"2033ES / 2633ES" Service & Parts Manual - ANSI Specifications October 2008
Page 1-3
System Flushing Procedure
1. With platform fully down, drain hydraulic fluid from hydraulic reservoir into a clean, empty
container.
2. When the hydraulic reservoir is empty, remove suction strainer and hoses.
3. Remove return line on the hydraulic reservoir.
4. Remove the bypass filter and hose.
5. Flush the hoses with clean hydraulic fluid.
6. Discard old bypass filter element and replace.
7. Flush out the tank with hoses removed from the hydraulic reservoir.
8. Reinstall all hoses in the previous steps.
9. Fill hydraulic reservoir with filtered, fresh hydraulic fluid (refer to Lubrication Chart).
10. Loosen output hose fittings at pump to flood with hydraulic fluid. Tighten fittings.
11. Briefly operate all functions. Two or three lift cycles may be necessary to purge all air from
lift cylinder(s).
12. When the above procedures have been completed, fill hydraulic reservoir to full mark on
sight gauge.
13. Check all leaks and correct as necessary. Machine is now ready to be placed back into
operation.
NOTE: Avoid mixing petroleum and synthetic base fluids. It is not advisable to mix fluids
of different brands or types, except as recommended.
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