Manual Suspension Valve - Test
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| Illustration 1 | g00617568 |
Location of the manual shutoff valves | |
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| Illustration 2 | g00569707 |
The manual shutoff valves are located behind the cab under the access panel. (1) Manual drain valve (2) Manual shutoff valve | |
- Stop the machine on a hard level surface. Move the transmission control to the neutral position. Disengage the parking brake and block the trailer wheels.
- Stop the engine and install the steering frame locks.
- Make sure that manual drain valve (1) is closed. Make sure that manual shutoff valve (2) is closed.
- Open shutoff valve (2) and check if the suspension lowers. If the suspension lowers, drain valve (1) is leaking. Replace drain valve (1) .
- Close drain valve (1). Close shutoff valve (2) .
- Open drain valve (1) and check if the suspension lowers. If the suspension lowers, shutoff valve (2) is leaking. Replace shutoff valve (2) .
- Raise the suspension so that the ride height is within the specification. See Testing and Adjusting, "Suspension Height (Front) - Adjust".
Note: If a shutoff valve will be replaced, lower the suspension. See Testing and Adjusting, "Suspension Height (Front) - Adjust".
- Engage the parking brake. Remove the steering frame locks and remove the wheel blocks.
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