DRESSTA TD-25M EXTRA, Service Manual

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TRANSMISSION
SECTION 7C
Page 83
DRESSTA TD-25M EXTRA
GEAR SHIFTING VALVE
31. INSPECTION AND REPAIR
1. It is recommended that all new O-rings and seal rings be installed upon reassembly of the
valve.
2. Clean all parts in a suitable solvent and blow dry with compressed air. Be sure all oil passages
in the valve bodies and spools are free of obstructions.
3. Inspect parts for excessive wear and replace if necessary.
4. Clean threads with a stiff brush and solvent. Check for damage.
32. REASSEMBLY
1. Apply LOCTITE PIPE SEALANT to the threads of plug (4, Fig. 7C.70) and install it, if removed.
2. Install a new seal kit to the solenoid valve (1 and 2) bodies. Install the solenoid valves bodies
to the valve housing (3). Torque the solenoid valve (1 and 2) bodies to 20.5 22.5 [Nm].
Install the solenoid coils on valve bodies and torque them to 4.3 4.8 [Nm].
33. INSTALLATION
1. Temporarily secure the gear shifting valve (4, Fig. 7C.69) to the valve bracket (5). Reconnect
the pressure supply hose (7) and drain hose (1) to the valve and then install the gear shifting
valve (4) to the bracket (5) with two mounting bolts (6).
2. Reconnect two control hoses (2) to the valve housing.
3. Reconnect two wiring harnesses (3) to the solenoids.
4. Start the engine and operate with drive train control lever. Check for leaks and functioning.
5. Reinstall the rear plate (3, Fig. 7E.1).