mecalac 12 MXT, Handbook

Page: 71 / 88

28000 12MXT
M1 69
14.3.2 Adjusting the
∆∆
P of the CROSS OVER
valve
Right side:
1-
Place the machine equipment in a blocked position
and turn the direction to the right, engine in maximum
regime.
2-
Measure the difference in pressure between (1 fig. 1)
and (2 fig. 1) using the two manometers.
3-
Loosen the lock nut and turn the screw (1 fig. 2) of the
CROSS OVER valve clockwise in order to increase
the
∆∆
P
of the right side.
Left side:
4-
Place the machine equipment in a blocked position
and turn the direction to the left, engine in maximum
regime.
5-
Measure the difference in pressure between (1 fig. 1)
and (2 fig. 1) using the two manometers.
6-
Loosen the lock nut and turn the screw (2 fig. 2) of the
CROSS OVER valve clockwise in order to increase
the
∆∆
P
of the left side.
10 flat spanner
2 manometers, 0 - 600 bar
Operation
Pressure
(bar)
Measurement
(ref. no.)
Adjustment
(ref. no.)
∆∆
P
direction
225 (+5 -0)
1 fig. 1 and 2 fig. 1
1 fig. 1 and 2 fig. 1 1 fig. 2
2 fig. 2
1
2
Fig. 1 SX14 valve block
1
2
Fig. 2 CROSS OVER unit