TM 9-1240-285-34&P
F A U L T ISOLATION PROCEDURES
SCOPE
This chapter gives step-by-step procedures to troubleshoot the faults found during checkout. After you
replace the part, do the checkout procedure in Chapter 2 again. This is to make sure the new part has
fixed the problem.
DEFLECTION LOCKING MECHANISM DOES NOT HOLD DEFLECTION
BORESIGHT ADJUSTING MECHANISM (SHEET 1 OF 3)
TOOLS: 1/4" and 3/8" flat tip screwdriver
7/ 16" open end wrench
PERSONNEL: One
EQUIPMENT CONDITION: Telescope mount on work bench
Vol I
