SECTION 5 MAINTENANCE INSTRUCTIONS
5-30 DD-29/31HF/38HF Vibratory Asphalt Compactors
Figure 5-37
2. Clean the filter head using a clean, lint-free rag. Be sure that all of the old
gasket material is removed.
3. Fill the new hydraulic filter with fresh, clean, hydraulic oil.
Refer to Section 8, FUEL AND LUBRICANT SPECIFICATIONS for oil details.
4. Apply a film of hydraulic oil to the gasket of the new filter and install filter onto
the filter head until gasket makes contact with the filter head. Tighten an
additional one-half turn.
5. Check the hydraulic tank level. If low, fill the hydraulic tank with fresh, clean,
hydraulic oil filtered through a 10 micron filter. Refer to Section 8, FUEL AND
LUBRICANT SPECIFICATIONS for oil details.
6. Start the machine and check for leaks.
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