Specifications

15
TROUBLESHOOTING
57
Frost occurs on head or
knuckle.
Frost occurs evenly over
the cylinder surface.
Miscellaneous frost spots
on cylinders.
Delivery gas is too cold.
In liquid delivery, liquid is
mixed with high amount
of gas.
In CO
2
service, cylinder
does not deliver product
properly.
Residual frost remains from
l
ast fill or recent product
use.
Sight gauge is leaking.
The gas withdrawal rate is
high. Both the P. B. and gas
use vaporizers are frosted.
Cylinder has lost vacuum.
Cylinder may have internal
damage.
Delivery rate exceeds rec-
ommended delivery.
Cylinder pressure is higher
than optimum for liquid with-
drawal.
Possible dry ice blocks have
formed in system.
This is normal. Ice may remain for days after a
fill or heavy use.
Check for gas escaping from under sight gauge.
Refer to Section 16, page 62, for repair.
This is normal.
This is accompanied by high rate of pressure rise
or high loss rate. Call Chart for return instructions.
Call Chart for evaluation or repair/return information.
Refer to Section 6, pages 14-16, for recommended
maximum delivery rates.
Refer to Section 16, page 61, for instructions on re-
setting the cylinder pressure for liquid use. Also, use
a phase separator on the end of the transfer hose.
Refer to Section 16, page 60, for reliquefying
procedures.
For further information contact Chart's Technical Service Department at [phone] or [phone].
Problem Problem Cause Corrective Action