SECTION 5 MAINTENANCE INSTRUCTIONS
5-4 DD-29/31HF/38HF Vibratory Asphalt Compactors
Check water tank level Fill Page 5-17
Check parking brake Page 5-18
Clean water strainer Page 5-19
WEEKLY (OR EVERY 50 HOURS)
Check air cleaner connections and ducts for leaks Refer to Section 9 Page 5-5
Check battery terminals and cables Clean and grease Page 5-20
Grease swivel (articulation) pin bearings Refer to Section 8 Page 5-21
Grease steering cylinder pin bearings Refer to Section 8 Page 5-21
Check hydraulic oil level Level to gauge Page 5-22
Check air cleaner system integrity Page 5-23
Check eccentric oil level Refer to Section 8 Page 5-23
Check engine coolant level Page 5-24
SEMI-ANNUALLY (OR EVERY 250 HOURS)
Change engine oil and filter Refer to Section 8 Page 5-25
Change fuel filter and in-line filter Refer to Section 8 Page 5-26
Purge lube carrier Page 5-28
Change hydraulic oil filter Refer to Section 8 Page 5-29
ANNUALLY (OR EVERY 1000 HOURS)
Drain hydraulic oil, clean hydraulic oil tank Refer to Section 8 Page 5-31
Drain and flush water tank and spray bars Page 5-33
Change eccentric lube Refer to section 8 Page 5-34
Drain flush radiator and replace coolant Refer to Section 8 Page 5-35
Change air filter elements Page 5-38
Clean fuel tank Page 5-40
Function Specification Page
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