TM 5-3805-294-10
OPERATOR MAINTENANCE
OPERATING THE HYDRAULIC THUMB
INITIAL SETUP:
Not Applicable
GENERAL HYDRAULIC THUMB INFORMATION
The hydraulic thumb was designed to be used for the following:
1. Clamping and lifting.
2. Medium duty scrap handling.
3. Demolition of wood and brick structures.
4. Medium duty land clearing/grubbing.
5. Bulky loose materials.
6. Logging.
The hydraulic thumb was not designed and should not be used for the following:
1. Ripping up concrete or asphalt.
2. Quarry applications.
3. Heavy scrap handling.
4. Heavy land clearing.
5. Heavy grubbing.
6. Breaking ledge rock.
CLAMPING WITH THE BUCKET
1.
Position hydraulic thumb (Figure 1, Item 1) near the object to be picked up.
1
2
HYEX01175
Figure 1.
Clamping With Bucket.
2.
Curl the bucket (Figure 1, Item 2) until it begins to force the object to the hydraulic thumb (Figure 1, Item 1).