TM 9-2350-247-20-3
ADJUST DRUM SAFETY BRAKE (M548A1) Continued
0409 00
3.
Remove six screws (7), washers (8), cover (9), and gasket (10) from automatic brake case (11).
CAUTION
Engaging PTO to transmission while winch drum clutch is engaged with engine running will
rotate the winch drum. Damage to the wire rope, winch components, or carrier will result.
Ensure winch drum clutch is disengaged.
4.
With brake mechanism at room temperature, adjust screw (1) so that brake drum (2) just begins to rotate clockwise when
a torque of 180-204 lb-in (20-23 Nm) is applied to screw (3).
NOTE
If brake drum will not rotate with applied torque of 180-204 lb-in (20-23 Nm), do Steps 5 - 7. If
brake drum rotates, go to Step 8.
5.
Loosen screw (1) to maximum without disengaging from band assembly (4).
0409 00-2