955
Model Code Page
61. Steering system
8. 11. 1990
6000--8750 612 1
1
2
3
4
5
6
Priority valve (Op. no. 612)
1. Cleaning priority valve OLS 80
A. Disassembling
1. Detach the priority valve which is fitted beside the pressure
filter under the cab floor on the RH side.
2. Open the plug (1) and remove the sealing ring (2).
3. Unscrew the connection (3) and remove the sealing ring (4)
and the spring (5).
4. Push out the valve slide (6) by using e.g. a pencil. Do not
damage contact surfaces on the slide and the housing.
5. Check and clean the parts. Replace the sealing rings with
new ones. Lubricate the parts with o il before fitting.
B. Assembling
1. Push the slide (6) into the housing. Fit a new sealing ring on
the plug (1).
2. Place the spring (5) into the housing. Fit a new sealing ring
and the connection(3). Tighten the connection to 40---60 Nm.
3. Tighten the plug (1) to 40---60 Nm.
4. Fit the priority valve.
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