17
3
Pressure relief stage OI-AL-SR Fig. 4
Legend of Figures 3 and 4
P1
Inlet
(Oil mainline to pump unit)
P2
Outlet
(Oil pressure line to lube point)
1
Metering device body
2
Supply piston
3
Metering piston
4
Metering screw
5
Metering chamber
6
Provisioning chamber
7
Indicator pin
(after manual activation and
the following next stroke the
indicator pin remains extracted
- no automatic reset)
8
Check valve
Lubrication stage OI-AL-SR Fig. 3
1
2
7
3
4
5
6
8
1
7
4
3
5
8
6
2
EN
3. Overview/ Functional Description