Table 4. Pressure Gage Performance Limits

Adjustments. No adjustments can be made.

manometer (A2) to atmospheric pressure.

(6) Disconnect the test equipment.

Figure 3. PRESSURE gage performance check, equipment setup.

Table 4. Pressure Gage Performance Limits

Scale major Division Indications

Acceptable Manometer Indications

(inches of water)

Min.

Max.

1.06

0.94

2.06

1.94

3.06

2.94

(3) Repeat (2) above for " 10" on the AIR

9. AIR FLOW Gage. a Performance Check.

FLOW gage. Flowmeter (Al) must indicate between

(1) Connect the test equipment as shown in

32.6 and 37.4.

(4) Release the TEST switch.

(2) Adjust AIR FLOW VALVE to obtain a

(5) Disconnect the test equipment.

reading of "4" on the AIR FLOW gage. Flowmeter (Al)

b. Adjustments. No adjustments can be made.

must indicate between 82.6 and 87.4.

Figure 4. AIR FLOW gage performance check, equipment setup.

the TI does not indicate within the limits specified in

10. Final Procedure. a. Deenergize and disconnect

paragraph 8a or 9a, annotate and affix DA Form 2417

all equipment.

(Unserviceable or Limited Use) tag.

b. In accordance with TM 38-750, annotate and

affix DA Label 80 (US Army Calibration System). When