2-5. Operation of Auxiliary Equipment.
a. Operation of Headset-Microphone. Refer to TM 11 -5965-279-13&P, Operator, Aviation Intermediate Maintenance
Manual, Including Repair Parts and Special Tools List for Headset-Microphone MK-896A/AIC operating instructions.
b. Operation of Night Vision Goggles. Refer to TM 11-5855-238-10, Operator's Manual for Night Vision Goggles,
AN/PVS-5 and AN/PVS-5A Operating Instructions and TM 11-5855-263-10, Operator's Manual Aviator's Night Vision
Imaging System, AN/AVS-6(V) 1 and AN/AVS-6(V) 2.
c. Operation of Helmet-Directed Fire Control Sub/System. Refer to TM 9-1270-212-14&P, Operator, Organizational,
Direct Support and General Support Maintenance Manual (Including Repair Parts and Special Tools List and Depot
Maintenance Repair Parts and Special Tools) for Fire Control Sub/System, XM-128 and XM-136 operating instructions.
d. Operation of MBU 12/P Oxygen Mask. Refer to TM 55-1660-247-12/T.O. 15X5-3-6-1.
e. Operation of Thermo Plastic Liner (TPL) Suspension Assembly.
The TPL suspension assembly replaces the current energy absorbing liner and the strap type suspension assembly and
The TPL assembly consists of an energy absorbing Liner, TPL layer assembly and a cloth TPL cover. When soiled the
TPL cover can be removed and washed in warm soapy water and rinsed with clear warm water and air dried.