3-39
TM 9-1240-401-34&P
c. Assembly
1
2
3
4
5
6
Apply sealing compound to flange of cell (5) where
lens (4) will be seated.
Observe reference mark and install lens (4) in cell
(5).
Install spacer (3) in cell (5).
Observe reference mark and install lens (2) in cell
(5).
Apply sealing compound (spot in three places), to
threads of threaded ring (1). Using 2–9/16 and
2–37/64 inch tubular spanner wrench, install
threaded ring.
Clean excess sealing compound from surfaces of
lenses (2 and 4).
3-24. RETICLE CAGE ASSEMBLY MAINTENANCE INSTRUCTIONS (M118A3)
This task covers:
a. Removal b. Disassembly
c. Repair d. Assembly e. Installation
INITIAL SET-UP
Tools and Special Tools
Lockwashers (2) (Item 76, appx E)
Preformed packing (2) (Item 23, appx E)
Spanner wrench, fabricated (fig. C-6, appx C)
References
Tool Kit, Electronic System, Repair, Field Mainte-
TM 9-254
nance (SC5180-95-CL-B29)
M118A3 elbow telescope removed from howitzer
(TM 9-2350-311-10)
Grease (Item 7, appx B)
Reticle cage and cant corrector subassembly
Lockwashers (2) (Item 61, appx E)
removed from eyepiece and erector lens subas-
Lockwashers (8) (Item 68, appx E)
sembly (ref. para 3-21)