TM9-2330-207-14
4-61. RIGHT LANDING LEG GEAR BOX (THOMAS)
NOTE
The key numbers shown below in parentheses refer to figure 4-59.
a. Disassembly.
(1) Remove operating crank and disconnect connecting shaft.
(2) Remove snap ring (23) on operating shaft assembly (29).
(3) Remove six 5/16-18NC-2 X 7/8 capscrews (24) and 5/16 Iockwashers (25) which secure gear box
cover (17).
(4) Hold operating shaft sleeve (21) and remove gear box cover (17).
(5) Withdraw screw drive shaft (6) and attached parts, using care that ball bearing assemblies (3 and
16) do not fall out.
(6) To disassemble gear box cover and operating shaft sleeve, withdraw operating shaft sleeve from
inner side of cover; push out sleeve.
(7) Remove snap ring (35) on gear end of operating shaft (29) and remove spur gears (33 and 34)
and key (32). Remove needle bearings (18 and 19) and oil seal (20) from gear box cover (17)
with pulIer.
(8) To disassemble screw drive shaft and attached parts, remove bearing sleeves (4 and 15) and gears
(14, 12 and 9) and spacers (13 and 11). Spur gears (14 and 12) are secured with woodruff keys
(7 and 8). Bevel gear (9) is retained by tapered groove pin (10). Drive out pin.
19. Bearing, needle
10.
Pin, Taper groove
Housing, gear box
28. Snap ring
11.
Spacer
20. Oil seal
Shim, bearing adjusting
Operating Shaft Assy
Sleeve, operating
12.
Gear, spur
Ball Bearing Assy
Shaft
22. Washer
13.
Spacer
Sleeve, bearing
31. Spring
23. Snap ring
14.
Gear, spur
Snap ring
32. Key, square
24. Screw
15.
Sleeve, bearing
Shaft, screw drive
33. Gear, spur
25. Lockwasher
16.
Ball Bearing Assy
Woodruff key
34. Gear, spur
26. Fitting, lube
17.
Cover, gear box
Woodruff key
35. Snap ring
27. Washer
18.
Bearing, needle
Gear, bevel
