TM 55-1930-209-14&P-21
f. Remove nuts from pillow block bolts, attach lifting device to winch drum assembly and apply light tension.
g. Tap pillow blocks with a soft hammer and remove one pillow block bolt at a time.
h. Carefully remove two remaining pillow block bolts.
i. Remove drum assembly to a suitable work area.
5-22 Drum and drum shaft installation
a. Install drum assembly in reverse of removal sequence.
b. Torque pillow block bolts to 820-825 lb ft (lubricated).
c. Use a high pressure oil or grease lube on pillow block bolts and drum gear spline prior to assembly.
d. Reinstall brake bands and adjust as necessary.
e. Reinstall air lines, gear guard and chain case.
f. Service chain case.
5-23 Winch head shaft removal
a. Remove winch head gear guard from winch gear guard and frame.
b. Remove pillow block bolts from winch head pillow blocks.
c. Remove winch head shaft.
5-24 Winch head shaft installation
a. Place winch head shaft on frame.
b. Align and install pillow block bolts.
c. Torque pillow block bolts to standard values as listed in Table 1-3.
d. Lubricate bolts with a high pressure lube and torque to values listed in Table 1-3.
e. Install winch head gear guard.
5-16
