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Commissioning
3066501_201910
WOLF GmbH | 53
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.
Danfoss
Suntec
Fig. 6.6
Oil pump components
q
Pressure regulating screw, stage 1
w
Pressure regulating screw, stage 2
e
Vacuum sensor connection
r
Oil pressure sensor connection
► 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
Casing open
COB-2-15
COB-2-20
COB-2-29
COB-2-40
47
Stage 1
5.0 bar
8.5 bar
9.8 bar
14 bar
49
Stage 2
13.5 bar
17.0 bar
24.0 bar
25 bar
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