Bacharach PUR-CHEK Manual de Instruções descarregar pdf (Página 18)

Pur•Chek™ Pro O

peration and Maintenance Instruction Manual

4 P/

N 2100-9001 Rev 2

the brass o

il restrictor. If oil is visible in the low pressure vapor hose, replace the hose and brass

restrictor with P/N 2100-0010 (refer to Table 1-2 on page 3).

For the High Side Liquid Sampling Hose, inspect the inside diameter of the tube for signs of oil build up,

dirt, obstructions, kinks, cuts, fraying, or any other signs of wear. Oil contamination cannot be cleaned

out of sample hoses due to the density of the oil restrictor. If oil is visible in the high pressure liquid trap

Hose, replace the hose and restrictor with P/N 2100-0010 (see Table 1-2 on page 3).

To replace the Restrictor Assembly, follow the instructions below.

1) Disconnect the sample hose from the Identifier.

2) Remove the brass restrictor (with hose attached) from the coupler and discard. Be sure to use a

backing wrench to avoid damaging the coupler.

3) Check for signs of oil and debris in the coupler.

4) Using a cleaner which ONLY contains tetrachloroethylene and carbon dioxide (e.g., “CRC

Brakleen” or similar), follow safety instructions on the can and spray all parts of the coupler with

the cleaner to remove the oil.

IMPORTANT: D

O NOT soak the parts for more than 60 seconds.

5) A

llow coupler parts to dry. Check coupler parts for oil once again. Failure to clean the oil out of

the coupler will result in premature clogging of the new filter.

6) Install the new brass restrictor (P/N 2100-0010) into the coupler and lightly tighten. Usually finger

tight is sufficient.

5.4. Changing the Printer Paper

Pur•Chek™ Pro Refrigerant Analyzers that are equipped with on-board printers use an inexpensive

thermal paper for printing. The paper roll should be changed when a red stripe appears on the left side of

the printout.

To change the paper roll, press the HELP button on the “Ready to Air Cal” screen as shown in

Figure 4-2B (on page 9). The screen will display several options as shown in Figure 5-2A. Press the

SET button to advance to the screen shown in Figure 5-2B. Press FEED to display the Load Paper

screen (Figure 5-2C).

(A) (B) (C)

Figure 5-2. Screens Used in Changing Printer Paper

Open the printer door and remove the old roll by tearing the paper as it enters the printer then pressing

the FEED button shown in Figure 5-2C until the old roll exits the printer completely. Insert the new paper

roll from the underside as shown in Figure 5-3.

TO CHANGE

SETTINGS OR

REPLACE PAPER

ROLL PRESS SET

FOR OTHER HELP

PRESS HELP

SET HELP DONE

TO FEED IN A

NEW PAPER ROLL

PRESS FEED

PRESS SET TO

ADJ LCD CONTRAST

SET FEED DONE

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