TM 9-1240-216-34
4-5.
NO IMAGE OR DIM IMAGE OR POOR FOCUS IN EITHER EYEPIECE
(SHEET 3 OF 10)
USING MULTIMETER,
CHECK RESISTANCE
BETWEEN CONTACT
RING (1) AND
HOUSING (2) (JPG)
LOOK AT WIRE (3)
FROM ELECTRON
TUBE (4)
INSTALL ELECTRON
TUBE (4) (VOL II,
SEND PERISCOPE TO
D E P O T FOR REPAIR
Para 4-5 (Sheet 3 of 10)
4-18
Vol I
