TM 9-4120-371-14
a. Removal
(1) Using screwdriver, remove four screws, lock washers, and flat washers from lower flange.
(2) Using screwdriver, remove four flat washers and screws from upper flange.
(3) Remove guard.
b. Inspection. Check that guard is not bent, cracked, or otherwise damaged. If damaged, refer repair to
direct support maintenance.
(1) Check that screen is not been punctured, cracked, or otherwise damaged.
(2) If damaged, refer repair to direct support maintenance.
c. Installation
(1) Aline mounting holes with casing fasteners.
(2) Using screwdriver, secure guard to casing with four screws and flat washers in top flange and four
screws, lock washers, and flat washers in bottom flange.