TM 5-3810-305-23
0156
INSPECTION
1.
Inspect parts IAW General Maintenance Instructions (WP 0162).
2.
Inspect boom pads. Minimum thickness is 0.31 inches (7.9 mm).
3.
Inspect wear bar. If wear bar is worn more than 0.25 inches (6.4 mm), replace wear bar.
4.
Inspect boom hoist cylinder pin. Minimum O.D. is 2.474 inches (62.84 mm). If O.D. is less than limit,
replace pin.
5.
Inspect boom hoist cylinder pin bushing. Maximum I.D. is 2.543 inches (64.59 mm). If I.D. is greater than limit,
replace bushing.
6.
Inspect relax boom extend cylinder pin. Minimum O.D. is 1.700 inches (43.18 mm). If O.D. is less than limit,
replace pin.
7.
Inspect front boom extend cylinder pin. Minimum O.D. is 1.450 inches (36.83 mm). If O.D. is less than limit,
replace pin.
8.
Inspect boom base pin. Minimum O.D. is 2.738 inches. (69.55 mm). If O.D. is less than limit replace pin.
9.
Inspect boom sheave pins. Minimum O.D. is 1.174 inches. (37.44 mm). If O.D. is less than limit replace pins.
10.
Inspect boom tip sheave bushing. Maximum I.D. is 1.519 inches. (38.58 mm). If I.D. is greater than limit,
replace bushing.
11.
lnspect boom base pin bushing. Maximum I.D. is 2.784 inches. (70.71 mm). If I.D. is greater than limit,
replace bushing.
END OF TASK
ASSEMBLY
1.
Install bracket (Figure 17, Item 1), two washers (Figure 17, Item 3) and cotter pins (Figure 17, Item 2) on top
of boom tip section.
2.
Install tube (Figure 17, Item 8), two spacer washers (Figure 17, Item 7), three sheaves (Figure 17, Item 6),
two boom pins (Figure 17, Item 2), lock nuts (Figure 17, Item 1) and four grease fittings (Figure 17, Item 3) on
boom tip.
3.
Install three cable retaining pins (Figure 17, Item 5) and six hair pin cotters (Figure 17, Item 4) in boom tip.
0156-14
03/15/2011Rel(1.8)root(maintwp)wpno(M00172)