Emhart Teknologies - 50 Shelton Technology Center, Shelton CT 06484 - Tel. (203) 924-9341 - Fax (800) 225-5614 Page 21
Recharging Hydraulics
•
If the stroke gets too short and the tool is unable to properly set an insert the Hydraulic Oil may
need to be recharged.
Note:
If the stroke is still inadequate after recharging, the Hydraulic Seals may need to be
replaced. Contact your local distributor for tool repair.
Recharging Procedure
1. Disconnect the air supply
2. Remove Air Tube from the fitting in the Chamber
3. Remove the four (4) truss head machine screws attaching the Chamber to the Handle Lower
4. Turn the tool upside down and slowly remove the Chamber from the tool
5. Remove the Air Piston Assembly and the Tube
Figure 15:
Removing the Chamber and Air Piston Assembly
6. Dispose of the old hydraulic oil in a proper waste oil container
7. Pour the new hydraulic oil into the bore of the handle until the oil is level with the Back-up Ring
Note:
Use only Emhart approved Hydraulic Oils – See Table 3, “
Specified Hydraulic Oils
”
Figure 16:
Re-filling Hydraulic Oil
8. Replace the Air Piston Assembly and push it into the Handle slowly, 5 times, and then remove it
9. Check to see if the oil level has fallen or if there are air bubbles present in the oil
10. If the oil level has dropped or air bubbles are present, repeat steps 7 thru 9
Chamber
Air Piston Assembly
Tube
Chamber
Handle Lower
Handle Lower
Truss Head Screw (X 4)
Handle
Oil
Back-up Ring
Penta Seal
Handle
