several times using the crank handle to check grip jaw action and
ensure freedom of movement. If the grip jaws stick, remove them and apply more lubricant until the
problem is resolved.
7. Install the grip stop plate on the tension crosshead and secure with the socket head cap screws (use
hex key stated in
8. Repeat steps
through
to install the remaining set of grip jaws into the adjustable crosshead. It is
not necessary to remove the bumper plate from the bottom of the crosshead because the grip jaws
can be inserted into the crosshead through the top of the grip pocket. When step
is reached, the
grip jaws must be inserted one at a time into the pocket. Also, remember that the grip jaws must be
inserted with the narrow end up.
9. The grip jaws are now ready to clamp a test specimen. See
for
recommended procedures on inserting a specimen into the grip jaws. When performing repeated
tests with the same set of grip jaws, it will be necessary to apply fresh lubricant to the grip jaws and
filler plates as described in
“Lubricate the grip assemblies”
Be careful not to injure fingers when inserting heavy filler plates.
Filler plates can be inserted or removed from the tension crosshead with the grip stop plate in place.
Table 11. Specifications for grip stop plate and jaw retainer cap screws.
Frame Model
Grip Stop Plate SHCS
(item 6,
Jaw Retainer BHCS
(item 8,
Size
Quantity
Size of Hex Key
Needed
Size
Quantity
Size of Hex Key
Needed
300DX-G1
M10 x 30 mm
2
8 mm
3/8-16 x 0.75 in
4
7/32 in
600DX-G1
M16 x 35 mm
2
14 mm
3/8-16 x 0.75 in
4
7/32 in
Содержание 300DX
Страница 10: ...Preliminary Pages 10 M47 17027 EN ...
Страница 28: ...Chapter 2 Specifications 28 M47 17027 EN ...
Страница 32: ...Chapter 3 Operation 32 M47 17027 EN Figure 5 User control panel ...
Страница 90: ...Chapter 4 Maintenance 90 M47 17027 EN ...
Страница 92: ...Appendix CE Certificate 92 This page is intentionally blank ...
Страница 95: ......
Страница 96: ...Product Support www instron com ...