TM 55-1520-240-23-10
13-6
ASSEMBLE HEATER (AVIM)
(Continued)
13-6
32.
Install feeler gage (T63) (48) in spark plug
thimble gage (T62) (47).
NOTE
Make sure point of feeler gage is
inside heater when thimble gage is
installed.
33.
Install thimble gage (T62) (47) in spark plug
thimble (48) of spark plug well (49).
34.
Push feeler gage (T63) (46) into thimble gage
(T62) (47) until gage contacts ground electrode
(6).
13-34