Chapter 5. Maintenance
50 | ADTS 405 R/F Mk2 Instruction Manual-English © 2017 General Electric Company – All Rights Reserved.
5.3 Maintenance Tasks
a. Visually inspect the unit for obvious signs of damage and check that all the equipment
is present; record any deficiencies.
b. Visually inspect the pneumatic output connectors for damage.
i. Inspect the small o-ring on each pneumatic output connector for cuts and any
signs of wear; if necessary, replace as detailed in Section 5.4, “Routine
Maintenance,” on page 51.
ii. Visually inspect pneumatic hoses, electrical cables for cuts, splits and damage;
replace as necessary.
c. Before use, power-up the unit as detailed in Section 3.2.2, “Power-up,” on page 16.
i. Check the date of the last calibration and, if necessary, refer to task E.
ii. Record any error messages and refer to Section 6.2, “Error Messages,” on
page 57.
d. Daily and before use, carry out the Standard Serviceability Test detailed in Section 6.4,
“Standard Serviceability Test,” on page 58.
e. Normal calibration period is 12 months. When calibration is due, the unit should be
withdrawn from service and returned to depot or calibration facility.
1. The date of calibration is stored in the unit and displayed in the power-up
sequence and on a label on the front panel.
2. Do not use a unit with out-of-date calibration.
3. Engineering authority may change the periodicity of calibration depending on
usage and the operating environment.
f. As detailed in fault finding or when detailed after inspection replace the listed items
in 2-1 “Packaging”.
g. Clean the unit every week.
i. Clean the front panel with a damp lint-free cloth (item 1, Table 5-2) and mild
liquid detergent (item 3, Table 5-2).
ii. Remove any stubborn dirt using Isopropyl alcohol (item 2, Table 5-2) and allow
to dry.
iii. Clean all pneumatic connectors with a soft brush (item 4, Table 5-2).
Table 5-3: Tool and Test Equipment Requirements
(1) (2) (3)
Ref Code Nomenclature
Example Manufacturer’s part
number
1 Multimeter, Digital Fluke 87V
2 Insulation Tester, 500 V Fluke 1507
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