mecalac 12 MXT, Handbook

Page: 78 / 88

12MXT 28000
76 M1
14.4.6 Adjusting the equipment pump (L.R.
valve)
1-
Take the plug out of the pump (1 fig. 1) and the
breather off the hydraulic tank.
2-
Fit the male connector at the end of the hose and
immerse the other end in the tank.
3-
Screw in the connector in place of the pump’s plug.
4-
Accelerate the engine to maximum speed.
5-
Measure the pressure (1 fig. 2) using the pressure
gauge.
6-
Undo the lock nut and turn the L.R. valve’s screw
(1 fig. 3) clockwise to increase the pressure.
7-
Remove the connector with the hose and refit the plug
on the pump (1 fig. 1).
17 flat spanner
3 male hexagonal spanner
3/16” male hexagonal spanner
Connector and hose (TOP-TEST MX)
Manometer 0 - 60 bar
Fig. 2 SX14 valve block
Fig. 3 Equipment pump
1
1
1
Fig. 1 Equipment pump
Operation
Pressure
(bar)
Measurement
(ref. no.)
Adjustment
(ref. no.)
Valve L.R.pressure
22 (+1 -1)
1 fig. 2 1 fig. 3