28000
12MXT
M1
77
Fig. 3 Equipment pump
Fig. 2 SX14 valve block
Fig. 1 Flow meter adaptation kit
(TOP-TEST MX)
1
1
2
1
14.4.7 Adjusting the power regulation
1-
Put the selector switch on “MECALAC 1”, pull the left
manipulator back, push the right manipulator forward
(as far as it will go) to allow the oil to circulate (small
chambers of the dipper ram and intermediate boom
ram).
2-
Accelerate the engine to maximum regime.
3-
Reduce the flow (115 l/min) using the tap on the flow
meter (1 fig. 1).
4-
Measure the pressure (1 fig. 2) using the manometer.
5-
Loosen the lock nut and turn the pressure controller
screw (1 fig. 3) clockwise to increase the pressure.
6-
Reduce the flow (87 l/min) using the tap on the flow
meter (1 fig. 1).
7-
Measure the pressure (1 fig. 2) using the manometer.
8-
Loosen the lock nut and turn the pressure controller
screw (2 fig. 3) clockwise to increase the pressure.
9
- Check that the regime of the engine does not exceed
2,000 rpm.
13 and 27 flat spanners
3 male hexagonal spanner
Inductive sensor
Manometer, 0 - 600 bar
Flow meter adaptation kit
Operation
Pressure
(bar)
Speed
(rpm)
Measurement
(ref. no.)
Adjustment
(ref. no.)
Power regulation
at 115 l/min
220 (+10 -10)
> 2,000
1 fig. 2
1 fig. 3
Power regulation
at 87 l/min
265 (+10 -10)
> 2,000
1 fig. 2
2 fig. 3
MECALAC 1
MECALAC 2
Summary of Contents for 12 MXT
Page 1: ...HANDBOOK OF REPAIR MANUFACTURER MECALAC SAS...
Page 2: ......
Page 48: ...12MXT 28000 46 M1 13 12 10 14 14 11 9 15 16 7 8 6 3 2 4 18 5 17 1...
Page 50: ...12MXT 28000 48 M1 Y3 Y2 Y4 Y3A Y5 Y5A Y1 Y10 Y9 Y100 Y8 Y7...
Page 52: ...12MXT 28000 50 M1 Y18 Y17 Y15 Y20 Y19 Y11 Y13 Y12 Y14 Y22 Y21...
Page 82: ...12MXT 28000 80 M1...
Page 87: ...28000 12MXT M1 85...