Heath Consultants Detecto-Pak 4 (DP) User Manual

Page 27

peration

100786-0 Rev. D

05/09

4. Insert the fuel cylinder into the cylinder holder at the rear of the

instrument. Turn the cylinder clockwise until the high pressure gauge

moves upscale. Turn cylinder an additional 1/4 to 1/2 turn, or until

snug. Do not over-tighten the cylinder.

5. Replace the sample inlet filter if dirty, contaminated, or wet. A clean

filter should always be inserted in the filter cup prior to each use.

Replace filter daily or more often if required. (See Chapter Eight,

Section VIII - B, Filter Replacement, for details.)

6. Attach extended probe assembly to the Detecto-Pak 4 by firmly

pressing the connector on the end of hose into the quick connector

on the filter housing.

7. Depress the POWER switch. Continuous alarm will sound until the

fuel is ignited in the detector cell. NOTE: When first turned on,

the alarm will sound and then will be silent for approximately eight

(8) seconds. Then the continuous flame out alarm will sound until

instrument is ignited.

8. Press Battery test switch. Meter needle should indicate in the green

zone.

9. Depress Range switch to put instrument in the 10K ppm range and

allow one (1) minute for fuel line to purge.

CAUTION

Instrument MUST be ignited in the 10K ppm range.

10. Press the Igniter button. The continuous “flame out” alarm should

stop within twenty five (25) seconds. This indicates the fuel in the

detector cell is ignited. If continuous alarm is still on, repeat this

step until the continuous alarm stops.

11. Allow five (5) minutes for the Detecto-Pak 4 to warm up. Warm

up may take up to fifteen (15) minutes during cold weather. It is

advisable to store the Detecto-Pak 4 in a warm room overnight rather

than to leave it outside in cold weather.

12. Zero meter using the ZERO switches

CAUTION

Care should be taken that instrument and operator are in a nonflammable

(clean air) atmosphere.