TM 55-4920-414-13&P
CHAPTER 4
MAINTENANCE INSTRUCTIONS
Section I. PREVENTIVE MAINTENANCE CHECKS AND SERVICES
4-1. General.
not operate, troubleshoot with proper equipment. Report any
deficiencies using the proper forms, see DA PAM 738-751.
Preventive maintenance checks and services consist of a vis-
ual inspection to be done at each operation of the test set, oper-
4-2. Inspections.
ational check, any troubleshooting required, and the repair
required to correct any malfunctions. If your equipment does
Do inspections as shown in Table 4-1.
Table 4-1. Operator/Aviation Unit Maintenance Preventive Maintenance Checks and Services.
NOTE: Within designated interval, these checks are to be done in the order listed.
B – Before
D–During
A – After
4-1
