Sahara Sahara-Pak HC-1260, Instruction Manual

Page: 29 / 136

INSTRUCTION MANUAL
Model HC
Reference 219 Rev 2
Page 29 of 46 06/20/2013
2.1.3.1 Replacement / Disposal of Desiccant (continued)
For first time fill-up

For first time fill-up, remove nuts, bolts, yokes, cover, and
gasket from the manway at the top of the tower (ON
LARGE TOWERS WITH MANWAYS).

Remove plug from desiccant fill (ON SMALL TOWERS
WITH THREADED DESICCANT FILLS).

Pour specified amount of desiccant into the tower. Refer to
the Specifications in Section 5 for required desiccant
quantity.

Do not tamp the desiccant.

Replace the manway cover components, or the pipe plug,
and tighten.

Repeat process for other tower.

Make sure all drain and fill ports are in place and properly
tightened. Soap test for leaks before placing the dryer in
service.
To replace used desiccant

To replace used desiccant, do not attempt any
maintenance while dryer is pressurized.

First, isolate the dryer (IF BYPASS VALVING HAS BEEN
INSTALLED), or shut off compressor, turn off dryer, then
slowly depressurize the dryer.

Drain desiccant from tower by removing the plug at the
bottom of the tower and catch the old desiccant in a
suitable container.

When the tower is completely drained, remove the nuts,
bolts, yokes, cover, and gasket from the manway at the top
of the tower (ON LARGE TOWERS WITH MANWAYS).