DRESSTA TD-25M EXTRA, Service Manual

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SECTION 7E
STEERING DRIVE
Page 38
TD-25M EXTRA DRESSTA
STEERING MANIFOLD
17. INSPECTION AND REPAIR
1. It is recommended that new O-ring be installed whenever the steering manifold is
disassembled for service.
2. Wash all parts thoroughly in a suitable solvent. Dry thoroughly with compressed air.
3. Inspect machined surfaces of the manifold and spool for scoring, damage or excessive wear.
4. Inspect the condition of the return spring. If damaged or if it does not fall within the
specifications shown in Paragraph 3, SPECIFICATIONS, it must be replaced.
5. The rear main frame cover mounting surfaces must be cleaned with proper solvent and
inspected for scratches, irregularities and flatness. Maximum out of flat between any two
consecutive mounting holes to be 0.25 [mm]. If the cover does not meet this requirement, the
cover should be replaced.
18. REASSEMBLY (Refer to Fig. 7E.37)
1. Insert spring (2) into the end of spool (3).
2. Slide spool (3) into the housing (1), spring end first.
3. Assemble new O-ring (4) onto plug (5). Secure into housing (1).
19. INSTALLATION
1. Temporarily secure the steering manifold to the manifold bracket located on the top left of
the steering drive. Reconnect the hoses to the junction manifold and then free the manifold
from the bracket.
2. Install three studs (1, Fig. 7E.36) to the manifold.
NOTE: The manifold bracket is only used to correctly position and hold the manifold in place
during hose installation.
3. Perform Steps 13 to 19 as described in Paragraph 8, INSTALLATION in this SECTION.
4. Install the steering valve as described in Paragraph 13, INSTALLATION in this SECTION.