Winches, Cranes, and Power Takeoff (PTO) Maintenance Instructions (Cont)
17-34. TURNTABLE BEARING SCREW TIGHTENING (M977, M985, M984E1) (CONT).
Remove screw (4), washer (5), spacer (6), and lockpin (7), from both ends of pin (8).
Do not drive pin out of erection cylinder. Injury or death could result.
Drive pin (8) in far enough to clear tension cylinder (9).
Move tension cylinder (9) aside and tighten four screws (10) and screw (11) to 370 lb-ft
Align tension cylinder (9) and drive pin (8) back thru cylinder.
Repeat Steps 4 thru 7 for opposite side.
Install lockpin (7) and spacer (6) to both ends of pin (8).
Adhesives, solvents, and sealing compounds can burn easily, can give off harmful
vapors, and are harmful to skin and clothing. To avoid injury or death, keep away
from open fire and use in well-ventilated area. If adhesive, solvent, or sealing
compound gets on skin or clothing, wash immediately with soap and water.
Apply sealing and thread locking compound, and install washer (5) and screw (4) to both ends of
d. Follow-on Maintenance. Return crane to stowed position (TM 9-2320-279-10).
END OF TASK