TM 5-3740-214-14
Table 5-1. Direct and General Support Preventive Maintenance Checks and Services (Continued)
M = Monthly
A/R = As Required
Q = Quarterly
H = Hourly
INTERVAL
ITEM
ITEM TO BE INSPECTED
NO. M A/R
Q
H
PROCEDURE
ELECTRICAL PARTS (Continued)
Figure 5-8. Spark Plug Removal
Figure 5-9. Spark Plug Defects
(d)
Build up of deposits between insulator and plug shell.
(e)
Badly burned electrodes.
5-9
