SECTION 8 – RECHARGE, INSPECTION, AND MAINTENANCE
PAGE 8-6 REV. 0 2014-APR-30
MAINTENANCE (Continued)
Five-Year PAD Replacement
1. The PAD (Protracting Actuation Device) must be replaced
after being in-service for five years.
a. The in-service date must be recorded in installation and
maintenance records and written on the PAD label with
permanent marker at the time of installation. See Figure
8-10.
b. The PAD has a 10-year shelf life when stored in an
environmentally stable location. The 5-year in-service
life may not extend beyond the 10-year shelf life. The
month and year of manufacture is printed on the label,
see Figure 8-11.
c. For proper disposal, the PAD must be actuated before
discarding. Actuate the PAD in a safe manner consis-
tent with site safety policies.
WRITE INSTALL DATE
ON LABEL
MAKE SURE
MANUFACTURING
DATE IS READABLE
FIGURE 8-10
WRITE DATE ON PAD
009169
MONTH AND YEAR
OF MANUFACTURE
ON LABEL
FIGURE 8-11
PAD MANUFACTURING DATE
009247
CAUTION
!
When handling the PAD, always point actuating end away
from yourself and others. On electrical initiation, PAD oper-
ates very quickly and a small brass disk forcefully separates
from actuating end. Physical injury may occur from contact
with the actuating pin and/or the detaching disk.
2. Write installation date on new PAD(s). DO NOT cover
manufacturing date on label. See Figure 8-10. Do not
install PAD(s) until testing is complete.
3. Follow instructions in Section 5 – Installation, page 5-9 and
5-10, to complete re-installation of the Electric-Pneumatic
Actuator.
4. Place in service by completing Table 7 – Placing
CHECKFIRE 110 Control Module in Service, pages 6-13 –
6-15 (Section 6 – Test and Place in Service).
5. Record date of PAD replacement in a permanent record
file. Notify operating personnel the system is back in
service.
CHECKFIRE 110
Detection and Actuation System
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