Sahara Sahara-Pak HC-1260, Instruction Manual

Page: 27 / 136

INSTRUCTION MANUAL
Model HC
Reference 219 Rev 2
Page 27 of 46 06/20/2013
2.1.1.3 EVERY 8000 HOURS OR 12 MONTHS (continued)
5. Rebuild the secondary drain valve by installing a valve
repair kit (SD).
6. Disassemble and clean the primary drain (FT).
7. It is recommended that the aftercooler be back-flushed and
thoroughly cleaned, both tubeside and shellside, at 8,000
hours; but this interval should be adjusted shorter or longer,
based on water quality and plant experience.
8. Refer to the operational instructions for the dew point
demand system installed on this dryer in Section 6.
9. Make certain all air, electric, and water connections are
sound.
10. Open the cooling water supply valve and adjust as
required.
11. Repressurize the dryer and place "onstream".
12. Reconnect power to the dryer.
2.1.1.4 EVERY 16,000 HOURS OR 24 MONTHS
1. Perform steps 1 through 9 as outlined in "Every 8000 Hours
or 12 Months”.
DO NOT REPRESSURIZE DRYER OR RECONNECT POWER TO THE
DRYER YET!
2. Drain all the desiccant from both vessels through the drain
at the bottom of each vessel.
3. Refill both vessels with the proper amount of desiccant as
noted in the Specifications in Section 5.
4. Make certain all air, electric, and water connections are
sound.
5. Open the cooling water supply valve and adjust as
required.
6. Repressurize the dryer and place "onstream".
7. Reconnect power to the dryer.