TM 9-1240-285-34&P
D E F L E C T I O N BORESIGHT ADJUSTING MECHANISM ASSEMBLY
TOOLS: Adjustable face spanner wrench, 0.177" to 0.187" pin diameter
Spring wrench (App. C)
4 oz. ball peen hammer
3/32" socket head screw key (Allen wrench or equivalent)
SUPPLIES:
Aircraft and instrument grease (item 2, App. A)
Sealing compound (item 6, App. A)
Pneumatic systems grease (item 3, App. A)
PERSONNEL: One
REFERENCES: JPG 41 C for:
Lubricating
Putting on sealing compound
EQUIPMENT CONDITION: Telescope mount on work bench
I
FRAME 1
Step
Procedure
1.
Put aircraft and instrument grease on thick flat washer ( 1 ) (JPG). Install washer ( 1 ) in
housing (2).
2.
Put aircraft and instrument grease on bearing (3) (JPG). Place bearing (3) against
washer (1).
Put pneumatic systems grease on packing (4) and special screw (5) (JPG). Place
3.
packing (4) on special screw (5).
4.
Install special screw (5) in housing (2),
5.
Put aircraft and instrument grease on bearing (6) (JPG). Install bearing (6) on special
screw (5).
Put aircraft and instrument grease on flat washer (7) (JPG). Place washer (7) against
6.
bearing (6).
Put pneumatic systems grease on packing (8) and ring (9) (JPG). Install packing (8) on
7.
ring (9).
NOTE
Washers ( 1 ) and (7) and bearings (3) and (6) must be
centered in housing (2) to allow ring ( 9 ) to screw in.
Packing (8) must be inside housing (2) when ring (9) is
tight.
8.
Using spanner wrench, screw ring (9) into housing (2) until ring (9) is tight.
Vol II
