Changing The Oil Pump Pressure - Wolf COB-2 Operation Instructions Manual

Commissioning
6.7.4

Changing the oil pump pressure

NOTE
Incorrect pump pressure!
Damage to oil pump
► Make sure that the pump pressure in stage 2 is higher than the pressure in stage 1.
► Remove the casing.
Fig. 6.5 Pivoting the control unit downwards
► Pivot the control unit downwards.
Fig. 6.6 Oil pump components
Pressure regulating screw, stage 1
q
Pressure regulating screw, stage 2
w
► Insert the oil pressure gauge into the oil pump's pressure gauge test port (4).
► Enable emissions test mode
Stage 1:
► Compare value with
► Press the emissions test key.
Stage 2:
► Compare value with
HG
47
49
Table 6.2 Pump pressure
Values are outside of the values of
► adjust pressure regulating screw, stage 2 (2) or stage 1 (1).
– Tool: 4 mm Allen key (Danfoss) or AF 8 open-ended spanner (Suntec)
– Rotate to the right to increase the pump pressure
– Rotate to the left to decrease the pump pressure
3066501_201910
Danfoss
Table 6.2 Pump pressure.
Table 6.2 Pump pressure.
Casing open COB-2-15
Stage 1 5.0 bar
Stage 2 13.5 bar
Table 6.2 Pump
q
w
e
r
Suntec
Vacuum sensor connection
e
Oil pressure sensor connection
r
COB-2-20 COB-2-29
8.5 bar
17.0 bar
pressure:
COB-2-40
9.8 bar 14 bar
24.0 bar 25 bar
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