Changing The Piston With Piston Rod - ABB NAL Series Mounting And Operation Manual

20.5 Changing the piston with piston rod. Fig. 78
NB! Remove spring mechanism before starting. If a mechanism
is installed.
1. Close the switch-disconnector.
2. Disconnect the lower part of draw bar from the main shaft.
3. Disconnect the piston rod from the operating shaft and
piston can be taken out.
4. New piston is fitted the same way.
NB! Piston and cylinder MUST NOT be greased or
lubricated.
5. Connect the drawbar to the eccentric bolt on the main shaft.
21.0 Liabilities
The liability of ABB with respect to any and all claims arising out of
the performance or non-performance of obligations connected
with NAL New Design 2008 or NAL/VR shall not exceed in the
aggregate the base delivered equipment price and shall in no
event include damages for loss of profit, loss of revenues, loss of
use, loss of production, costs of capital, costs of substitute equip-
ment, facilities or services, downtime costs, delays and claims of
customers of purchaser or costs connected with interruption of
operation, loss of anticipated savings or for any special indirect or
consequential damage or loss of any nature whatsoever.
This limitation of liability provisions mentioned above shall prevail
over any conflicting or inconsistent provisions contained in any of
the documents connected with NAL New Design 2008 or NAL/
VR, except to the extent such conflicting or inconsistent
provisions further restrict the Supplier's liability.
Fig. 79 Tightening torque for screws NAL/VR 36-40,5
NAL/NALF/VR – Mounting and operation manual 29