TM 5-3895-379-23-2
0264
ECCENTRIC ASSEMBLY
WARNING
Use caution when handling heavy parts. Provide adequate support and use assistance during
procedure. Ensure that any lifting device used is in good condition and of suitable load
capacity. Keep clear of heavy parts supported only by lifting device. Failure to follow this
warning may cause injury or death.
NOTE
The disassembly and assembly procedure is the same for front drum assembly and rear
drum assembly.
Drain lubricant from vibratory bearing lube reservoir.
Weight of drum assembly is approximately 4,500 lb (2,041 kg). Weight of plate and
support as a unit is 310 lb (141 kg). Weight of support is 75 lb (34 kg). Weight of eccentric
assembly is 460 lb (209 kg). Weight of each housing is approximately 135 lb (61 kg).
1.
Install pin (Figure 7, Item 17) and drive key (Figure 7, Item 16) to shaft (Figure 7, Item 11).
2.
Install oil ring (Figure 7, Item 14), ring (Figure 7, Item 15), and sleeve (Figure 7, Item 12) to shaft
(Figure 7, Item 11).
3.
Install spring (Figure 7, Item 10) to shaft (Figure 7, Item 13).
4.
Install, as a unit, spur (Figure 7, Item 9), spring (Figure 7, Item 10), shaft (Figure 7, Item 13), drive key
(Figure 7, Item 16), and pin (Figure 7, Item 17) to shaft (Figure 7, Item 11).
5.
Install thrust block (Figure 7, Item 8) to shaft (Figure 7, Item 11).
6.
Install counter weight (Figure 7, Item 4) to shaft (Figure 7, Item 11). Install six bolts (Figure 7, Item 6) and
washers (Figure 7, Item 7) that fasten thrust block (Figure 7, Item 8) to shaft (Figure 7, Item 11).
NOTE
Notice alignment marks on weight assembly components for assembly.
7.
Install weight (Figure 7, Item 5) to counter weight (Figure 7, Item 4).
8.
Install weight assembly (Figure 7, Item 1) and install four bolts (Figure 7, Item 2), eight nuts
(Figure 7, Item 18), four tabs (Figure 7, Item 19), and shaft (Figure 7, Item 3) to counter weight
(Figure 7, Item 4).
0264-12
03/15/2011Rel(1.8)root(maintwp)wpno(M00202)
