TM 1-1730-227-13&P
STANDARD AIRCRAFT MAINTENANCE TRAILER
PART NO. 4920-EG-081 NSN 1730-01-086-1653
BEARINGS AND GREASE FITTINGS
INITIAL SETUP:
References
Tools and Special Tools
Tool Kit, Aircraft Maintenance, (WP 0036 00, Item 2)
WP 0020 00, Tie Rod Assembly
Equipment Condition
Personnel Required
Tongue Assembly removed (WP 0019 00)
MOS 15H
Tow Bar Assembly removed. (WP 0018 00)
INSPECTION OF INSTALLED ITEMS
Figure 1.
Bearings and Fittings.
1.
Check bearings (Figure 1, Item 1, 2, and 4 ) and grease fittings (Figure 1, Item 3, 6, and 8 ) for worn or
damaged parts.
2.
Check bearings (Figure 1, Item 1, 2, and 4 ) for evidence of binding or excessive clearance.
REMOVAL
1.
Drive three bearings (Figure 1, Item 1, 2 and 4) out of the tongue assembly (Figure 1, Item 5). Discard
bearings.
2.
Unthread damaged grease fitting (Figure 1, Item 3, 6 and 8) from tongue assembly (Figure 1, Item 5). Discard
fitting.
3.
Bearings in the tie rod ends cannot be removed. Replace tie rod end refer to WP 0020 00, Tie Rod Assembly.
4.
Unthread damaged grease fittings (Figure 1, Item 6 and 8) from tie rod assembly (Figure 1, Item 7). Discard
fittings.
0021 00-1