47
6.6 Installing the pressure limiting
valve
Each pump element must be secured with a pressure
limiting valve that is suitable for the projected maximum
approved operating pressure of the centralized
lubrication system.
NOTE
For the 2L XNFL reservoir versions and for all 4L and
8L reservoirs, the adapter 226
-14105-5 (see "Spare
parts" section) must be screwed in between the pump
element and the pressure limiting valve and secured
with a medium-strength threadlocker.
Proceed as follows for installation:
1. Remove the plug screw (Fig. 25/2) from the pump
element (Fig. 25/1)
2. Screw the pressure limiting valve (Fig. 26/2) into the
pump element (Fig. 26/1)
3. Repeat the procedure for each pump element
Fig.
Remove the plug screw
Fig.
Installing the pressure limiting valve
Tightening torques
• Pressure limiting valve in pump element:
6 Nm - 0.5 Nm [4.43 ft.lb. ± 0.07 ft.lb.]
• Adapter in the pump element:
8 Nm - 0.5 Nm [5.9 ft.lb. ± 0.07 ft.lb.]
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