Manitou 120 AETJ L, Руководство по ремонту

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2
70-5-M.84
Adjusting the compensation / tilt balancing valve (Hydraulic
layout No. 17).
- Switch off the machine and disconnect the electrical circuit.
- Decompress the compensation / tilt control hoses: see the REMO-
VING THE DISTRIBUTOR ELEMENTS section.
- Remove hose 5 (Fig. E) (No. 24 spanner) connected to A5.
- Insert a T connector (M/M/F12S) 7 (Fig. E) between hose 5 and
connection 6.
- Add a straight connector (M/F 16x150-12S) 8 (Fig. E) and then
connect the manometer 9 (Fig. E) to this.
- Switch the machine on.
- Raise the telescope arm 10 (Fig. F) to mid-stroke on the cylinder and
then extend the tilting cylinder 11 (Fig. F) to the maximum extent.
- Instruct the telescope arm to lower and check the pressure displayed
on the manometer during descent: the value must be 180 bars.
- If this is not the case, adjust the tare on the balancing valve 12 (Fig.
F) (No. 24 spanner, No. 17 spanner) to 180 bars.
- Switch off the machine, remove the manometer and then reconnect
hose 5 in its original configuration.
Adjusting the compensation / tilt sequencing valve (Hydraulic
layout No. 18).
- Switch off the machine and disconnect the electrical circuit.
- Decompress the compensation / tilt control hoses: see the REMO-
VING THE DISTRIBUTOR ELEMENTS section.
- Remove hose 13 (Fig. G) (No. 24 spanner) connected to B5.
- Insert a T connector (M/M/F12S) 7 (Fig. E) between hose 13 and
connection 14.
- Add a straight connector (M/F 16x150-12S) 8 (Fig. E) and then
connect the manometer 9 (Fig. E) to this.
- Switch the machine on.
- Raise the telescope arm 10 (Fig. F) to mid-stroke on the cylinder and
then extend the tilting cylinder 11 (Fig. F) to the maximum extent.
- Raise the telescope and adjust the tare on balancing valve 15 (Fig.
F) (No. 13 spanner, No. 4 hex spanner) during ascent to 80 bars.
- Switch off the machine, remove the manometer and then reconnect
hose 13 in its original configuration.
E
F
G
5
7
8
6
9
12
10
11
9
15
8
7
14
13