ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0060 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
OPERATING CONTROL SYSTEM SUB PANEL
3. Remove the 13-slot chassis as follows (see Figure 9):
a. Remove the 13 slot chassis power supply. Refer to 13-Slot Chassis Power Supply
Replacement.
b. Remove PLC Processor Module. Refer to PLC Processor Replacement and Memory
Module Replacement.
c. Remove AC input modules and relay output modules. Refer to AC Input Module
d. Remove analog output modules. Refer to Analog Output Module Replacement.
e. Remove analog input modules. Refer to Analog Input Module Replacement.
f. Remove the four screws from the tabs at the bottom of the 13-slot chassis.
g. Lift up the 13-slot chassis to clear the four screws in the keyhole brackets at the top of
the chassis.
h. Remove 13-slot chassis from the sub panel.
KEYHOLE
13 SLOT CHASSIS WITH
BRACKETS
MODULES AND POWER
SUPPLY INSTALLED
13 SLOT CHASSIS WITH
MODULES AND POWER
SUPPLY REMOVED
TABS AT THE BOTTOM OF
THE 13-SLOT CHASSIS
SUB PANEL
Figure 9. 13-Slot Chassis Replacement.
4. Install the new 13-slot chassis as follows:
a. Position the 13-slot chassis on the sub panel by placing the chassis keyhole brackets
over the four screws at the top of the panel.
b. Slide the chassis down to secure the keyhole brackets with the screws.
c. Reinstall the four screws at the bottom of the 13-slot chassis.
d. Reinstall the 13 slot chassis power supply. Refer to 13-Slot Chassis Power Supply
Replacement.
e. Reinstall the PLC Processor Module. Refer to PLC Processor and Memory Module
Replacement.
0060 00-12
