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BOOM CYLINDER REPLACEMENT
Figure 3. Boom Cylinder Upper Pin Removal.

Maintenance Manual For Hydraulic Excavator Type 1 With Hydraulic Thumb And Quick Latch -4 Page Navigation
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TM 5-3805-294-23-4
0647
REMOVAL - Continued
HYEX03466
Figure 1. Position Arm and Boom.
3.
Shut machine down (TM 5-3805-294-10).
4.
Loosen plug E (Figure 2, Item 1) no more than two full turns on boom load holding valve (Figure 2, Item 2) until
pressure is relieved from boom cylinder (Figure 2, Item 3).
3
1
HYEX03561
2
Figure 2. Relieve Pressure.
5.
Tighten plug E (Figure 2, Item 1) on boom load holding valve (Figure 2, Item 2).
6.
Attach suitable lifting device (Figure 3, Item 4) to boom cylinder (Figure 3, Item 3).
0647-2


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