TM 9-1240-401-34&P
2-11. M146 TELESCOPE MOUNT MAINTENANCE INSTRUCTIONS - continued
c. Assembly - continued
Install one stud (34) and two studs (33).
6
7
Apply grease (item 7, appx B) to new preformed
packing (49) and install in elevation slide (21).
Apply grease (item 7, appx B) to new preformed
8
packing (50) and install in threaded ring (35).
9
Install threaded ring (35) in elevation slide (21).
10
Apply grease (item 6, appx B) to machined sur-
faces of elevation slide (21) and mount and install
elevation slide in mount.
11
Slide retainer plate (31) over studs (33 and 34).
12 Install and adjust three new self-locking nuts (30)
so that elevation slide (21) moves freely without
binding. A maximum of 0.002-inch (0.005-mm)
clearance must be maintained on machined sur-
faces between bottom of elevation slide (21) and
elevation bracket (79).
NOTE
Elevation shoulder screw should be temporar-
ily installed prior to installation of knoband
related parts to ensure that elevation slide
moves freely without binding.
Install cover assembly (22) using two new
13
Iockwashers (24) and two cap screws (23).
14
Apply grease (item 6, appx B) to disk (48) and in-
stall on knob (29).
Install elevation dial (47) with numbers inverted on
15
knob (29).
Install spring washer (46) and round nut (45) on
16
knob (29).
Tighten round nut (45) enough that elevation dial
17
(47) fits snug on knob (29).
Install setscrew (44) in round nut (45).
18
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