Technical data
TM 9-1005-319-23&P 0037
0037-4
LUBRICATION
Lubricate rear sight assembly. Apply cleaner, lubricant, and preservative (CLP) (WP 0045, item 9) to helical
springs and ball bearings and threaded portion of index screw before installation. Lubricate helical springs
and ball bearings through their respective drain holes.
END OF TASK
ASSEMBLY
1 v s 2 2 3
6
1 4
2
1
1 1
1 0
9
Figure 3. Assembly and Installation of Elevation Knob Assembly.
1. Assemble knob (11), elevating mechanism (1), and new index screw (2) using 1/16 in. key wrench. Do
not overtighten index screw as scale will require adjustment.
2. Install ball bearing (10) and helical spring (9) using needle-nose pliers or tweezers.
3. Depress ball bearing (10) with a punch inserted through access hole, and slide elevation knob assembly
(14) into gun carrying handle (6) from the side. Center elevation knob assembly.










